[chuck-users] pitch tracking in ChucK

Hans Aberg haberg at math.su.se
Sat Dec 12 18:35:16 EST 2009

On 12 Dec 2009, at 21:45, mike clemow wrote:

> OpenCL-based ChucK UGens would definitely be interesting...

Kassen that Mac OS X now uses floats all through in the audio pipe  
line. Wouldn't that be great for ChucK, too - avoiding overflow over  
combined UGen amplitude 1.0.


> On Sat, Dec 12, 2009 at 3:14 PM, Hans Aberg <haberg at math.su.se> wrote:
>> On 12 Dec 2009, at 19:32, Kassen wrote:
>>>> Do these track the overtones? - When checking the spectrum of an  
>>>> oud, I
>>>> noticed that the fundamental is missing if one passes to new note  
>>>> by
>>>> shortening the string with the finger against the board without  
>>>> striking it
>>>> with the other hand.
>>> Well, fft as such doesn't "track" anything.
>> In a past thread, when discussing using GPUs for getting extra  
>> computing
>> power, I forgot to mention this FFT that achieves 144 Gflop/s on  
>> the now not
>> so new GeForce 8800GTX:
>>  http://en.wikipedia.org/wiki/OpenCL
>> Haven't looked at details, but I think it can be used as just an  
>> added
>> parallel computing resource.

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