There's a guy called "dom" on the RPi forum who seems to be involved in audio development. I've seen his interventions in a couple of audio related threads, and i got the information about the analog output being simple filtered PWM off one of his posts. Might be interesting to get in touch with him.
Pierre. 2012/8/29 Tedb0t <li...@liminastudio.com> > This is what I'm curious about; who is doing this alsa development, where, > and can we pitch in? We are all interested in getting the sound working > better on the Pi... > > That said, it seems like the jury is out on if it's an alsa problem or a > Pd problem. I seem to have experienced both. > > —Tedb0t > > On Aug 29, 2012, at 6:46 AM, geoffroy wrote: > > With the PI the alsa is in alpha development on the arm platform and > therefor won't be at it's best for a little while. The floating point > integration in the latest system made the audio a lot better, as on the > first gen OS of the PI the audio was just impossible. > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
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