[pulseaudio-discuss] problem with webrtc and pulseaudio

[Fatima Castiglione Maldonado 发]

>Ok, that suggests that the problem is not with chrome specifically. But
>in your first mail you said that firefox works fine...

Firefox works ok, have just tested it again to be sure.

>If you record with parecord without having chrome running at the same
>time, is the sound still bad? If it is, you can check if the audio is
>better without pulseaudio in theI middle with this command:

I have just recorded with parecord without having chrome running at the
same time, and it sounds ok.

>pasuspender -- arecord --device=plughw:0 --format=cd test.wav
>If that produces bad audio too, then it's a kernel driver problem.

And have just recorded with pasuspender and it also sounds ok.



2017-02-19 7:06 GMT-03:00 Tanu Kaskinen <tanuk at iki.fi>:

> On Thu, 2017-02-16 at 21:26 -0300, Fatima Castiglione Maldonado 发
> wrote:
> > > To narrow down the problem further, you could try recording from the
> > > microphone at the same time when chrome is supposed to be recording
> > > from it. You can use this command:
> > > parecord --device=alsa_input.pci-0000_00_1b.0.analog-stereo test.wav
> > > When you play back that test.wav file, does it contain better
> > > microphone audio than what chrome produces?
> >
> > Not better at all. It contains the same cracking noise that chrome
> > produces. Maybe even worst, because the signal (cracking voice noise) to
> > noise (ambient noise) ratio appears worst than the signal-to-noise ratio
> > from "live experience" (while running Chrome).
>
> Ok, that suggests that the problem is not with chrome specifically. But
> in your first mail you said that firefox works fine...
>
> If you record with parecord without having chrome running at the same
> time, is the sound still bad? If it is, you can check if the audio is
> better without pulseaudio in the middle with this command:
>
> pasuspender -- arecord --device=plughw:0 --format=cd test.wav
>
> If that produces bad audio too, then it's a kernel driver problem.
>
> --
> Tanu
>
> https://www.patreon.com/tanuk
> _______________________________________________
> pulseaudio-discuss mailing list
> pulseaudio-discuss at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
>



-- 
=================================
Fátima Castiglione Maldonado
Singer, Designer, Creative, Artificial Intelligence
Cantante, Diseñadora, Creativa, Inteligencia Artificial
castiglionemaldonado at gmail.com

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