Thanks! we eventually got it working with a griffin iMic usb device, thanks for the tip. Having some performance issues with Pd so going to try PDa now.
d On 5 March 2012 02:09, Miller Puckette <m...@ucsd.edu> wrote: > Could be a portability problem in Pd's audio I/O code or (more likely > I think) some kind of limitation in the audio driver itself. Perhaps audio > input only works in one channel and Pd is tring to use it in stereo? It > migth help to use an external USB audio device if that's practical. > > cheers > Miller > On Mon, Mar 05, 2012 at 12:19:04AM +0100, Duncan Speakman wrote: >> Hi all, >> >> We're running Pd 0.43 on a Gumstix Overo Airstorm with Cortex A8 >> architecture, using Linaro 12.02 distribution (which is based on >> Ubuntu 11.10 ) >> Pd seems to be working but audio input and output is displaying >> strange behaviours and processing artifacts. >> Simple osc~ objects play their tones at half pitch, and when we run >> audio into it in realtime ( connecting adc~ direct to dac~ ) we >> experience both lower pitch and time granulation. CPU usage reads less >> than 2%. >> >> Samplerate is 44100 and blocksize is currently at 1024 (anything lower >> than this creates crackling, and causes CPU usage to jump to 80%) >> >> Does anyone here know if this CPU is just unable to process floating >> point data at the speed required by Pd, or whether there are some >> processing settings/ priority settings or a different kind of kernel >> that would allow Pd to run correctly on this platform. >> We're surprised it's not working as we know PDlib runs fine on the >> iPhone for instance. We've already successfully run PDa on a Gumstix >> Verdex but really want to move to full Pd to get around the >> limitations of PDa. >> >> any thoughts or suggestion welcome, >> we're getting desperate! >> >> duncan >> >> -- >> follow me : @ofcircumstance >> >> _______________________________________________ >> Pd-dev mailing list >> Pd-dev@iem.at >> http://lists.puredata.info/listinfo/pd-dev -- follow me : @_dspk _______________________________________________ Pd-dev mailing list Pd-dev@iem.at http://lists.puredata.info/listinfo/pd-dev