[pulseaudio-discuss] Pulse Audio 4.0 gets killed by 300 Hz tone...never recovers

Thomas Martitz kugel at rockbox.org
Mon Jun 24 12:25:11 PDT 2013

Am 24.06.2013 21:03, schrieb Tanu Kaskinen:
> On Mon, 2013-06-24 at 11:36 -0400, Robert Krakora wrote:
>> Basically, the 300Hz tone "motor boats" when played over SIP via Asterisk.
>> Every tone that previously played well over SIP via Asterisk then also
>> "motor boats".
> (Please don't top-post.)
> If you record from the alsa sink while this motor-boating is happening,
> is the audio in the recorded file fine? You can record with for example
> this command:
>       parecord --device=NAME_OF_THE_MONITOR_SOURCE > ~/tmp/test.wav
> Replace NAME_OF_THE_MONITOR_SOURCE with the name of the monitor source.
> You can list the available sources with "pactl list sources short",
> hopefully you're able to figure out which of the sources is the correct
> one (it's one of those that end with ".monitor").

And if not you could feed the recorded file to paplay with different 
sample rates to see if resampling isn't done correctly somewhere.

Best regards

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