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I am doing a machine learning project and I'm interested in the different pre-processing techniques which can be applied to audio data. In particular, I am interested in comparing a human auditory model (basically pre-process my data into features which mimic how humans perceive sound) and a non-human auditory model. I know for example that the Mel Spectrogram is a human-auditory model. Or the multi resolution cochleagram. But what are the ones that are not human auditory? I suppose an example is the short-time Fourier transform? Or the PCM data?

What would be other examples?

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  • $\begingroup$ JTFS is mammalian. Code to be released. Since CWT-based models are good human auditory models, and it is significantly different from STFT, I suppose you could call STFT "non-human". $\endgroup$ Commented Jun 20, 2022 at 19:37
  • $\begingroup$ If you say "non-human" do you mean other live forms or mathematical (non-biological) algorithms? $\endgroup$
    – Hilmar
    Commented Jun 20, 2022 at 21:28
  • $\begingroup$ @Hilmar yes, exactly, mathematical (non-biological). Do you know others of the types? $\endgroup$
    – Slim Shady
    Commented Jun 21, 2022 at 8:35

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