[sdiy] samplers & pitch shifting

Tim Ressel timr at circuitabbey.com
Sun May 13 18:22:27 CEST 2018


Interesting. I was under the impression they were being clever, but I 
guess not. Makes sense.

Yeah I meant the frequency shifter.

--tr

On 5/13/2018 9:17 AM, Julian wrote:
> most sample based machines I know just transpose the sample up and 
> down. length changes. just like a tape machine.
> to keep the sample the same length the most common are granular 
> approaches (OLA PSOLA etc) or FFT based shifters.
>
> I only know the bode frequency shifter, but thats a whole other effect 
> as the harmonic distribution does not stay intact (metallic sound)
>
> julian
>
> Am 13.05.2018 um 18:07 schrieb Tim Ressel:
>> Hi,
>>
>> Forgive me if I've asked this before. I can't seem to get my head 
>> around this. I'm told if you make for example a drum machine that 
>> uses samples you HAVE to be able to change the pitch. How is this 
>> done? The pitch has to change but the sample length stays the same. 
>> Are we talking about a digital version of a Bode pitch shifter?
>>
>
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-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com



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