- From: Chris Rogers <crogers@google.com>
- Date: Fri, 6 Aug 2010 14:42:36 -0700
- To: Chris Marrin <cmarrin@apple.com>
- Cc: public-xg-audio@w3.org, Corban Brook <corbanbrook@gmail.com>
Received on Friday, 6 August 2010 21:43:06 UTC
> > > This demo is pretty simple, but I'd be very interested in porting some of > the Mozilla demos to this API. Corban, would it be OK with you if I ported > some of your demos which use the DSP.js library you've been working on? > > Very nice. Overhead on my machine is very low (20%) and I think at least > half that overhead is WebGL rendering. It would be nice to duplicate the > functionality of the Realtime Ananyzer demo so we can understand the > difference in overhead between doing FFT's in JS vs native code. > > ----- > ~Chris > cmarrin@apple.com Sure, I can do that. I know that the Mozilla folks have already done this and found the JS FFT performance to be acceptable for realtime analysis. Where the FFT overhead gets quite a lot heavier is in panning/spatialization and convolution where there are hundreds of larger sized FFTs per second. Chris
Received on Friday, 6 August 2010 21:43:06 UTC