[Bug 17399] (AudioParamSampling): AudioParam sampling is undefined

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17399

Philip J <philipj@opera.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |philipj@opera.com
         Resolution|FIXED                       |

--- Comment #6 from Philip J <philipj@opera.com> 2012-06-12 08:34:16 UTC ---
What spec says is now mostly correct, but the wrong part is normative. What
implementation *actually* have to do is sample at the beginning of a each
128-sample block, but this is not normative. Conversely, the 3ms requirement
*is* normative, even though 3ms at 8KHz is 24 samples and not what will
actually be implemented.

Suggestion: Remove all mention of 3ms and state:

<p>
Implementations must use block processing, with each <code>AudioNode</code>
processing 128 sample-frames in each block.
</p>

and

<p>
For each 128 sample-frame block, the value of a <em>k-rate</em> parameter must
be sampled at the time of the very first sample-frame, and that value must be
used for the entire block.
</p>

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Received on Tuesday, 12 June 2012 08:35:41 UTC