[pulseaudio-discuss] Error using with Echo Cancellation Module with VoIP

[Russell Treleaven]

Linphone is worth a look.
Stop by the pulseaudio irc channel and someone will likely have a look.

On Mon, Jun 11, 2018, 11:45 AM Dferop Aero <Dferop_Aero at hotmail.es> wrote:

> Thank Russell for your fast reply,
>
>
> I use Baresip. As you can check in the following link, Baresip uses the EC
> module of Pulseaudio
>
>
>
> https://github.com/alfredh/baresip/wiki/Using-PulseAudio:-module-echo-cancel
>
> Do you know any other good VoIP client for linux with a low CPU
> consumption and Echo Canceller inside ?
>
> And what do you think about the error i get ?
>
> Thank you very much in advance
>
>
>
> ------------------------------
> *De:* pulseaudio-discuss <pulseaudio-discuss-bounces at lists.freedesktop.org>
> en nombre de Dferop Aero <Dferop_Aero at hotmail.es>
> *Enviado:* lunes, 11 de junio de 2018 16:43
> *Para:* pulseaudio-discuss at lists.freedesktop.org
> *Asunto:* [pulseaudio-discuss] Error using with Echo Cancellation Module
> with VoIP
>
>
> Hello,
>
>
> I have always the same error when i use the Echo Cancellation Module.
>
>
> I get the same error all the time:
>
>
> May 31 09:30:54 localhost pulseaudio[753]: [alsa-source-CDC PCM Codec-0]
> module-echo-cancel.c: Playback after capture (-87178), drop sink 1414
> May 31 09:30:55 localhost pulseaudio[753]: [alsa-source-CDC PCM Codec-0]
> module-echo-cancel.c: Playback after capture (-87698), drop sink 1422
> May 31 09:30:56 localhost pulseaudio[753]: [alsa-source-CDC PCM Codec-0]
> module-echo-cancel.c: Playback after capture (-87148), drop sink 1414
> May 31 09:30:57 localhost pulseaudio[753]: [alsa-source-CDC PCM Codec-0]
> module-echo-cancel.c: Playback after capture (-87279), drop sink 1416
>
> It doesn't matter if i change the configuration parameters, i always get
> the same error.
>
> I thouhgt it was a problem of CPU (A20 dual core 950MHz, performance) so i
> have one isolated core running only Pulseaudio. In this case, the CPU
> consumption is only 20%, so now i don't think it is a problem of CPU
>
> As I said, It doesn't matter if i change the configuration parameters, i
> always get the same error... "drop sink 14xx" (more or less)
>
> I use tsched=0 in default.pa, if i set tsched=1 the error increases
>
> For the rest of parameters, same error. I have checked it with webrtc,
> adrian and speex.
>
> Besides I have set different values for the buffer (size and mseconds) in
> daemon.conf
>
>
> Because of this error, it seems that the audio is not fluid, the audio is
> choppy
>
>
> I hope you can help me,
>
>
> Thank you very much in advance,
>
>
> Paul
> _______________________________________________
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> pulseaudio-discuss at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
>
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