update

.config/pipewire/client-rt.conf

@@ -0,0 +1,93 @@
+# Real-time Client config file for PipeWire version "0.3.51" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/client-rt.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/client-rt.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Configure properties in the system.
+    #mem.warn-mlock  = false
+    #mem.allow-mlock = true
+    #mem.mlock-all   = false
+    log.level        = 0
+
+    #default.clock.quantum-limit = 8192
+}
+
+context.spa-libs = {
+    #<factory-name regex> = <library-name>
+    #
+    # Used to find spa factory names. It maps an spa factory name
+    # regular expression to a library name that should contain
+    # that factory.
+    #
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    #{ name = <module-name>
+    #    [ args  = { <key> = <value> ... } ]
+    #    [ flags = [ [ ifexists ] [ nofail ] ]
+    #}
+    #
+    # Loads a module with the given parameters.
+    # If ifexists is given, the module is ignored when it is not found.
+    # If nofail is given, module initialization failures are ignored.
+    #
+    # Uses realtime scheduling to boost the audio thread priorities
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+
+    # The native communication protocol.
+    { name = libpipewire-module-protocol-native }
+
+    # Allows creating nodes that run in the context of the
+    # client. Is used by all clients that want to provide
+    # data to PipeWire.
+    { name = libpipewire-module-client-node }
+
+    # Allows creating devices that run in the context of the
+    # client. Is used by the session manager.
+    { name = libpipewire-module-client-device }
+
+    # Makes a factory for wrapping nodes in an adapter with a
+    # converter and resampler.
+    { name = libpipewire-module-adapter }
+
+    # Allows applications to create metadata objects. It creates
+    # a factory for Metadata objects.
+    { name = libpipewire-module-metadata }
+
+    # Provides factories to make session manager objects.
+    { name = libpipewire-module-session-manager }
+]
+
+filter.properties = {
+    #node.latency = 1024/48000
+}
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    #resample.quality      = 4
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = true
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+}

.config/pipewire/client.conf

@@ -0,0 +1,148 @@
+# Client config file for PipeWire version "1.4.2" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/client.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/client.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Configure properties in the system.
+    #mem.warn-mlock  = false
+    #mem.allow-mlock = true
+    #mem.mlock-all   = false
+    log.level        = 0
+
+    #default.clock.quantum-limit = 8192
+}
+
+context.spa-libs = {
+    #<factory-name regex> = <library-name>
+    #
+    # Used to find spa factory names. It maps an spa factory name
+    # regular expression to a library name that should contain
+    # that factory.
+    #
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+    video.convert.* = videoconvert/libspa-videoconvert
+}
+
+context.modules = [
+    #{ name = <module-name>
+    #    ( args  = { <key> = <value> ... } )
+    #    ( flags = [ ( ifexists ) ( nofail ) ] )
+    #    ( condition = [ { <key> = <value> ... } ... ] )
+    #}
+    #
+    # Loads a module with the given parameters.
+    # If ifexists is given, the module is ignored when it is not found.
+    # If nofail is given, module initialization failures are ignored.
+    #
+    # Uses realtime scheduling to boost the audio thread priorities
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 83
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+        condition = [ { module.rt = !false } ]
+    }
+
+    # The native communication protocol.
+    { name = libpipewire-module-protocol-native }
+
+    # Allows creating nodes that run in the context of the
+    # client. Is used by all clients that want to provide
+    # data to PipeWire.
+    { name = libpipewire-module-client-node
+        condition = [ { module.client-node = !false } ]
+    }
+
+    # Allows creating devices that run in the context of the
+    # client. Is used by the session manager.
+    { name = libpipewire-module-client-device
+        condition = [ { module.client-device = !false } ]
+    }
+
+    # Makes a factory for wrapping nodes in an adapter with a
+    # converter and resampler.
+    { name = libpipewire-module-adapter
+        condition = [ { module.adapter = !false } ]
+    }
+
+    # Allows applications to create metadata objects. It creates
+    # a factory for Metadata objects.
+    { name = libpipewire-module-metadata
+        condition = [ { module.metadata = !false } ]
+    }
+
+    # Provides factories to make session manager objects.
+    { name = libpipewire-module-session-manager
+        condition = [ { module.session-manager = !false } ]
+    }
+]
+
+filter.properties = {
+    #node.latency = 1024/48000
+}
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    #resample.quality      = 4
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = true
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+    #dither.noise = 0
+}
+
+stream.rules = [
+    {   matches = [
+            {
+                # all keys must match the value. ! negates. ~ starts regex.
+                #application.name       = "pw-cat"
+                #node.name 		= "~Google Chrome$"
+            }
+        ]
+        actions = {
+            update-props = {
+                #node.latency = 512/48000
+            }
+        }
+    }
+]
+
+alsa.properties = {
+    #alsa.deny = false
+    # ALSA params take a single value, an array [] of values
+    # or a range { min=.. max=... }
+    #alsa.access = [ MMAP_INTERLEAVED MMAP_NONINTERLEAVED RW_INTERLEAVED RW_NONINTERLEAVED ]
+    #alsa.format = [ FLOAT S32 S24 S24_3 S16 U8 ]
+    #alsa.rate = { min=1 max=384000 }		# or [ 44100 48000 .. ]
+    #alsa.channels = { min=1 max=64 }		# or [ 2 4 6 .. ]
+    #alsa.period-bytes = { min=128 max=2097152 } # or [ 128 256 1024 .. ]
+    #alsa.buffer-bytes = { min=256 max=4194304 } # or [ 256 512 4096 .. ]
+
+    #alsa.volume-method = cubic			# linear, cubic
+}
+
+# client specific properties
+alsa.rules = [
+    {   matches = [ { application.process.binary = "resolve" } ]
+        actions = {
+            update-props = {
+		alsa.buffer-bytes = 131072
+            }
+        }
+    }
+]

.config/pipewire/client.conf.bak

@@ -0,0 +1,83 @@
+# Client config file for PipeWire version "0.3.51" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/client.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/client.conf.d/ for local changes.
+#
+context.properties = {
+    ## Configure properties in the system.
+    #mem.warn-mlock  = false
+    #mem.allow-mlock = true
+    #mem.mlock-all   = false
+    log.level        = 0
+
+    #default.clock.quantum-limit = 8192
+}
+
+context.spa-libs = {
+    #<factory-name regex> = <library-name>
+    #
+    # Used to find spa factory names. It maps an spa factory name
+    # regular expression to a library name that should contain
+    # that factory.
+    #
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    #{ name = <module-name>
+    #    [ args  = { <key> = <value> ... } ]
+    #    [ flags = [ [ ifexists ] [ nofail ] ]
+    #}
+    #
+    # Loads a module with the given parameters.
+    # If ifexists is given, the module is ignored when it is not found.
+    # If nofail is given, module initialization failures are ignored.
+    #
+
+    # The native communication protocol.
+    { name = libpipewire-module-protocol-native }
+
+    # Allows creating nodes that run in the context of the
+    # client. Is used by all clients that want to provide
+    # data to PipeWire.
+    { name = libpipewire-module-client-node }
+
+    # Allows creating devices that run in the context of the
+    # client. Is used by the session manager.
+    { name = libpipewire-module-client-device }
+
+    # Makes a factory for wrapping nodes in an adapter with a
+    # converter and resampler.
+    { name = libpipewire-module-adapter }
+
+    # Allows applications to create metadata objects. It creates
+    # a factory for Metadata objects.
+    { name = libpipewire-module-metadata }
+
+    # Provides factories to make session manager objects.
+    { name = libpipewire-module-session-manager }
+]
+
+filter.properties = {
+    #node.latency = 1024/48000
+}
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    #resample.quality      = 4
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = false
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+}

