[alsa-devel] Some questions related to ALSA based duplex audio processing

public-hk public-hk at ind.rwth-aachen.de
Tue Jan 31 12:07:56 CET 2012


thank you very much for this hint. I noticed that there are also some other
interesting publications on the referred webpage!

Best regards


Am 29.01.2012 21:31, schrieb Fons Adriaensen:
> On Sun, Jan 29, 2012 at 08:19:45PM +0100, public-hk wrote:
>> I have just started to develop a duplex audio processing application
>> based on ALSA.
>> My development goals are - of course - maximum stability as well as
>> lowest possible delay (latency).
> Have a look at the zita-alsa-pcmi library. It probably does all
> you need - it takes care of the zillions of calls necessary to
> initialise mmap access, and provides/accepts floating point audio
> samples regardless of the soundcard's format. No documentation ATM
> but the examples should get you going. It's C++, but using on the
> class mechanism, no templates, dependency on C++ libriries etc.
> <http://kokkinizita.linuxaudio.org/linuxaudio/downloads>

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