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Another fix for OPUS audio quality

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Alexey Khit
2023-07-13 20:31:59 +03:00
parent ea82d7ec2b
commit f6c8d63658
1 changed files with 3 additions and 2 deletions
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internal/ffmpeg/ffmpeg.go
+3 -2
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@@ -64,8 +64,9 @@ var defaults = map[string]string{
// https://ffmpeg.org/ffmpeg-codecs.html#libopus-1
// https://github.com/pion/webrtc/issues/1514
// `-af adelay=0|0` - force frame_size=960, important for WebRTC audio quality
"opus": "-c:a libopus -ar:a 48000 -ac:a 2 -application:a voip -af adelay=0|0",
// https://ffmpeg.org/ffmpeg-resampler.html
// `-async 1` or `-min_comp 0` - force frame_size=960, important for WebRTC audio quality
"opus": "-c:a libopus -ar:a 48000 -ac:a 2 -application:a voip -min_comp 0",
"pcmu": "-c:a pcm_mulaw -ar:a 8000 -ac:a 1",
"pcmu/16000": "-c:a pcm_mulaw -ar:a 16000 -ac:a 1",
"pcmu/48000": "-c:a pcm_mulaw -ar:a 48000 -ac:a 1",