Re: Window function used for AnalyserNode

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



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.



Paul.





On Wed, Apr 2, 2014, at 02:16 AM, Chinmay Pendharkar wrote:

Seems like FF is using Blackman as well.

[1]http://mxr.mozilla.org/mozilla-central/source/content/media/webaudio
/AnalyserNode.cpp#226



On Wed, Apr 2, 2014 at 7:34 AM, Raymond Toy <[2]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
[3]https://github.com/WebAudio/web-audio-api/issues/287).

What does Firefox use?

Ray

References

1. http://mxr.mozilla.org/mozilla-central/source/content/media/webaudio/AnalyserNode.cpp#226
2. mailto:rtoy@google.com
3. https://github.com/WebAudio/web-audio-api/issues/287