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[web-audio-api] (AudioParamSampling): AudioParam sampling is undefined (#142)

From: Olivier Thereaux <notifications@github.com>
Date: Wed, 11 Sep 2013 07:28:36 -0700
To: WebAudio/web-audio-api <web-audio-api@noreply.github.com>
Message-ID: <WebAudio/web-audio-api/issues/142@github.com>
> Originally reported on W3C Bugzilla [ISSUE-17399](https://www.w3.org/Bugs/Public/show_bug.cgi?id=17399) Tue, 05 Jun 2012 12:19:24 GMT
> Reported by Michael[tm] Smith
> Assigned to 

Audio-ISSUE-42 (AudioParamSampling): AudioParam sampling is undefined [Web Audio API]


Raised by: Philip J├Ągenstedt
On product: Web Audio API

It is not defined how the AudioParam values (ramps or AudioNode input) are sampled. These approaches would yield hugely different results:

 * Sample-and-hold at the beginning of each processing buffer (if they exist in the implementation).
 * Correct downsampling with low pass filtering to below the Nyquist frequency for each processing buffer. This could turn a 20KHz signal into silence.
 * Continuously per audio sample at the mixing level. Slow?

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Received on Wednesday, 11 September 2013 14:29:04 UTC

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