[PD] Pd on a headless Raspberry Pi

Michael Zacherl sdiy-mz01 at blauwurf.info
Wed Aug 29 02:31:50 CEST 2012

On 28.8.2012, at 22:53 , Pierre Massat wrote:

> Hi again,
> just a quick update : I tried running aplay at start-up (the same way I was running Pd), with the same type of audio data (a simple 44,1KHz wav file recorded from the Pd patch i'm testing the Pi with). It sounds much better than Pd on the analog output.
> So it should be an issue with Pd itself. Perhaps it start to quickly. I dont know...

just a short note:  did you use a sine-sweep file for your test with aplay? Or something similar smooth and simple?
I reckon the built-in PWM-output can handle complex sounds better than simple ones. 
I'm having some sort of deja-vu -  didn't we discuss that some weeks ago?  ;-)

BTW,  nicorette?? :-)

> Cheers,
> Pierre.
> 2012/8/28 m.e.grimm <megrimm at gmail.com>
> hey pierre,
> what r u using for line-in? i have one of these:
> http://www.amazon.com/gp/product/B0069L9PZA/ref=oh_details_o04_s01_i01
> but have not had the chance to try it.
> im curious what might be the best usb in/out for cheap.
> i also got this:
> http://www.amazon.com/gp/product/B005CLMJLU/ref=oh_details_o02_s00_i00
> so i can ssh in on my local network (headless). although i have not
> tried it w/out the powered usb hub.
> just my own status update.
> m
> On Tue, Aug 28, 2012 at 3:10 PM, Pierre Massat <pimassat at gmail.com> wrote:
> > Hi all,
> >
> > I succesfully ran Pd on a headless Raspberry Pi (which is no big feat per
> > se. I've written a tutorial here :
> > http://guitarextended.wordpress.com/2012/08/28/running-pd-on-a-headless-raspberry-pi/),
> > but i'm getting a really heavily distorted sound from the analog output.
> > No idea why...
> > Any experience to share?
> >
> > Cheers,
> >
> > Pierre.

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