.config/pipewire/filter-chain/demonic.conf

@@ -0,0 +1,100 @@
+# filter-chain example config file for PipeWire version "0.3.51" #
+context.properties = {
+    ## Configure properties in the system.
+    #mem.warn-mlock  = false
+    #mem.allow-mlock = true
+    #mem.mlock-all   = false
+    log.level        = 0
+}
+
+context.spa-libs = {
+    #<factory-name regex> = <library-name>
+    #
+    # Used to find spa factory names. It maps an spa factory name
+    # regular expression to a library name that should contain
+    # that factory.
+    #
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    # Uses realtime scheduling to boost the audio thread priorities
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+
+    # The native communication protocol.
+    { name = libpipewire-module-protocol-native }
+
+    # Allows creating nodes that run in the context of the
+    # client. Is used by all clients that want to provide
+    # data to PipeWire.
+    { name = libpipewire-module-client-node }
+
+    # Makes a factory for wrapping nodes in an adapter with a
+    # converter and resampler.
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            #audio.format    = F32
+            #audio.rate      = 48000
+            audio.channels   = 2
+            audio.position   = [ FL FR ]
+            node.description = "Demonic example"
+            media.name       = "Demonic example"
+            filter.graph = {
+                nodes = [
+                    {
+                        name   = rev
+                        type   = ladspa
+                        plugin = revdelay_1605
+                        label  = revdelay
+                        control = {
+                            "Delay Time (s)" = 2.0
+                        }
+                    }
+                    {
+                        name   = pitch
+                        type   = ladspa
+                        plugin = am_pitchshift_1433
+                        label  = amPitchshift
+                        control = {
+                            "Pitch shift" = 0.6
+                        }
+                    }
+                    {
+                        name   = rev2
+                        type   = ladspa
+                        plugin = g2reverb
+                        label  = G2reverb
+                        control = {
+                            "Reverb tail" = 0.5
+                            "Damping"     = 0.9
+                        }
+                    }
+                ]
+                links = [
+                    { output = "rev:Output"   input = "pitch:Input" }
+                    { output = "pitch:Output" input = "rev2:In L" }
+                ]
+                inputs  = [ "rev:Input" ]
+                outputs = [ "rev2:Out L" ]
+            }
+            capture.props = {
+                node.name        = "effect_input.filter-chain-demonic"
+                #media.class = Audio/Sink
+            }
+            playback.props = {
+                node.name        = "effect_output.filter-chain-demonic"
+                #media.class = Audio/Source
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/duplicate-FL.conf

@@ -0,0 +1,49 @@
+# An example filter chain for duplicating the FL channel
+# to FL and FR.
+#
+# Copy this file into a conf.d/ directory
+#
+context.modules = [
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Remap example"
+            media.name       = "Remap example"
+            filter.graph = {
+                nodes = [
+                    {
+                        name   = copyIL
+                        type   = builtin
+                        label  = copy
+                    }
+                    {
+                        name   = copyOL
+                        type   = builtin
+                        label  = copy
+                    }
+                    {
+                        name   = copyOR
+                        type   = builtin
+                        label  = copy
+                    }
+                ]
+                links = [
+		    # we can only tee from nodes, not inputs so we need
+		    # to copy the inputs and then tee.
+                    { output = "copyIL:Out" input = "copyOL:In" }
+                    { output = "copyIL:Out" input = "copyOR:In" }
+                ]
+                inputs  = [ "copyIL:In" ]
+                outputs = [ "copyOL:Out" "copyOR:Out" ]
+            }
+            capture.props = {
+                node.name        = "remap_input.remap-FL-to-FL-FR"
+                audio.position  = [ FL ]
+                stream.dont-remix = true
+            }
+            playback.props = {
+                node.name        = "remap_output.remap-FL-to-FL-FR"
+                audio.position  = [ FL FR ]
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/sink-dolby-surround.conf

@@ -0,0 +1,66 @@
+# Dolby Surround encoder sink
+#
+# start with pipewire -c filter-chain/sink-dolby-surround.conf
+#
+context.properties = {
+    log.level = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Dolby Surround Sink"
+            media.name       = "Dolby Surround Sink"
+            filter.graph = {
+                nodes = [
+                    {
+                        type  = builtin
+                        name  = mixer
+                        label = mixer
+                        control = { "Gain 1" = 0.5 "Gain 2" = 0.5 }
+                    }
+                    {
+                        type   = ladspa
+                        name   = enc
+                        plugin = surround_encoder_1401
+                        label  = surroundEncoder
+                    }
+                ]
+                links = [
+                    { output = "mixer:Out" input = "enc:S" }
+                ]
+                inputs  = [ "enc:L" "enc:R" "enc:C" null "mixer:In 1" "mixer:In 2" ]
+                outputs = [ "enc:Lt" "enc:Rt" ]
+            }
+            capture.props = {
+                node.name      = "effect_input.dolby_surround"
+                media.class    = Audio/Sink
+                audio.channels = 6
+                audio.position = [ FL FR FC LFE SL SR ]
+            }
+            playback.props = {
+                node.name      = "effect_output.dolby_surround"
+                node.passive   = true
+                audio.channels = 2
+                audio.position = [ FL FR ]
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/sink-eq6.conf

@@ -0,0 +1,90 @@
+# 6 band sink equalizer
+#
+# start with pipewire -c filter-chain/sink-eq6.conf
+#
+context.properties = {
+    log.level = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Equalizer Sink"
+            media.name       = "Equalizer Sink"
+            filter.graph = {
+                nodes = [
+                    {
+                        type  = builtin
+                        name  = eq_band_1
+                        label = bq_lowshelf
+                        control = { "Freq" = 100.0 "Q" = 1.0 "Gain" = 0.0 }
+                    }
+                    {
+                        type  = builtin
+                        name  = eq_band_2
+                        label = bq_peaking
+                        control = { "Freq" = 100.0 "Q" = 1.0 "Gain" = 0.0 }
+                    }
+                    {
+                        type  = builtin
+                        name  = eq_band_3
+                        label = bq_peaking
+                        control = { "Freq" = 500.0 "Q" = 1.0 "Gain" = 0.0 }
+                    }
+                    {
+                        type  = builtin
+                        name  = eq_band_4
+                        label = bq_peaking
+                        control = { "Freq" = 2000.0 "Q" = 1.0 "Gain" = 0.0 }
+                    }
+                    {
+                        type  = builtin
+                        name  = eq_band_5
+                        label = bq_peaking
+                        control = { "Freq" = 5000.0 "Q" = 1.0 "Gain" = 0.0 }
+                    }
+                    {
+                        type  = builtin
+                        name  = eq_band_6
+                        label = bq_highshelf
+                        control = { "Freq" = 5000.0 "Q" = 1.0 "Gain" = 0.0 }
+                    }
+                ]
+                links = [
+                    { output = "eq_band_1:Out" input = "eq_band_2:In" }
+                    { output = "eq_band_2:Out" input = "eq_band_3:In" }
+                    { output = "eq_band_3:Out" input = "eq_band_4:In" }
+                    { output = "eq_band_4:Out" input = "eq_band_5:In" }
+                    { output = "eq_band_5:Out" input = "eq_band_6:In" }
+                ]
+            }
+	    audio.channels = 2
+	    audio.position = [ FL FR ]
+            capture.props = {
+                node.name   = "effect_input.eq6"
+                media.class = Audio/Sink
+            }
+            playback.props = {
+                node.name   = "effect_output.eq6"
+                node.passive = true
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/sink-matrix-spatialiser.conf

