http://www.altera.com/literature/an/an487.pdf Design examples on how to doit...
-----Original Message----- From: Sursound [mailto:sursound-boun...@music.vt.edu] On Behalf Of Dave Malham Sent: den 21 maj 2014 10:28 To: Surround Sound discussion group Subject: Re: [Sursound] parallella board As it has an SPI interface, it should be usable with multichannel DAC's. The main chip also has a lot of FPGA which could be tasked with providing more SPI interfaces. A very interesting board indeed..... Dave On 13 May 2014 15:51, <mgra...@mstvp.com> wrote: > Indeed that is an interesting board. However, hidden in a comment > trail on the blog they note that there was limited funding for the > production run of the 64 processor board. This resulted in higher > cost/unit and a very limited quantity being produced. The net of that > is that all that were made are already committed, so none with be available > for purchase. > > Michael > > --------- Original Message --------- Subject: [Sursound] parallella > board > From: "JQ Adams" <jqad...@google.com> > Date: 5/13/14 1:59 am > To: "Surround Sound discussion group" <sursound@music.vt.edu> > > Hi all. > > Does anyone have any experience or plans to perform audio-related > processing using one of these boards with the Adapteva 16-core > coprocessor? > > http://www.parallella.org > > It's cheap and low power (RaspberryPi-esque) but seemingly quite > capable of significant workloads (especially the upcoming 64-core > version). > > I figured it may be useful for many channel decoding of B-format to > speaker feeds, or doing some heavy lifting in FIR calculations for > room-equalization, etc. > > I have in mind echo cancelers and convolving out the room > contribution for VC applications. However I don't know enough about > chip architecture to know whether this would be a good choice over > more conventional (SHARC) DSPs. I see that this is only 32-bit float > capable in hardware, whereas math functions in the SHARC ar 40-bit > precision. For proper scientific computing, double floats (64-bit) > are usually desired, but I'm uncertain whether this applies to the audio > domain. > > Any thoughts? > > Cheers, > JQ _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
