Re: Window function used for AnalyserNode

On Wed, Apr 2, 2014 at 2:01 AM, Paul Adenot <paul@paul.cx> wrote:

>  Yes, we do use Blackman indeed. We should spec that.
>

Yes. Will you write that? I have not started writing anything yet.

>
> if authors have use cases that need more flexibility, it seems
> straightforward to add a API that does not break existing applications and
> provide other type of windows.
>
> If we agree on that, I'm happy to propose a patch it if nobody has started
> writing the spec text.
>

You mean agree on adding an API to provide other window types? I'm not
opposed to that, but the demand for such seems pretty low.

Ray


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> Paul.
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> On Wed, Apr 2, 2014, at 02:16 AM, Chinmay Pendharkar wrote:
>
> Seems like FF is using Blackman as well.
>
>
> http://mxr.mozilla.org/mozilla-central/source/content/media/webaudio/AnalyserNode.cpp#226
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> On Wed, Apr 2, 2014 at 7:34 AM, Raymond Toy <rtoy@google.com> wrote:
>
>
> Blink uses a Blackman window before taking the FFT in the AnalyserNode.
> This isn't in the spec (but also see
> https://github.com/WebAudio/web-audio-api/issues/287).
>
> What does Firefox use?
>
> Ray
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