[webkit-dev] WebAudio time domain sample data range?

Info info at wothke.ch
Fri Aug 15 02:15:59 PDT 2014

range seems indeed to be -1 to 1 (see RealtimeAnalyser::getByteTimeDomainData)

Zitat von Info <info at wothke.ch>:

> What is the range of the input sample data that the webaudio
> implementation is dealing with (e.g. in  
> /WebCore/Modules/webaudio/RealtimeAnalyser.cpp)?
> Is it float values between -1 and 1, or is the data scaled
> differently?
> (I am trying to immitate the built-in logic of the AnalyzerNode, by  
> running a JavaScript side FFT on the time domain data that I am  
> getting in the "onaudioprocess" event of a ScriptProcessorNode. I am  
> using all the scaling/transformation logic from RealtimeAnalyser.cpp  
> but still my resuls are quite different from the built-in ones..)
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