seen this? http://www.raspberrypi.org/archives/1878
"When we got home, head full of ideas about encouraging people to port Max to the Raspberry Pi, we found a mail waiting for us from Omenie, one of our forum members. " On Wed, Aug 29, 2012 at 3:53 PM, Pierre Massat <pimas...@gmail.com> wrote: > This is all very interesting! > > To get back to my initial problem, i managed to solve it by launching Pd > with a longer audio buffer (-audiobuf 100). For some reason Pd came with a > default buffer of 25ms. > > Now, I can't tell you whether it sounds as "good" or worse than the same > audio data played in aplay. I'll need to test this further. > > Cheers, > > Pierre. > > > 2012/8/29 Tedb0t <li...@liminastudio.com> >> >> Ah, wow, that's crazy. Has anyone yet tried out any USB audio interfaces >> on the RPi yet? I have one handy that I can try but not until I get these >> client projects out of the way ;) >> >> I'm extremely curious if using a supported external audio interface solves >> all the sound problems or if there are also still alsa issues. I'm also now >> wondering who will be the first to come out with an RPi audio "shield" ;) >> >> This renews my interest in modifying the RPi design to make a Pd-friendly >> board that's intended to be headless with a built-in quality DAC. But >> without RPi's supply chain hookups, it'd be quite hard to keep the price >> down to the RPi's level! >> >> —t3db0t >> >> On Aug 29, 2012, at 1:08 PM, Andy Farnell wrote: >> >> > >> > >> > Yes I heard that too. It's single bit PWM modulated output. >> > Basically there's no DAC, so audio output is a fun hack, >> > and likely as good as it's worth trying to make it for >> > simple applications. >> > >> > If you want good quality audio I/O there are things like >> > Turtle Beach Amigo for about 15 quid >> > >> > http://www.turtlebeach.com/products/sound-cards/audio-advantage-amigo-ii.aspx >> > >> > You can take it out the board from its plastic housing. Its about >> > as small as an SD card. >> > >> > a. >> > >> > On Wed, Aug 29, 2012 at 04:40:44PM +0200, Pierre Massat wrote: >> >> 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 >> >>> >> >>> >> > >> >> _______________________________________________ >> >> Pd-list@iem.at mailing list >> >> UNSUBSCRIBE and account-management -> >> >> http://lists.puredata.info/listinfo/pd-list >> > >> >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > -- ____________________ m.e.grimm | m.f.a | ed.m. megr...@gmail.com _________________________________ _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list