@@ -0,0 +1,59 @@
+# Matrix Spatialiser sink
+#
+# start with pipewire -c filter-chain/sink-matrix-spatialiser.conf
+# ( Jean-Philippe Guillemin <hyp3ri0n@sfr.fr> )
+
+context.properties = {
+    log.level = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Matrix Spatialiser"
+            media.name       = "Matrix Spatialiser"
+            filter.graph = {
+                nodes = [
+                    {
+                        type   = ladspa
+                        name   = matrix
+                        plugin = matrix_spatialiser_1422
+                        label  = matrixSpatialiser
+                        control = {
+                            "Width" = 80
+                        }
+                    }
+                ]
+                inputs  = [ "matrix:Input L" "matrix:Input R" ]
+                outputs = [ "matrix:Output L" "matrix:Output R" ]
+            }
+            audio.channels = 2
+            audio.position = [ FL FR ]
+            capture.props = {
+                node.name      = "effect_input.matrix_spatialiser"
+                media.class    = Audio/Sink
+            }
+            playback.props = {
+                node.name      = "effect_output.matrix_spatialiser"
+                node.passive   = true
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/sink-virtual-surround-5.1-kemar.conf

@@ -0,0 +1,197 @@
+# Convolver sink
+#
+# start with pipewire -c filter-chain/sink-virtual-surround-5.1-kemar.conf
+#
+context.properties = {
+    log.level = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Virtual Surround Sink"
+            media.name       = "Virtual Surround Sink"
+            filter.graph = {
+                nodes = [
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convFL_L
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 0
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convFL_R
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 1
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convFR_L
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 1
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convFR_R
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 0
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convFC
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 2
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convLFE
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 3
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convSL_L
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 4
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convSL_R
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 5
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convSR_L
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 5
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = convolver
+                        name  = convSR_R
+                        config = {
+                            filename = "hrir_kemar/hrir-kemar.wav"
+                            channel  = 4
+                        }
+                    }
+                    {
+                        type  = builtin
+                        label = mixer
+                        name  = mixL
+                    }
+                    {
+                        type  = builtin
+                        label = mixer
+                        name  = mixR
+                    }
+                    {
+                        type  = builtin
+                        label = copy
+                        name  = copyFL
+                    }
+                    {
+                        type  = builtin
+                        label = copy
+                        name  = copyFR
+                    }
+                    {
+                        type  = builtin
+                        label = copy
+                        name  = copySL
+                    }
+                    {
+                        type  = builtin
+                        label = copy
+                        name  = copySR
+                    }
+                ]
+                links = [
+                    { output = "copyFL:Out"   input = "convFL_L:In" }
+                    { output = "copyFL:Out"   input = "convFL_R:In" }
+                    { output = "copyFR:Out"   input = "convFR_R:In" }
+                    { output = "copyFR:Out"   input = "convFR_L:In" }
+
+                    { output = "copySL:Out"   input = "convSL_L:In" }
+                    { output = "copySL:Out"   input = "convSL_R:In" }
+                    { output = "copySR:Out"   input = "convSR_R:In" }
+                    { output = "copySR:Out"   input = "convSR_L:In" }
+
+                    { output = "convFL_L:Out" input = "mixL:In 1" }
+                    { output = "convFR_L:Out" input = "mixL:In 2" }
+                    { output = "convFC:Out"   input = "mixL:In 3" }
+                    { output = "convLFE:Out"  input = "mixL:In 4" }
+                    { output = "convSL_L:Out" input = "mixL:In 5" }
+                    { output = "convSR_L:Out" input = "mixL:In 6" }
+
+                    { output = "convFL_R:Out" input = "mixR:In 1" }
+                    { output = "convFR_R:Out" input = "mixR:In 2" }
+                    { output = "convFC:Out"   input = "mixR:In 3" }
+                    { output = "convLFE:Out"  input = "mixR:In 4" }
+                    { output = "convSL_R:Out" input = "mixR:In 5" }
+                    { output = "convSR_R:Out" input = "mixR:In 6" }
+                ]
+                inputs  = [ "copyFL:In" "copyFR:In" "convFC:In" "convLFE:In" "copySL:In" "copySR:In" ]
+                outputs = [ "mixL:Out" "mixR:Out" ]
+
+            }
+            capture.props = {
+                node.name      = "effect_input.virtual-surround-5.1-kemar"
+                media.class    = Audio/Sink
+                audio.channels = 6
+                audio.position = [ FL FR FC LFE SL SR]
+            }
+            playback.props = {
+                node.name      = "effect_output.virtual-surround-5.1-kemar"
+                node.passive   = true
+                audio.channels = 2
+                audio.position = [ FL FR ]
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/sink-virtual-surround-7.1-hesuvi.conf

@@ -0,0 +1,121 @@
+# Convolver sink
+#
+# start with pipewire -c filter-chain/sink-virtual-surround-7.1-hesuvi.conf
+#
+context.properties = {
+    log.level = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Virtual Surround Sink"
+            media.name       = "Virtual Surround Sink"
+            filter.graph = {
+                nodes = [
+                    # duplicate inputs
+                    { type = builtin label = copy name = copyFL  }
+                    { type = builtin label = copy name = copyFR  }
+                    { type = builtin label = copy name = copyFC  }
+                    { type = builtin label = copy name = copyRL  }
+                    { type = builtin label = copy name = copyRR  }
+                    { type = builtin label = copy name = copySL  }
+                    { type = builtin label = copy name = copySR  }
+                    { type = builtin label = copy name = copyLFE }
+
+                    # apply hrir - HeSuVi 14-channel WAV (not the *-.wav variants) (note: */44/* in HeSuVi are the same, but resampled to 44100)
+                    { type = builtin label = convolver name = convFL_L config = { filename = "hrir_hesuvi/hrir.wav" channel =  0 } }
+                    { type = builtin label = convolver name = convFL_R config = { filename = "hrir_hesuvi/hrir.wav" channel =  1 } }
+                    { type = builtin label = convolver name = convSL_L config = { filename = "hrir_hesuvi/hrir.wav" channel =  2 } }
+                    { type = builtin label = convolver name = convSL_R config = { filename = "hrir_hesuvi/hrir.wav" channel =  3 } }
+                    { type = builtin label = convolver name = convRL_L config = { filename = "hrir_hesuvi/hrir.wav" channel =  4 } }
+                    { type = builtin label = convolver name = convRL_R config = { filename = "hrir_hesuvi/hrir.wav" channel =  5 } }
+                    { type = builtin label = convolver name = convFC_L config = { filename = "hrir_hesuvi/hrir.wav" channel =  6 } }
+                    { type = builtin label = convolver name = convFR_R config = { filename = "hrir_hesuvi/hrir.wav" channel =  7 } }
+                    { type = builtin label = convolver name = convFR_L config = { filename = "hrir_hesuvi/hrir.wav" channel =  8 } }
+                    { type = builtin label = convolver name = convSR_R config = { filename = "hrir_hesuvi/hrir.wav" channel =  9 } }
+                    { type = builtin label = convolver name = convSR_L config = { filename = "hrir_hesuvi/hrir.wav" channel = 10 } }
+                    { type = builtin label = convolver name = convRR_R config = { filename = "hrir_hesuvi/hrir.wav" channel = 11 } }
+                    { type = builtin label = convolver name = convRR_L config = { filename = "hrir_hesuvi/hrir.wav" channel = 12 } }
+                    { type = builtin label = convolver name = convFC_R config = { filename = "hrir_hesuvi/hrir.wav" channel = 13 } }
+
+                    # treat LFE as FC
+                    { type = builtin label = convolver name = convLFE_L config = { filename = "hrir_hesuvi/hrir.wav" channel =  6 } }
+                    { type = builtin label = convolver name = convLFE_R config = { filename = "hrir_hesuvi/hrir.wav" channel = 13 } }
+
+                    # stereo output
+                    { type = builtin label = mixer name = mixL }
+                    { type = builtin label = mixer name = mixR }
+                ]
+                links = [
+                    # input
+                    { output = "copyFL:Out"  input="convFL_L:In"  }
+                    { output = "copyFL:Out"  input="convFL_R:In"  }
+                    { output = "copySL:Out"  input="convSL_L:In"  }
+                    { output = "copySL:Out"  input="convSL_R:In"  }
+                    { output = "copyRL:Out"  input="convRL_L:In"  }
+                    { output = "copyRL:Out"  input="convRL_R:In"  }
+                    { output = "copyFC:Out"  input="convFC_L:In"  }
+                    { output = "copyFR:Out"  input="convFR_R:In"  }
+                    { output = "copyFR:Out"  input="convFR_L:In"  }
+                    { output = "copySR:Out"  input="convSR_R:In"  }
+                    { output = "copySR:Out"  input="convSR_L:In"  }
+                    { output = "copyRR:Out"  input="convRR_R:In"  }
+                    { output = "copyRR:Out"  input="convRR_L:In"  }
+                    { output = "copyFC:Out"  input="convFC_R:In"  }
+                    { output = "copyLFE:Out" input="convLFE_L:In" }
+                    { output = "copyLFE:Out" input="convLFE_R:In" }
+
+                    # output
+                    { output = "convFL_L:Out"  input="mixL:In 1" }
+                    { output = "convFL_R:Out"  input="mixR:In 1" }
+                    { output = "convSL_L:Out"  input="mixL:In 2" }
+                    { output = "convSL_R:Out"  input="mixR:In 2" }
+                    { output = "convRL_L:Out"  input="mixL:In 3" }
+                    { output = "convRL_R:Out"  input="mixR:In 3" }
+                    { output = "convFC_L:Out"  input="mixL:In 4" }
+                    { output = "convFC_R:Out"  input="mixR:In 4" }
+                    { output = "convFR_R:Out"  input="mixR:In 5" }
+                    { output = "convFR_L:Out"  input="mixL:In 5" }
+                    { output = "convSR_R:Out"  input="mixR:In 6" }
+                    { output = "convSR_L:Out"  input="mixL:In 6" }
+                    { output = "convRR_R:Out"  input="mixR:In 7" }
+                    { output = "convRR_L:Out"  input="mixL:In 7" }
+                    { output = "convLFE_R:Out" input="mixR:In 8" }
+                    { output = "convLFE_L:Out" input="mixL:In 8" }
+                ]
+                inputs  = [ "copyFL:In" "copyFR:In" "copyFC:In" "copyLFE:In" "copyRL:In" "copyRR:In", "copySL:In", "copySR:In" ]
+                outputs = [ "mixL:Out" "mixR:Out" ]
+            }
+            capture.props = {
+                node.name      = "effect_input.virtual-surround-7.1-hesuvi"
+                media.class    = Audio/Sink
+                audio.channels = 8
+                audio.position = [ FL FR FC LFE RL RR SL SR ]
+            }
+            playback.props = {
+                node.name      = "effect_output.virtual-surround-7.1-hesuvi"
+                node.passive   = true
+                audio.channels = 2
+                audio.position = [ FL FR ]
+            }
+        }
+    }
+]

