[whatwg] Codecs for <audio> and <video>

Chris McCormick chris at mccormick.cx
Mon Aug 10 02:59:47 PDT 2009

Hi Sam,

On Sun, Aug 09, 2009 at 03:23:15PM +0100, Sam Dutton wrote:
> As an aside to Chris McCormick's comments, I wonder if it might also be
> useful/possible/appropriate (or not) to provide access to media data in the
> way that the ActionScript computeSpectrum function does: 
> http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/media/SoundMixer.html#computeSpectrum%28%29
> Sample visualization using Canvas with computeSpectrum:
> http://www2.nihilogic.dk/labs/canvas_music_visualization/

If the set of signal vector operators came with an FFT operator, which they
definately should, then this would be taken care of in a way which would look
pretty similar to that API.




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