Re: Granular synthesis and auditory segmentation

[Pierre Divenyi <pdivenyi@xxxxxxxxxxxxxxxxxxxxxx>]

>        So if I take a 1000 Hz pure sinusoid, and I half-wave rectify it,

>it doesn't make a difference? You might want to try it yourself first.

>        The pattern of activity on the basilar membrane will be quite

>different, depending on whether you present a pure sinusoid or its

>half-wave rectified version. It's simply because the frequency content of

>the stimulus is different. The inner ear does do a sort of Fourier analysis

>on the whole waveform.

>        The half-wave rectification occurs _after_ the frequency

>decomposition performed on the basilar membrane, i.e. after you have

>decomposed the signal into frequency channels.

>

>                                                        Didier

>

Didier,

I am afraid you misunderstood the argument. But I let John Bates and Richard Fabbri correct the matter.

        

Pierre

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Pierre Divenyi

  

     

   Experimental
Audiology Research (151)
                                    
V.A. Medical Center, Martinez, CA 94553, USA
Phone: (925) 370-6745   
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E-mail :

       

pdivenyi@marva4.ebire.org
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