Thanks for your reply Daniel. Daniel Haus wrote:
The reason I thought it was my app was playing wave files over & over using aplay didn't result in the problem. It's possible aplay is using the interface in a different way (for instance I'd imagine it uses the plughw interface).Behaviour:
The output sound is perfect for about 2 minutes. After that every now and then I get "distortion" in the audio. No xruns or errors are reported in the software. It sounds like only part of the output buffer is correct (the general gist is right, but there's crap and warbles there as well).
this might not be caused by your app, this could be an alsa-problem.
It's a scientific application that cannot allow distortion, or even xruns to occur at all (every sample is critical).
i experienced such problems, too (i am using cs46xx). usually i amI didn't even know there was an rc6 ! Normally they get announced on the list. Must have missed it.
runnigng xmms (with alsa-plugin) when it happens. i get a very "thin" sound - very little bass, volume goes down and i get some distortion.
alltogether it sounds like my speakers would be broken (they aren't,
really!).
i did not do any more testing, but about 24 hours ago i upgraded to
0.9.0-rc6 and had no problems since then, but that might not mean
anything ...
Can anyone in the know shed some light as to whether rc6 changes are likely to help ?
--
Cheers,
Bruce
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