From f6c8d63658a3a445b93cd8e71f420ec3b46f3d27 Mon Sep 17 00:00:00 2001 From: Alexey Khit Date: Thu, 13 Jul 2023 20:31:59 +0300 Subject: [PATCH] Another fix for OPUS audio quality --- internal/ffmpeg/ffmpeg.go | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/internal/ffmpeg/ffmpeg.go b/internal/ffmpeg/ffmpeg.go index 0c882db5..5c5bfcb5 100644 --- a/internal/ffmpeg/ffmpeg.go +++ b/internal/ffmpeg/ffmpeg.go @@ -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",