Re: [microsound] pitch/harmonics, math and perhaps samples too?

[GrahamWakefield <graham@xxxxxxxxxxxxxxxxx>]

Max/MSP 4.5 has a very simple object called gizmo~, which is a FFT based
pitch shifter; the help file lets you specify the tuning as a floating-point
midinote, ie you can use any tuning system you care to build... So no need
for Jimmies if you can't afford them.

On 18/10/04 8:34 pm, "Michal Seta" <mis@xxxxxxxxxxxx> wrote:

> "Kassen" <kassen@xxxxxxxxxxxxxx> writes:
> 
>> Indeed you can do all the math yourself for example because you might need
>> something far off the regular charts or because you abosulutely need to know
>> the 20th decimal for some obscure reason. If that is the case I would always
>> base my calculations on A4 because A4 is supposed to be 440Hz, without any
>> rounding errors.
> 
> Or because you want to compose a tape part for a baroque instruments
> ensemble and the musicians will not want to tune up from 415Hz.  The
> charts will not be of much help there.
> 
>> By the way, Is anybody aware of a pitch shifting implementation that can
>> work based on arbitrary tunings?
> 
> pdjimmies (for Pure Data) (and Jimmies for Max/MSP, I'd assume) use a
> frequency shifter that lets you tune in cents by default.  Available
> here:  http://tot.sat.qc.ca/eng/nslam.html
> 
> The frequency shifter implementation uses variable delay line, may not
> be what you're looking for...
> 
> ./MiS
> 
> 
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