.config/pipewire/filter-chain/source-rnnoise.conf

@@ -0,0 +1,55 @@
+# Noise canceling source
+#
+# start with pipewire -c filter-chain/source-rnnoise.conf
+#
+context.properties = {
+    log.level = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+
+    { name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Noise Canceling source"
+            media.name       = "Noise Canceling source"
+            filter.graph = {
+                nodes = [
+                    {
+                        type   = ladspa
+                        name   = rnnoise
+                        plugin = librnnoise_ladspa
+                        label  = noise_suppressor_stereo
+                        control = {
+                            "VAD Threshold (%)" 50.0
+                        }
+                    }
+                ]
+            }
+            audio.position = [ FL FR ]
+            capture.props = {
+                node.name = "effect_input.rnnoise"
+                node.passive = true
+            }
+            playback.props = {
+                node.name = "effect_output.rnnoise"
+                media.class = Audio/Source
+            }
+        }
+    }
+]

.config/pipewire/pipewire-pulse.conf

@@ -0,0 +1,187 @@
+# PulseAudio config file for PipeWire version "1.4.2" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/pipewire-pulse.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/pipewire-pulse.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Configure properties in the system.
+    #mem.warn-mlock  = false
+    #mem.allow-mlock = true
+    #mem.mlock-all   = false
+    #log.level       = 2
+
+    #default.clock.quantum-limit = 8192
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            nice.level   = -11
+            #rt.prio      = 83
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+            #uclamp.min = 0
+            #uclamp.max = 1024
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+    { name = libpipewire-module-metadata }
+
+    { name = libpipewire-module-protocol-pulse
+        args = {
+	    # contents of pulse.properties can also be placed here
+	    # to have config per server.
+        }
+    }
+]
+
+# Extra scripts can be started here. Setup in default.pa can be moved in
+# a script or in pulse.cmd below
+context.exec = [
+    #{ path = "pactl"        args = "load-module module-always-sink" }
+    #{ path = "pactl"        args = "upload-sample my-sample.wav my-sample" }
+    #{ path = "/usr/bin/sh"  args = "~/.config/pipewire/default.pw" }
+]
+
+# Extra commands can be executed here.
+#   load-module : loads a module with args and flags
+#      args = "<module-name> <module-args>"
+#      ( flags = [ nofail ] )
+#      ( condition = [ { <key1> = <value1>, ... } ... ] )
+# conditions will check the pulse.properties key/values.
+pulse.cmd = [
+    { cmd = "load-module" args = "module-always-sink" flags = [ ]
+        condition = [ { pulse.cmd.always-sink = !false } ] }
+    { cmd = "load-module" args = "module-device-manager" flags = [ ]
+        condition = [ { pulse.cmd.device-manager = !false } ] }
+    { cmd = "load-module" args = "module-device-restore" flags = [ ]
+        condition = [ { pulse.cmd.device-restore = !false } ] }
+    { cmd = "load-module" args = "module-stream-restore" flags = [ ]
+        condition = [ { pulse.cmd.stream-restore = !false } ] }
+    #{ cmd = "load-module" args = "module-switch-on-connect" }
+    #{ cmd = "load-module" args = "module-gsettings" flags = [ nofail ] }
+]
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    #resample.quality      = 4
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = true
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+    #dither.noise = 0
+}
+
+pulse.properties = {
+    # the addresses this server listens on
+    server.address = [
+        "unix:native"
+        #"unix:/tmp/something"              # absolute paths may be used
+        #"tcp:4713"                         # IPv4 and IPv6 on all addresses
+        #"tcp:[::]:9999"                    # IPv6 on all addresses
+        #"tcp:127.0.0.1:8888"               # IPv4 on a single address
+        #
+        #{ address = "tcp:4713"             # address
+        #  max-clients = 64                 # maximum number of clients
+        #  listen-backlog = 32              # backlog in the server listen queue
+        #  client.access = "restricted"     # permissions for clients
+        #}
+    ]
+    #server.dbus-name       = "org.pulseaudio.Server"
+    #pulse.allow-module-loading = true
+    #pulse.min.req          = 128/48000     # 2.7ms
+    #pulse.default.req      = 960/48000     # 20 milliseconds
+    #pulse.min.frag         = 128/48000     # 2.7ms
+    #pulse.default.frag     = 96000/48000   # 2 seconds
+    #pulse.default.tlength  = 96000/48000   # 2 seconds
+    #pulse.min.quantum      = 128/48000     # 2.7ms
+    #pulse.idle.timeout     = 0             # don't pause after underruns
+    #pulse.default.format   = F32
+    #pulse.default.position = [ FL FR ]
+}
+
+pulse.properties.rules = [
+    {   matches = [ { cpu.vm.name = !null } ]
+        actions = {
+            update-props = {
+            # These overrides are only applied when running in a vm.
+                pulse.min.quantum = 1024/48000      # 22ms
+	    }
+        }
+    }
+]
+
+# client/stream specific properties
+pulse.rules = [
+    {
+        matches = [
+            {
+                # all keys must match the value. ! negates. ~ starts regex.
+                #client.name                = "Firefox"
+                #application.process.binary = "teams"
+                #application.name           = "~speech-dispatcher.*"
+            }
+        ]
+        actions = {
+            update-props = {
+                #node.latency = 512/48000
+            }
+            # Possible quirks:"
+            #    force-s16-info                 forces sink and source info as S16 format
+            #    remove-capture-dont-move       removes the capture DONT_MOVE flag
+            #    block-source-volume            blocks updates to source volume
+            #    block-sink-volume              blocks updates to sink volume
+            #quirks = [ ]
+        }
+    }
+    {
+        # skype does not want to use devices that don't have an S16 sample format.
+        matches = [
+             { application.process.binary = "teams" }
+             { application.process.binary = "teams-insiders" }
+             { application.process.binary = "teams-for-linux" }
+             { application.process.binary = "skypeforlinux" }
+        ]
+        actions = { quirks = [ force-s16-info ] }
+    }
+    {
+        # firefox marks the capture streams as don't move and then they
+        # can't be moved with pavucontrol or other tools.
+        matches = [ { application.process.binary = "firefox" } ]
+        actions = { quirks = [ remove-capture-dont-move ] }
+    }
+    {
+        # speech dispatcher asks for too small latency and then underruns.
+        matches = [ { application.name = "~speech-dispatcher.*" } ]
+        actions = {
+            update-props = {
+                pulse.min.req          = 512/48000      # 10.6ms
+                pulse.min.quantum      = 512/48000      # 10.6ms
+                pulse.idle.timeout     = 5              # pause after 5 seconds of underrun
+            }
+        }
+    }
+    #{
+    #    matches = [ { application.process.binary = "Discord" } ]
+    #    actions = { quirks = [ block-source-volume ] }
+    #}
+]

