Hi Miller,
Thank you for your reply. I didn't know there could be such a difference in performance between two ARM chips. It seems very attractive indeed, and i think i'll contact the people at CCRMA to ask about the latency they achieved. If it's low enough i'll definitely give it a try.
Cheers,
Pierre.
2012/12/17 Miller Puckette msp@ucsd.edu
I could be wrong, but I believe the Beagleboard is ARMv7 and the Pi is ARM v6 - so BB could easily have twice the floating-point erformance of Pi. I'm not sure why and whether there would be any difference in Jack for the two. I believe (but am not sure at all) that BB doesn't have the same USB problems the Pi has. All in all it's still a very attractive possibliity, perticularly since the Stanford people have tested and exercised it thoroughly.
cheers Miller
On Mon, Dec 17, 2012 at 04:38:40PM +0100, Pierre Massat wrote:
Dear List,
I came accross this "Stompbox design workshop" ( https://ccrma.stanford.edu/wiki/Stompbox_2011). They use Pd on a beagleboard to make stompboxes. They talk about the older version of the beagleboard with a CPU running
at
around 700 MHz. This is the same speed as the RPi's.
I'm wondering what kind of latency they achieved on the beagleboard. Leaving aside the problem of the lack of audio in, don't you think we should be able to get the same performance on a raspberry pi ? Also, I wonder why JACK runs on the beagleboard and not on the RPi.
Cheers,
Pierre.
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