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Re: is sampling audio input possible?

From: Chris Rogers <crogers@google.com>
Date: Sun, 11 Dec 2011 17:26:46 -0800
Message-ID: <CA+EzO0k3jw0R2KBCSS6n9Sjut_qVZjvaNoR4x2QQ51qDTJ-j+w@mail.gmail.com>
To: Stephen Bannasch <stephen.bannasch@deanbrook.org>
Cc: public-audio@w3.org
Hi Stephan, I'm not sure if this is exactly what you're looking for,
but you could check out the "Realtime Analyser" example on the Web Audio
demos page:


On Wed, Nov 30, 2011 at 9:58 AM, Stephen Bannasch <
stephen.bannasch@deanbrook.org> wrote:

> I'd like to be able to sample and display both amplitude and frequency
> domain representations of audio input from an audio source.
> Is it possible to get a buffer with amplitude data for an audio source
> with the Web Audio API?
> The goal is an educational application on the science of sound. We have
> done this in the past with a Java applet or webstart approach ... but there
> are all sorts of trouble updating and maintaining these.
> Example of a Java Web Start sound grapher:
>  http://teemss2.concord.org/**content/soundVisualizer/**
> sound2/SoundGrapherTeemss.jnlp<http://teemss2.concord.org/content/soundVisualizer/sound2/SoundGrapherTeemss.jnlp>
Received on Monday, 12 December 2011 01:27:25 UTC

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