[whatwg] MediaElement enhancement - preservesPitch attribute
Ian Hickson
ian at hixie.ch
Tue Jul 14 17:01:45 PDT 2009
On Tue, 23 Jun 2009, Brady Eidson wrote:
>
> From 4.8.10.9: "If the playbackRate is not 1.0, the user agent may
> apply pitch adjustments to the audio as necessary to render it
> faithfully."
>
> While pitch correction is certainly desirable a lot of the time, we've
> found that it is also desirable to disable pitch correction on demand.
> Content authors might *prefer* the "chipmunk" effect during faster
> playback or the "stretched low voice" effect during slower playback.
>
> As such, WebKit just added a new attribute to the MediaElement called
> "webkitPreservesPitch." For now it defaults to true, as the default
> playback behavior for our main ports has been to do pitch correction.
> But by setting it to false, author's can get the chipmunk/stretch effect
> when they desire.
>
> Hopefully other folks will like this idea and we could add the
> "preservesPitch" attribute to the MediaElement so we could drop the
> webkit prefix on this!
I've noted this in the spec notes for future versions.
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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