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Re: pvs and spectral warping (as in GRM tools)

by David Mooney/Maxine Heller :: Rate this Message:

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Similarly, I've attempted to use vpvoc and tableseg for spectral
warping operations, but this does not seem to work (using the example
in the Csound Book as a test using a file created with pvanal. The
file works fine with pvoc). Before spending more time on this, am I
recalling correctly that there is some problem with vpvoc in 5.x? Is
there something else Peiman and I should be using?

Thanks--

--David

At 09:15 AM 3/2/2009, you wrote:

>Hello all,
>
>What is the best way to rearrange amplitude data in an FFT frame using
>pvs signal?
>
>I basically want to swap the amplitude data of one bin with another
>before synthesizing the FFT frame. So for instance to say that I want
>the amplitude of bin one to be swapped with the amplitude of bin 10
>and so on, but for every bin. I have tried pvsftw and vcopy but the
>result is very wobbly and not what I expected at all.
>
>The aim is to imitate the GRM tools spectral Warp. Is this possible?
>
>Many thanks in advance
>
>Best
>Peiman
>
>
>Send bugs reports to this list.
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>"unsubscribe csound"
>
>--
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David Mooney:  dmooney@...
Maxine Heller:  mheller@...
Opaque Melodies:  www.city-net.com/~moko/



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