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On Sun, Dec 02, 2007 at 06:04:50PM +0100, Daniel wrote:
> On Sun, 2 Dec 2007 16:48:14 +0000
> Jacob Meuser <jakemsr@...> wrote:
> > VoIP applications generally require full-duplex audio operation (or
> > two soundcards, but that gets icky as far as configuration goes).
> > you'll have much more luck with full-duplex audio in -current
> > (or when 4.3 is released).
> > also see ports/telephony/pjsua in -current.
> Could you provide some information about which drivers provide
> full-duplex audio in current?
and others, but these I have tested (in -current).
now, there are different ways of doing full-duplex, and some methods
work better than others. so, even if full-duplex is possible, the
way it is implemented makes a difference. take a look at
src/regress/sys/dev/audio_rw/audiotest_rw.c. read the commit messages
for that and pay close attention to audio(4).
also note that with azalia(4) and the ac97(4) based devices, some codecs
may work better than others.