.config/pipewire/pipewire-pulse.conf.bak

@@ -0,0 +1,146 @@
+# PulseAudio config file for PipeWire version "0.3.51" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/pipewire-pulse.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/pipewire-pulse.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Configure properties in the system.
+    #mem.warn-mlock  = false
+    #mem.allow-mlock = true
+    #mem.mlock-all   = false
+    #log.level       = 2
+
+    #default.clock.quantum-limit = 8192
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    { name = libpipewire-module-rt
+        args = {
+            nice.level   = -11
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+    { name = libpipewire-module-protocol-native }
+    { name = libpipewire-module-client-node }
+    { name = libpipewire-module-adapter }
+    { name = libpipewire-module-metadata }
+
+    { name = libpipewire-module-protocol-pulse
+        args = {
+	    # contents of pulse.properties can also be placed here
+	    # to have config per server.
+        }
+    }
+]
+
+# Extra modules can be loaded here. Setup in default.pa can be moved here
+context.exec = [
+    { path = "pactl"        args = "load-module module-always-sink" }
+    #{ path = "pactl"        args = "load-module module-switch-on-connect" }
+    #{ path = "/usr/bin/sh"  args = "~/.config/pipewire/default.pw" }
+]
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    #resample.quality      = 4
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = false
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+}
+
+pulse.properties = {
+    # the addresses this server listens on
+    server.address = [
+        "unix:native"
+        #"unix:/tmp/something"              # absolute paths may be used
+        #"tcp:4713"                         # IPv4 and IPv6 on all addresses
+        #"tcp:[::]:9999"                    # IPv6 on all addresses
+        #"tcp:127.0.0.1:8888"               # IPv4 on a single address
+        #
+        #{ address = "tcp:4713"             # address
+        #  max-clients = 64                 # maximum number of clients
+        #  listen-backlog = 32              # backlog in the server listen queue
+        #  client.access = "restricted"     # permissions for clients
+        #}
+    ]
+    #pulse.min.req          = 256/48000     # 5ms
+    #pulse.default.req      = 960/48000     # 20 milliseconds
+    #pulse.min.frag         = 256/48000     # 5ms
+    #pulse.default.frag     = 96000/48000   # 2 seconds
+    #pulse.default.tlength  = 96000/48000   # 2 seconds
+    #pulse.min.quantum      = 256/48000     # 5ms
+    #pulse.default.format   = F32
+    #pulse.default.position = [ FL FR ]
+    # These overrides are only applied when running in a vm.
+    vm.overrides = {
+        pulse.min.quantum = 1024/48000      # 22ms
+    }
+}
+
+# client/stream specific properties
+pulse.rules = [
+    {
+        matches = [
+            {
+                # all keys must match the value. ~ starts regex.
+                #client.name                = "Firefox"
+                #application.process.binary = "teams"
+                #application.name           = "~speech-dispatcher.*"
+            }
+        ]
+        actions = {
+            update-props = {
+                #node.latency = 512/48000
+            }
+            # Possible quirks:"
+            #    force-s16-info                 forces sink and source info as S16 format
+            #    remove-capture-dont-move       removes the capture DONT_MOVE flag
+            #quirks = [ ]
+        }
+    }
+    {
+        # skype does not want to use devices that don't have an S16 sample format.
+        matches = [
+             { application.process.binary = "teams" }
+             { application.process.binary = "teams-insiders" }
+             { application.process.binary = "skypeforlinux" }
+        ]
+        actions = { quirks = [ force-s16-info ] }
+    }
+    {
+        # firefox marks the capture streams as don't move and then they
+        # can't be moved with pavucontrol or other tools.
+        matches = [ { application.process.binary = "firefox" } ]
+        actions = { quirks = [ remove-capture-dont-move ] }
+    }
+    {
+        # speech dispatcher asks for too small latency and then underruns.
+        matches = [ { application.name = "~speech-dispatcher*" } ]
+        actions = {
+            update-props = {
+                pulse.min.req          = 1024/48000     # 21ms
+                pulse.min.quantum      = 1024/48000     # 21ms
+            }
+        }
+    }
+]

