Stuttering when recording sink monitor audio.
Georg Chini
georg at chini.tk
Sun Jan 21 16:44:02 UTC 2024
On 19.01.24 09:39, 赵成义 wrote:
> Hi guys,
>
> I found a issue about stuttering when recording sink monitor audio, as
> shown below:
>
> Preconditions:
> 1. The sound card only supports software volume.
> 2. Two audio players play different audios at the same time.
> 3. Set to speaker output audio.
>
> Test steps:
> 1. Record the audio stream of the monitor of the speaker sink through
> parec.
> For example: parec -d
> alsa_output.platform-raoliang-sndcard.analog-stereo.monitor
> --file-format=wav test1.wav
> 2. Change the volume of the speaker sink during recording.
> 3. It will cause stuttering in the audio stream recorded from the
> monitor channel of the speaker sink.
> 4. However, the audio output from the sound card speaker does not stutter.
>
> Could you tell me why this problem occurs? thanks a lot.
>
> Cheers,
> Chengyi
>
Hi,
which version of PA are you using? That behavior has been a known bug in
older versions,
but at least version 16 or the recently released 17 should not show that
issue.
Regards
Georg
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