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psychoacoustically driven temporal approximation



Hi all,
i'm trying to find a way to approximate the sample values of an audio waveform in time domain.
I want a method that takes care of approximating perceptually-relevant audio bands better than others.
Basically a spectral-weighted temporal approximation method. 
In my head it's not clear how to connect frequency components to specific samples in the time domain. 
Any DSP wizard out there with a good idea/papers ?
Best regards
Alberto 

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ALBERTO NOVELLO / JesterN
site: jestern.com
shop: jestern.bandcamp.com
audio: soundcloud.com/jestern
video: vimeo.com/jestern
 
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