.config/pipewire/pipewire.conf

@@ -0,0 +1,371 @@
+# Daemon config file for PipeWire version "1.4.2" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/pipewire.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/pipewire.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Configure properties in the system.
+    #library.name.system                   = support/libspa-support
+    #context.data-loop.library.name.system = support/libspa-support
+    #support.dbus                          = true
+    #link.max-buffers                      = 64
+    link.max-buffers                       = 16                       # version < 3 clients can't handle more
+    #mem.warn-mlock                        = false
+    #mem.allow-mlock                       = true
+    #mem.mlock-all                         = false
+    #clock.power-of-two-quantum            = true
+    #log.level                             = 2
+    #cpu.zero.denormals                    = false
+
+    #loop.rt-prio = -1            # -1 = use module-rt prio, 0 disable rt
+    #loop.class = data.rt
+    #thread.affinity = [ 0 1 ]    # optional array of CPUs
+    #context.num-data-loops = 1   # -1 = num-cpus, 0 = no data loops
+    #
+    #context.data-loops = [
+    #    {   loop.rt-prio = -1
+    #        loop.class = [ data.rt audio.rt ]
+    #        #library.name.system = support/libspa-support
+    #        thread.name = data-loop.0
+    #        #thread.affinity = [ 0 1 ]    # optional array of CPUs
+    #    }
+    #]
+
+    core.daemon = true              # listening for socket connections
+    core.name   = pipewire-0        # core name and socket name
+
+    ## Properties for the DSP configuration.
+    #default.clock.rate          = 48000
+    #default.clock.allowed-rates = [ 48000 ]
+    #default.clock.quantum       = 1024
+    #default.clock.min-quantum   = 32
+    #default.clock.max-quantum   = 2048
+    #default.clock.quantum-limit = 8192
+    #default.clock.quantum-floor = 4
+    #default.video.width         = 640
+    #default.video.height        = 480
+    #default.video.rate.num      = 25
+    #default.video.rate.denom    = 1
+    #
+    #settings.check-quantum      = false
+    #settings.check-rate         = false
+}
+
+context.properties.rules = [
+    {   matches = [ { cpu.vm.name = !null } ]
+        actions = {
+            update-props = {
+                # These overrides are only applied when running in a vm.
+                default.clock.min-quantum = 1024
+	    }
+        }
+    }
+]
+
+context.spa-libs = {
+    #<factory-name regex> = <library-name>
+    #
+    # Used to find spa factory names. It maps an spa factory name
+    # regular expression to a library name that should contain
+    # that factory.
+    #
+    audio.convert.* = audioconvert/libspa-audioconvert
+    avb.*           = avb/libspa-avb
+    api.alsa.*      = alsa/libspa-alsa
+    api.v4l2.*      = v4l2/libspa-v4l2
+    api.libcamera.* = libcamera/libspa-libcamera
+    api.bluez5.*    = bluez5/libspa-bluez5
+    api.vulkan.*    = vulkan/libspa-vulkan
+    api.jack.*      = jack/libspa-jack
+    support.*       = support/libspa-support
+    video.convert.* = videoconvert/libspa-videoconvert
+    #filter.graph    = filter-graph/libspa-filter-graph
+    #videotestsrc   = videotestsrc/libspa-videotestsrc
+    #audiotestsrc   = audiotestsrc/libspa-audiotestsrc
+}
+
+context.modules = [
+    #{ name = <module-name>
+    #    ( args  = { <key> = <value> ... } )
+    #    ( flags = [ ( ifexists ) ( nofail ) ] )
+    #    ( condition = [ { <key> = <value> ... } ... ] )
+    #}
+    #
+    # Loads a module with the given parameters.
+    # If ifexists is given, the module is ignored when it is not found.
+    # If nofail is given, module initialization failures are ignored.
+    # If condition is given, the module is loaded only when the context
+    # properties all match the match rules.
+    #
+
+    # Uses realtime scheduling to boost the audio thread priorities. This uses
+    # RTKit if the user doesn't have permission to use regular realtime
+    # scheduling. You can also clamp utilisation values to improve scheduling
+    # on embedded and heterogeneous systems, e.g. Arm big.LITTLE devices.
+    # use module.rt.args = { ... } to override the arguments.
+    { name = libpipewire-module-rt
+        args = {
+            nice.level    = -11
+            rt.prio       = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+            #uclamp.min = 0
+            #uclamp.max = 1024
+        }
+        flags = [ ifexists nofail ]
+        condition = [ { module.rt = !false } ]
+    }
+
+    # The native communication protocol.
+    { name = libpipewire-module-protocol-native
+        args = {
+            # List of server Unix sockets, and optionally permissions
+            #sockets = [ { name = "pipewire-0" }, { name = "pipewire-0-manager" } ]
+        }
+    }
+
+    # The profile module. Allows application to access profiler
+    # and performance data. It provides an interface that is used
+    # by pw-top and pw-profiler.
+    # use module.profiler.args = { ... } to override the arguments.
+    { name = libpipewire-module-profiler
+        args = {
+            #profile.interval.ms = 0
+        }
+        condition = [ { module.profiler = !false } ]
+    }
+
+    # Allows applications to create metadata objects. It creates
+    # a factory for Metadata objects.
+    { name = libpipewire-module-metadata
+        condition = [ { module.metadata = !false } ]
+    }
+
+    # Creates a factory for making devices that run in the
+    # context of the PipeWire server.
+    { name = libpipewire-module-spa-device-factory
+        condition = [ { module.spa-device-factory = !false } ]
+    }
+
+    # Creates a factory for making nodes that run in the
+    # context of the PipeWire server.
+    { name = libpipewire-module-spa-node-factory
+        condition = [ { module.spa-node-factory = !false } ]
+    }
+
+    # Allows creating nodes that run in the context of the
+    # client. Is used by all clients that want to provide
+    # data to PipeWire.
+    { name = libpipewire-module-client-node
+        condition = [ { module.client-node = !false } ]
+    }
+
+    # Allows creating devices that run in the context of the
+    # client. Is used by the session manager.
+    { name = libpipewire-module-client-device
+        condition = [ { module.client-device = !false } ]
+    }
+
+    # The portal module monitors the PID of the portal process
+    # and tags connections with the same PID as portal
+    # connections.
+    { name = libpipewire-module-portal
+        flags = [ ifexists nofail ]
+        condition = [ { module.portal = !false } ]
+    }
+
+    # The access module can perform access checks and block
+    # new clients.
+    { name = libpipewire-module-access
+        args = {
+            # Socket-specific access permissions
+            #access.socket = { pipewire-0 = "default", pipewire-0-manager = "unrestricted" }
+
+            # Deprecated legacy mode (not socket-based),
+            # for now enabled by default if access.socket is not specified
+            #access.legacy = true
+        }
