Hi, I've been tried to reduce the size of my setup for a while now, hoping that the RPi would be the solution. I'm definitely interested in your work.
Cheers, Pierre. 2014-03-18 12:02 GMT+01:00 Winfried Ritsch <rit...@iem.at>: > Am Donnerstag, 13. März 2014, 16:01:20 schrieb Rafael Vega: > > Anyone wants to share their experience with the BeagleBoneBlack? > > > Yes. > > Since autumn, i am trying to set up an kit hardware+software with BBB for > computer-musicians as stomp box, works quite well, after successfully > installed it in a long term sound installation (headless): > > some points short: > > system: > + BBB moved to Debian since this year (good) > + USB Audio works fine und better now with kernel >= 3.12 > + Network performance works better with kernel >= 3.12 > - IO support doenst use device-tree overlays anymore on kernel > 3.8 > + an iio-backend for Jack2 to use the internal AD's > in jack for processing sensor data in PD ;-))) but tricky > > sound: > > + down to 10ms with PD and cheap 8 channel out, 2 in > USB soundcard Logilink 7.1 (EUR 19.90) > + 5ms with Logilink stereo USB (EUR 3,90) > + success with audio-cape (stereo, but too expensive for the quality) > - sound quality is normally as bad as on most notebooks, tablets and so on > + but with a trick: filtered 5V supply for the USB-card not the USB power > it seems to get reasonable quality > (They have all the same chips like expensive USB cards: C-Media) > > I just made a blog on this, but it is not public only for intern usage, if > anyone is interested in the IEM-embedded-Sound-Kit (doing some audio over > ethernet stuff) i can make it open (after some polishing, especially the > english) and release the PD-lib (GPIO,AD,I2C,... interfacing) for these > devices. > > This dev's should also work for Cubie-boards, Wand-boards, UDOO and other > arm > based boards. > > mfg > winfried > > PS: Maybe we can start an own thread on this. > > > > > On Thu, Mar 13, 2014 at 3:11 PM, Brian Fay <ovaltinevor...@gmail.com> > wrote: > > > While I'm sure that Dan is right that the UDOO is the better choice for > > > USB audio, I do have to say that I've had decent success using my > > > Raspberry > > > Pi as a guitar effects processor, with the Behringer UCG102 interface. > > > > > > There's definitely a lot of quirkiness to getting it running... for > > > example ALSA gets in an infinite restart loop when attempting low > latency > > > on pd-extended, but vanilla starts up fine under the same settings. And > > > then there's the fact that an issue in the kernel screws up USB audio > on > > > major distros like Raspbian. > > > > > > I'm using the Satellite CCRMA distro right now with much better > success. > > > So far I've got various delays, a looper, and a waveshaper distortion > > > running within the same patch, at <20ms latency with very few > noticeable > > > dropouts. Parameters are adjustable with a QuNeo MIDI controller and > with > > > a > > > button attached to the GPIO pins. > > > > > > The Pi is a bit more affordable than the UDOO boards, but then again I > had > > > to buy a powered USB hub. Ultimately for one audio input the Raspberry > Pi > > > could probably serve most purposes, while the UDOO is more likely to > scale > > > to bigger installations. > > > > > > _______________________________________________ > > > Pd-list@iem.at mailing list > > > UNSUBSCRIBE and account-management -> > > > http://lists.puredata.info/listinfo/pd-list > > -- > --- > Ritsch, Winfried, Ao.Univ.Prof. Dipl.-Ing. > Institut 17 Elektronische Musik und Akustik > 8010 Graz, Inffeldgasse 10/III > E-Mail rit...@iem.at > Homepage http://iem.at/ritsch > Mobil ++436642439369 > --- > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
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