[PD] wireless audio from Pd to PA system (katja)

chris clepper cgclepper at gmail.com
Tue Mar 5 06:43:18 CET 2013


On Mon, Mar 4, 2013 at 6:41 PM, katja <katjavetter at gmail.com> wrote:

>
> If further experiments are promising enough, I would try this board for
> the receiver:
>
> https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino-WIFI/
>
>
I have been running Pd on this board for a few weeks now.  In general, it
works OK, but the ADC is not so good and adds a lot of latency.  Just DAC
output can be 10ms latency with passable sound.  All of the Pd example
patches run fine with the FFT ones topping out around 50% CPU load.  That's
with nothing else running.  Any network activity will cause dropouts even
at large buffer settings though.

The WiFi works with a few tweaks to the settings for your network.

The drawback with the Allwinner based chips is you have to take whatever
the chip maker gives you for documentation and drivers (slim and none
basically).  The Chinese SoC makers have zero interest in orders less than
a half million units and they mainly make those under $100 7" tablets and
bad set top boxes.  If something doesn't work, then it likely won't ever
work - don't hold out for improved ALSA drivers for example.

I would see what the new BeagleBone looks like too.  It's supposed to be
cheaper and improved plus TI does support open source better than most.
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