+        condition = [ { module.access = !false } ]
+    }
+
+    # Makes a factory for wrapping nodes in an adapter with a
+    # converter and resampler.
+    { name = libpipewire-module-adapter
+        condition = [ { module.adapter = !false } ]
+    }
+
+    # Makes a factory for creating links between ports.
+    # use module.link-factory.args = { ... } to override the arguments.
+    { name = libpipewire-module-link-factory
+        args = {
+            #allow.link.passive = false
+	}
+        condition = [ { module.link-factory = !false } ]
+    }
+
+    # Provides factories to make session manager objects.
+    { name = libpipewire-module-session-manager
+        condition = [ { module.session-manager = !false } ]
+    }
+
+    # Use libcanberra to play X11 Bell
+    { name = libpipewire-module-x11-bell
+        args = {
+            #sink.name = "@DEFAULT_SINK@"
+            #sample.name = "bell-window-system"
+            #x11.display = null
+            #x11.xauthority = null
+        }
+        flags = [ ifexists nofail ]
+        condition = [ { module.x11.bell = !false } ]
+    }
+    # The JACK DBus detection module. When jackdbus is started, this
+    # will automatically make PipeWire become a JACK client.
+    # use module.jackdbus-detect.args = { ... } to override the arguments.
+    { name = libpipewire-module-jackdbus-detect
+        args = {
+            #jack.library     = libjack.so.0
+            #jack.server      = null
+            #jack.client-name = PipeWire
+            #jack.connect     = true
+            #tunnel.mode      = duplex  # source|sink|duplex
+            source.props = {
+                #audio.channels = 2
+		#midi.ports = 1
+                #audio.position = [ FL FR ]
+                # extra sink properties
+            }
+            sink.props = {
+                #audio.channels = 2
+		#midi.ports = 1
+                #audio.position = [ FL FR ]
+                # extra sink properties
+            }
+        }
+        flags = [ ifexists nofail ]
+        condition = [ { module.jackdbus-detect = !false } ]
+    }
+]
+
+context.objects = [
+    #{ factory = <factory-name>
+    #    ( args  = { <key> = <value> ... } )
+    #    ( flags = [ ( nofail ) ] )
+    #    ( condition = [ { <key> = <value> ... } ... ] )
+    #}
+    #
+    # Creates an object from a PipeWire factory with the given parameters.
+    # If nofail is given, errors are ignored (and no object is created).
+    # If condition is given, the object is created only when the context properties
+    # all match the match rules.
+    #
+    #{ factory = spa-node-factory   args = { factory.name = videotestsrc node.name = videotestsrc node.description = videotestsrc node.param.Props = { patternType = 1 } } }
+    #{ factory = spa-device-factory args = { factory.name = api.jack.device foo=bar } flags = [ nofail ] }
+    #{ factory = spa-device-factory args = { factory.name = api.alsa.enum.udev } }
+    #{ factory = spa-node-factory   args = { factory.name = api.alsa.seq.bridge node.name = Internal-MIDI-Bridge } }
+    #{ factory = adapter            args = { factory.name = audiotestsrc node.name = my-test node.description = audiotestsrc node.param.Props = { live = false }} }
+    #{ factory = spa-node-factory   args = { factory.name = api.vulkan.compute.source node.name = my-compute-source } }
+
+    # A default dummy driver. This handles nodes marked with the "node.always-process"
+    # property when no other driver is currently active. JACK clients need this.
+    { factory = spa-node-factory
+        args = {
+            factory.name    = support.node.driver
+            node.name       = Dummy-Driver
+            node.group      = pipewire.dummy
+            node.sync-group  = sync.dummy
+            priority.driver = 200000
+            #clock.id       = monotonic # realtime | tai | monotonic-raw | boottime
+            #clock.name     = "clock.system.monotonic"
+        }
+        condition = [ { factory.dummy-driver = !false } ]
+    }
+    { factory = spa-node-factory
+        args = {
+            factory.name    = support.node.driver
+            node.name       = Freewheel-Driver
+            priority.driver = 190000
+            node.group      = pipewire.freewheel
+            node.sync-group  = sync.dummy
+            node.freewheel  = true
+            #freewheel.wait = 10
+        }
+        condition = [ { factory.freewheel-driver = !false } ]
+    }
+
+    # This creates a new Source node. It will have input ports
+    # that you can link, to provide audio for this source.
+    #{ factory = adapter
+    #    args = {
+    #        factory.name     = support.null-audio-sink
+    #        node.name        = "my-mic"
+    #        node.description = "Microphone"
+    #        media.class      = "Audio/Source/Virtual"
+    #        audio.position   = "FL,FR"
+    #        monitor.passthrough = true
+    #    }
+    #}
+
+    # This creates a single PCM source device for the given
+    # alsa device path hw:0. You can change source to sink
+    # to make a sink in the same way.
+    #{ factory = adapter
+    #    args = {
+    #        factory.name           = api.alsa.pcm.source
+    #        node.name              = "alsa-source"
+    #        node.description       = "PCM Source"
+    #        media.class            = "Audio/Source"
+    #        api.alsa.path          = "hw:0"
+    #        api.alsa.period-size   = 1024
+    #        api.alsa.headroom      = 0
+    #        api.alsa.disable-mmap  = false
+    #        api.alsa.disable-batch = false
+    #        audio.format           = "S16LE"
+    #        audio.rate             = 48000
+    #        audio.channels         = 2
+    #        audio.position         = "FL,FR"
+    #    }
+    #}
+
+    # Use the metadata factory to create metadata and some default values.
+    #{ factory = metadata
+    #    args = {
+    #        metadata.name = my-metadata
+    #        metadata.values = [
+    #            { key = default.audio.sink   value = { name = somesink } }
+    #            { key = default.audio.source value = { name = somesource } }
+    #        ]
+    #    }
+    #}
+]
+
+context.exec = [
+    #{   path = <program-name>
+    #    ( args = "<arguments>" | [ <arg1> <arg2> ... ] )
+    #    ( condition = [ { <key> = <value> ... } ... ] )
+    #}
+    #
+    # Execute the given program with arguments.
+    # If condition is given, the program is executed only when the context
+    # properties all match the match rules.
+    #
+    # You can optionally start the session manager here,
+    # but it is better to start it as a systemd service.
+    # Run the session manager with -h for options.
+    #
+    #{ path = "/usr/bin/pipewire-media-session" args = ""
+    #  condition = [ { exec.session-manager = !false } ] }
+    #
+    # You can optionally start the pulseaudio-server here as well
+    # but it is better to start it as a systemd service.
+    # It can be interesting to start another daemon here that listens
+    # on another address with the -a option (eg. -a tcp:4713).
+    #
+    #{ path = "/usr/bin/pipewire" args = [ "-c" "pipewire-pulse.conf" ]
+    #  condition = [ { exec.pipewire-pulse = !false } ] }
+]

