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Normalize generated Anki audio by default (#135)

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Kyle Yasuda
2026-07-02 00:34:16 -07:00
committed by GitHub
parent 4b10e85053
commit 359cb0a301
18 changed files with 80 additions and 7 deletions
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src/media-generator.test.ts
+18
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@@ -163,6 +163,24 @@ test('generateAudio defaults to unpadded sentence timing', async () => {
});
});
test('generateAudio normalizes sentence audio by default', async () => {
await withStubbedFfmpeg(async (generator, argsPath) => {
await generator.generateAudio('/video.mp4', 10, 12);
const args = readFfmpegArgs(argsPath);
assert.equal(args[args.indexOf('-af') + 1], 'loudnorm=I=-18:TP=-1.5:LRA=11');
});
});
test('generateAudio can preserve raw sentence audio loudness', async () => {
await withStubbedFfmpeg(async (generator, argsPath) => {
await generator.generateAudio('/video.mp4', 10, 12, 0, null, false);
const args = readFfmpegArgs(argsPath);
assert.equal(args.includes('-af'), false);
});
});
test('generateAudio clips leading padding without adding it to trailing duration', async () => {
await withStubbedFfmpeg(async (generator, argsPath) => {
await generator.generateAudio('/video.mp4', 0.2, 1.2, 0.5);