hello Ed,
Le 15/09/2012 00:54, Ed Kelly a écrit :
Hey Cyrille,
How big is the external USB soundcard?
here is a picture : http://www.midiwall.com/gear/ua-1a/ but it's very old. i think any usb stereo soundcard (somes are very small) are using the same driver, so they sould work the same.
I'm really interested in the Pi as a very small device for running Pd, and my USB soundcard is good but really big compared to the form factor of the Pi. I'd be interested if anyone has found a soundcard that works well and has the same compact style - the cheap ebay dongle-sized ones may not be so good, but they are small. Does anyone have a good experience with one of these on a Pi or a regular PC machine? for performances, i'm using soudcard with spdif out (like ua-1X) or maybe this behringer (that i did not try) ,(currently, i'm using the spdif out of my asus laptop): http://www.homestudio.fr/behringer-uca202.html then, i've got a vc8 fostex DA converter that provide a very good sound.
I'd like to build installations with many Pi's emitting sound all at once, and so a small soundcard is a good thing :)
antoine did successfully use something like this : http://www.turtlebeach.com/products/sound-cards/audio-advantage-micro-ii.asp...
cheers c
Ed Gemnotes-0.2: Live music notation for Pure Data, now with dynamics! http://sharktracks.co.uk/
*From:* Cyrille Henry ch@chnry.net *To:* Miller Puckette msp@ucsd.edu *Cc:* pd-list pd-list@iem.at *Sent:* Thursday, 13 September 2012, 23:36 *Subject:* Re: [PD] Running the phase vocoder example on the Raspberry Pi
using 0.44, we manage to have it running with 25ms audio buffer using an external usb soundcard. 85% cpu about. no clicks.
cheers c
Le 11/09/2012 19:42, Miller Puckette a écrit :
One slight tweak: if you type "sudo chmod 4755 /usr/bin/pd" you will probably be able to use the mouse clicklessly (at some expense to security!)
This will be unnecessary in release 0.44...
cheers Miller On Tue, Sep 11, 2012 at 07:32:16PM +0200, Pierre Massat wrote:
Dear List,
I managed to get the phase vocoder working on my Raspberry Pi, with the standard Raspbian wheezy distro. It works ok under the following conditions :
- no GUI activity (even moving the mouse results in awful scratches)
- the "delay" in Pd is set to at least 50ms
- 224 Mb of RAM is allocated to the CPU.
All this using the internal audio output.
This is quite encouraging...
Cheers,
Pierre.
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