Hey you seem to know Linux's audio stuff.

Thanks!

Herbert

Am 25.12.2020 um 14:54 schrieb K K Subbu:
> On 25/12/20 6:49 pm, Herbert König wrote:
>> It would be cool if someone can implement Your suggestion on how to
>> write Squeak's audio output buffers to a file because then I could
>> discern if the whole mess gets created by Squeak or if the OS plays a
>> role too.
>
> You may use parec (sound capture to file) and paplay (file to sound
> output) to test the audio subsystem of the OS to rule out any audio
> driver or mixer configuration problems [1]. The corresponding ALSA
> utilities are arecord and aplay. The mixer is alsamixer.
>
> padsp acts as a relay between the older /dev/dsp (audio device under
> OSS) and the newer /dev/snd/* (audio i/o devices).
>
> [1] https://manpages.debian.org/testing/pulseaudio-utils/pacat.1.en.html
>
> HTH .. Subbu
>