I need to make a patch which gets an audio stream in input and divides its spectrum in bands of a given range, which will be then played on separate channels.
I’m looking through a lot of documentation but I can’t really find the good direction to implement this.
Can anyone give me a hint?
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look at fft~ i’d say.
thanks for your answers. I tried to do the job with fft but I got stuck with windowing size, overlappings etc, so I basically put a bunch of biquad filters in bandpass modality, centered on the frequencies I need.
For the moment it works more or less, but I’m quiet sure it’s far from being the best way to proceed…
Anyway, after that what I need to do is shifting each one of the bands I got to a given frequency range, let’s say 1000-2500 hz -> 250-625 hz for instance.
Is there a way to do that which allows me to clearly specify the exact range I want to get to after the shifting ?
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