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Re: fftSize requirement for RealtimeAnalyserNode

From: Jussi Kalliokoski <jussi.kalliokoski@gmail.com>
Date: Thu, 22 Mar 2012 18:10:52 +0200
Message-ID: <CAJhzemWg=DtEdm7XujX3PrsFWVKZSRXpj09z6Crb0X0V9CojQA@mail.gmail.com>
To: Alistair MacDonald <al@signedon.com>
Cc: "Wei, James" <james.wei@intel.com>, "public-audio@w3.org" <public-audio@w3.org>
We should probably check from Chris R. if it's actually intended behavior
or just a temporary implementation quirk.

On Thu, Mar 22, 2012 at 6:03 PM, Alistair MacDonald <al@signedon.com> wrote:

> Action 41 Created: https://www.w3.org/2011/audio/track/actions/41
>
> Does anyone want to volunteer to update the spec. documentation?
>
> --
> Alistair
>
>           *          *          *
>
> The value RealTimeAnalyser Node's FFT size must be limited in the range of
> [128, 2048], and it will throw the exception if illegal value of fftSize is
> set.
>
> This is yet to be documented in the spec.
>
> http://lists.w3.org/Archives/Public/public-audio/2012JanMar/0460.html
>
>
>
>
>
>
>
> On Thu, Mar 22, 2012 at 5:02 AM, Wei, James <james.wei@intel.com> wrote:
> >
> >
> >
> > For fftSize in RealtimeAnalyserNode in the spec, it only says the value
> must be power of 2.
> >
> >
> >
> > But in fact in the implementation, the value must be limited in the
> range of [128, 2048], and it will throw the exception if illegal value of
> fftSize is set.
> >
> >
> >
> > Which should be documented in the spec.
> >
> >
> >
> >
> >
> > Best Regards
> >
> >
> >
> > James
> >
> >
> >
> >
>
>
>
>
> --
> Alistair MacDonald
> SignedOn, Inc - W3C Audio WG
> Boston, MA, (707) 701-3730
> al@signedon.com - http://signedon.com
>
Received on Thursday, 22 March 2012 16:11:25 GMT

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