Audio phase inversion quirk?

Hans Petter Selasky hselasky at
Tue Jul 27 16:17:32 UTC 2010


I've discovered using my qecholo tool that many USB audio devices have 
switched the polarity of the audio signal. I guess not so many people are 
checking this, but I'm one of them :-)

There is currently a quirk for switching left and right channels. Is there a 
sound stack quirk in FreeBSD for correcting the phase? This is just a matter 
of negating the samples before passing along to the application.


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