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Re: [Cs-dev] Proposed use of function tables as windows in phase vocoders

Date2007-08-18 22:06
FromVictor Lazzarini
SubjectRe: [Cs-dev] Proposed use of function tables as windows in phase vocoders
> According to the CVS log, Istvan Varga introduced the
> ability to use function tables for windows in pvsanal.c
> revision 1.18.

This is what I kept saying here...

> There is no code in CVS that uses PVOC_CUSTOM.

True.

> What happens if you use pvsanal with an ftable window and
> try to save the f signal using pvsfwrite?

That is my fault, I had not foreseen this. Another solution
is to use PVOC_CUSTOM and then add an extra optional
parameter to pvsfread, pvoc, etc, to specify a function
table for use when the window type is PVOC_CUSTOM.

There is no code currently in any opcode to read
a custom window from a PVOCEX file. But it can be
implemented in the read/write functions.

Victor

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