Hi, Thanks for the response.
I am trying to get some free time this weekend for publicate this work for collaboration. mfg winfried Am Dienstag, 18. März 2014, 12:43:40 schrieb Pierre Massat: > 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 <[email protected]>: > > 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 <[email protected]> > > > > 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. > > > > > > > > _______________________________________________ > > > > [email protected] 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 [email protected] > > Homepage http://iem.at/ritsch > > Mobil ++436642439369 > > --- > > > > > > _______________________________________________ > > [email protected] 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 [email protected] Homepage http://iem.at/ritsch Mobil ++436642439369 --- _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
