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Re: Audio-ISSUE-69 (LinearConvolution): Linear convolution effect is defined by Wikipedia [Web Audio API]

From: olivier Thereaux <olivier.thereaux@bbc.co.uk>
Date: Fri, 25 May 2012 11:39:38 +0100
Message-Id: <40B6D5CB-232C-41DE-A8C8-C8B09F7A8639@bbc.co.uk>
To: Audio Working Group <public-audio@w3.org>
This issue is now pending review, per https://dvcs.w3.org/hg/audio/rev/7865f8b76f19

Olivier


On 16 May 2012, at 10:56, Audio Working Group Issue Tracker wrote:

> Audio-ISSUE-69 (LinearConvolution): Linear convolution effect is defined by Wikipedia [Web Audio API]
> 
> http://www.w3.org/2011/audio/track/issues/69
> 
> Raised by: Philip Jägenstedt
> On product: Web Audio API
> 
> https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#ConvolverNode
> 
> links to
> 
> https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#Convolution-section
> 
> links to
> 
> http://en.wikipedia.org/wiki/Convolution
> 
> The definition should be in the specification itself. A problem that is not addressed at all is how phase/latency depends on the length of the convolution buffer. In other words, it must be defined exactly how each sample value is calculated from the the input signal and the impulse response buffer.
> 
> 
> 
Received on Friday, 25 May 2012 10:40:41 GMT

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