[PD] UDOO Quad and Generic Guitar to USB link issues

[Carlos Sanchez]

Hello PD-list,

I am currently working on my semester project which is a guitar
multi-effect pedal using the UDOO Quad and PD. I got everything up and
running on the Linaro Ubutu 12.04 LTS build provided by UDOO and I am
having strange results with PD. The soundcard I am using works normally
when I am using Audacity. It plays wav files and can record the guitar
signal correctly but when it comes to PD, a basic osc object or a table
read through ALSA produces a strange digital noise, completely ruining the
audio signal.

I have also tested this setup with a M-Audio Fast Track Pro USB card and
the playback worked without issues, although I could not get the input
signal through the adc object for an unknown reason.

Has anyone tried a similar setup for guitar usage?

Thanks!
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