Re: [sc-users] How to send magnitude data from FFT to buffer to client?

[f@xxxxxxxxxxxxxxxxxxx]

here's an example using UnpackFFT1 and Demand to extract magnitudes from a spectra and put that on a multichannel (1024) control rate buss.  maybe that's something you can adapt for your needs.

http://sccode.org/1-4Ty

see UnpackFFT1 helpfile on how to get the phases too.
_f

> 4 juni 2021 kl. 19:21 skrev lambda@xxxxxxxxxxxxxx:
> 
> Data comes from FFT.
> 
> So only way is make a routine that will turn buffer into array and write data to bus?
> 
> This way I will need to update busses 48000 times a second to be accurate.
> 
> On 04.06.2021 17:39, spluta@xxxxxxxxx wrote:
>> Since fft uses a buffer, you can use loadToFloatArray:
>> b.loadToFloatArray(action:{|array| a = array})
>> Is this from FFT or PV_RecordBuf?
>> Sam
>>> On Jun 4, 2021, at 4:22 PM, lambda@xxxxxxxxxxxxxx wrote:
>>> 
>>> Hello!
>>> 
>>> I want to use magnitudes and phases data I got after using FFT on microphone input to modulate synth instances.
>>> 
>>> At first, I want to sort FFT bins by magnitude power, take first N
>>> bins, normalize data, and then send it to N * 2 Busses (N for magnitudes and N for phases) these Busses I want to use for modulating synths with .asMap() method.
>>> 
>>> I tried to write this data to control rate Bus inside .pvcollect,
>>> but it is not possible because Out.kr() needs a control rate signal.
>>> 
>>> Is there any possibility to this or some workaround how can I use FFT
>>> data for synths modulation?
>>> 
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