.config/pipewire/pipewire.conf.bak

@@ -0,0 +1,288 @@
+# Daemon config file for PipeWire version "0.3.51" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/pipewire.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/pipewire.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Configure properties in the system.
+    #library.name.system                   = support/libspa-support
+    #context.data-loop.library.name.system = support/libspa-support
+    #support.dbus                          = true
+    #link.max-buffers                      = 64
+    link.max-buffers                       = 16                       # version < 3 clients can't handle more
+    #mem.warn-mlock                        = false
+    #mem.allow-mlock                       = true
+    #mem.mlock-all                         = false
+    #clock.power-of-two-quantum            = true
+    #log.level                             = 2
+    #cpu.zero.denormals                    = false
+
+    core.daemon = true              # listening for socket connections
+    core.name   = pipewire-0        # core name and socket name
+
+    ## Properties for the DSP configuration.
+    default.clock.rate          = 48000
+    #default.clock.allowed-rates = [ 48000 ]
+    default.clock.quantum       = 1024
+    default.clock.min-quantum   = 16
+    #default.clock.max-quantum   = 2048
+    #default.clock.quantum-limit = 8192
+    #default.video.width         = 640
+    #default.video.height        = 480
+    #default.video.rate.num      = 25
+    #default.video.rate.denom    = 1
+    #
+    #settings.check-quantum      = false
+    #settings.check-rate         = false
+    #
+    # These overrides are only applied when running in a vm.
+    vm.overrides = {
+        default.clock.min-quantum = 1024
+    }
+}
+
+context.spa-libs = {
+    #<factory-name regex> = <library-name>
+    #
+    # Used to find spa factory names. It maps an spa factory name
+    # regular expression to a library name that should contain
+    # that factory.
+    #
+    audio.convert.* = audioconvert/libspa-audioconvert
+    api.alsa.*      = alsa/libspa-alsa
+    api.v4l2.*      = v4l2/libspa-v4l2
+    api.libcamera.* = libcamera/libspa-libcamera
+    api.bluez5.*    = bluez5/libspa-bluez5
+    api.vulkan.*    = vulkan/libspa-vulkan
+    api.jack.*      = jack/libspa-jack
+    support.*       = support/libspa-support
+    #videotestsrc   = videotestsrc/libspa-videotestsrc
+    #audiotestsrc   = audiotestsrc/libspa-audiotestsrc
+}
+
+context.modules = [
+    #{ name = <module-name>
+    #    [ args  = { <key> = <value> ... } ]
+    #    [ flags = [ [ ifexists ] [ nofail ] ]
+    #}
+    #
+    # Loads a module with the given parameters.
+    # If ifexists is given, the module is ignored when it is not found.
+    # If nofail is given, module initialization failures are ignored.
+    #
+
+    # Uses realtime scheduling to boost the audio thread priorities. This uses
+    # RTKit if the user doesn't have permission to use regular realtime
+    # scheduling.
+    { name = libpipewire-module-rt
+        args = {
+            nice.level    = -11
+            #rt.prio      = 88
+            #rt.time.soft = -1
+            #rt.time.hard = -1
+        }
+        flags = [ ifexists nofail ]
+    }
+
+    # The native communication protocol.
+    { name = libpipewire-module-protocol-native }
+
+    # The profile module. Allows application to access profiler
+    # and performance data. It provides an interface that is used
+    # by pw-top and pw-profiler.
+    { name = libpipewire-module-profiler }
+
+    # Allows applications to create metadata objects. It creates
+    # a factory for Metadata objects.
+    { name = libpipewire-module-metadata }
+
+    # Creates a factory for making devices that run in the
+    # context of the PipeWire server.
+    { name = libpipewire-module-spa-device-factory }
+
+    # Creates a factory for making nodes that run in the
+    # context of the PipeWire server.
+    { name = libpipewire-module-spa-node-factory }
+
+    # Allows creating nodes that run in the context of the
+    # client. Is used by all clients that want to provide
+    # data to PipeWire.
+    { name = libpipewire-module-client-node }
+
+    # Allows creating devices that run in the context of the
+    # client. Is used by the session manager.
+    { name = libpipewire-module-client-device }
+
+    # The portal module monitors the PID of the portal process
+    # and tags connections with the same PID as portal
+    # connections.
+    { name = libpipewire-module-portal
+        flags = [ ifexists nofail ]
+    }
+
+    # The access module can perform access checks and block
+    # new clients.
+    { name = libpipewire-module-access
+        args = {
+            # access.allowed to list an array of paths of allowed
+            # apps.
+            #access.allowed = [
+            #    /usr/bin/pipewire-media-session
+            #]
+
+            # An array of rejected paths.
+            #access.rejected = [ ]
+
+            # An array of paths with restricted access.
+            #access.restricted = [ ]
+
+            # Anything not in the above lists gets assigned the
+            # access.force permission.
+            #access.force = flatpak
+        }
+    }
+
+    # Makes a factory for wrapping nodes in an adapter with a
+    # converter and resampler.
+    { name = libpipewire-module-adapter }
+
+    # Makes a factory for creating links between ports.
+    { name = libpipewire-module-link-factory }
+
+    # Provides factories to make session manager objects.
+    { name = libpipewire-module-session-manager }
+
+    # {   name = libpipewire-module-filter-chain
+    #     args = {
+    #         node.description =  "Noise Canceling source"
+    #         media.name =  "Noise Canceling source"
+    #         filter.graph = {
+    #             nodes = [
+    #                 {
+    #                     type = ladspa
+    #                     name = rnnoise
+    #                     # plugin = ladspa/librnnoise_ladspa
+    #                     plugin = /usr/lib/ladspa/librnnoise_ladspa.so
+    #                     label = noise_suppressor_stereo
+    #                     control = {
+    #                         "VAD Threshold (%)" 50.0
+    #                     }
+    #                 }
+    #             ]
+    #         }
+    #         capture.props = {
+    #             node.name =  "capture.rnnoise_source"
+    #             node.passive = true
+    #         }
+    #         playback.props = {
+    #             node.name =  "rnnoise_source"
+    #             media.class = Audio/Source
+    #         }
+    #     }
+    # }
+
+    # Use libcanberra to play X11 Bell
+    #{ name = libpipewire-module-x11-bell
+    #  args = {
+    #      #sink.name = ""
+    #      #sample.name = "bell-window-system"
+    #      #x11.display = null
+    #      #x11.xauthority = null
+    #  }
+    #}
+]
+
+context.objects = [
+    #{ factory = <factory-name>
+    #    [ args  = { <key> = <value> ... } ]
+    #    [ flags = [ [ nofail ] ]
+    #}
+    #
+    # Creates an object from a PipeWire factory with the given parameters.
+    # If nofail is given, errors are ignored (and no object is created).
+    #
+    #{ factory = spa-node-factory   args = { factory.name = videotestsrc node.name = videotestsrc Spa:Pod:Object:Param:Props:patternType = 1 } }
+    #{ factory = spa-device-factory args = { factory.name = api.jack.device foo=bar } flags = [ nofail ] }
+    #{ factory = spa-device-factory args = { factory.name = api.alsa.enum.udev } }
+    #{ factory = spa-node-factory   args = { factory.name = api.alsa.seq.bridge node.name = Internal-MIDI-Bridge } }
+    #{ factory = adapter            args = { factory.name = audiotestsrc node.name = my-test } }
+    #{ factory = spa-node-factory   args = { factory.name = api.vulkan.compute.source node.name = my-compute-source } }
+
+    # A default dummy driver. This handles nodes marked with the "node.always-driver"
+    # property when no other driver is currently active. JACK clients need this.
+    { factory = spa-node-factory
+        args = {
+            factory.name    = support.node.driver
+            node.name       = Dummy-Driver
+            node.group      = pipewire.dummy
+            priority.driver = 20000
+        }
+    }
+    { factory = spa-node-factory
+        args = {
+            factory.name    = support.node.driver
+            node.name       = Freewheel-Driver
+            priority.driver = 19000
+            node.group      = pipewire.freewheel
+            node.freewheel  = true
+        }
+    }
+    # This creates a new Source node. It will have input ports
+    # that you can link, to provide audio for this source.
+    #{ factory = adapter
+    #    args = {
+    #        factory.name     = support.null-audio-sink
+    #        node.name        = "my-mic"
+    #        node.description = "Microphone"
+    #        media.class      = "Audio/Source/Virtual"
+    #        audio.position   = "FL,FR"
+    #    }
+    #}
+
+    # This creates a single PCM source device for the given
+    # alsa device path hw:0. You can change source to sink
+    # to make a sink in the same way.
+    #{ factory = adapter
+    #    args = {
+    #        factory.name           = api.alsa.pcm.source
+    #        node.name              = "alsa-source"
+    #        node.description       = "PCM Source"
+    #        media.class            = "Audio/Source"
+    #        api.alsa.path          = "hw:0"
+    #        api.alsa.period-size   = 1024
+    #        api.alsa.headroom      = 0
+    #        api.alsa.disable-mmap  = false
+    #        api.alsa.disable-batch = false
+    #        audio.format           = "S16LE"
+    #        audio.rate             = 48000
+    #        audio.channels         = 2
+    #        audio.position         = "FL,FR"
+    #    }
+    #}
+]
+
+context.exec = [
+    #{ path = <program-name> [ args = "<arguments>" ] }
+    #
+    # Execute the given program with arguments.
+    #
+    # You can optionally start the session manager here,
+    # but it is better to start it as a systemd service.
+    # Run the session manager with -h for options.
+    #
+    #{ path = "/usr/bin/pipewire-media-session" args = "" }
+    #
+    # You can optionally start the pulseaudio-server here as well
+    # but it is better to start it as a systemd service.
+    # It can be interesting to start another daemon here that listens
+    # on another address with the -a option (eg. -a tcp:4713).
+    #
+    #{ path = "/usr/bin/pipewire" args = "-c pipewire-pulse.conf" }
+    # { path = "/usr/bin/pipewire" args = "-c /usr/share/pipewire/filter-chain/source-rnnoise.conf" }
+    { path = "pactl"        args = "load-module module-switch-on-connect" }
+]

.config/pipewire/pipewire.conf.d/50-samplerate.conf

@@ -0,0 +1,4 @@
+context.properties = {
+  default.clock.rate          = 48000
+  default.clock.allowed-rates = [ 48000 ]
+}

.config/pipewire/pipewire.conf.d/99-input-denoising.conf

@@ -0,0 +1,33 @@
+context.modules = [
+{   name = libpipewire-module-filter-chain
+    args = {
+        node.description =  "Noise Canceling source"
+        media.name =  "Noise Canceling source"
+        filter.graph = {
+            nodes = [
+                {
+                    type = ladspa
+                    name = rnnoise
+                    plugin = /usr/lib/ladspa/librnnoise_ladspa.so
+                    label = noise_suppressor_mono
+                    control = {
+                        "VAD Threshold (%)" = 69.0
+                        "VAD Grace Period (ms)" = 200
+                        "Retroactive VAD Grace (ms)" = 0
+                    }
+                }
+            ]
+        }
+        capture.props = {
+            node.name =  "capture.rnnoise_source"
+            node.passive = true
+            audio.rate = 48000
+        }
+        playback.props = {
+            node.name =  "rnnoise_source"
+            media.class = Audio/Source
+            audio.rate = 48000
+        }
+    }
+}
+]

.zsh/.zshrc##default

@@ -15,6 +15,14 @@ HISTFILE=~/.zsh_history
 HISTSIZE=10000
 HISTFILESIZE=2000
 HISTCONTROL=ignoreboth
+# as soon as you hit enter, append to $HISTFILE
+setopt INC_APPEND_HISTORY
+# merge history from all running shells
+setopt SHARE_HISTORY
+# ignore duplicates and trivial commands
+setopt HIST_IGNORE_DUPS
+setopt HIST_IGNORE_SPACE
+
 
 # fpath=(/Users/sudacode/.docker/completions $fpath)
 FPATH="$HOME/.docker/completions:$FPATH"