[pulseaudio-discuss] distortion and clipping with 0.9.15-test3

Colin Guthrie gmane at colin.guthr.ie
Thu Mar 5 17:07:33 PST 2009

'Twas brillig, and Brian J. Murrell at 05/03/09 22:32 did gyre and gimble:
> I'm using 0.9.15-test3 with various applications including rhythmbox and 
> I am noticing the audio will be distorted and clipping at times, although 
> the overall output volume is quite reasonable (I'm 40, not 15).
> Looking in the volume control I have RB set (in the Playback tab) at 49% 
> volume and the actual sound card (in Output Devices) at 49% also.  These 
> seem like reasonable values that should not cause the louder sequences in 
> various tracks to distort or clip.  They certainly didn't with the 0.9.10 
> that I am upgrading from.
> Oh crap.  Having the volume control open just triggered:
> E: core.h: Assertion 'pa_object_refcnt(pa_object_cast(o)) > 0' failed at ./pulsecore/core.h:159, function pa_core_assert_ref(). Aborting.

If you can get a backtrace for that it would be helpful. On it's own 
it's sadly pretty meaningless :(

Also please try rolling up a -test5 build now that it's available :)



Colin Guthrie

Day Job:
   Tribalogic Limited [http://www.tribalogic.net/]
Open Source:
   Mandriva Linux Contributor [http://www.mandriva.com/]
   PulseAudio Hacker [http://www.pulseaudio.org/]
   Trac Hacker [http://trac.edgewall.org/]

More information about the pulseaudio-discuss mailing list