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[P] Obscure speech recording while keeping data useful for machine learning (alien.top)

submitted 1 year ago by vladisser@alien.top to c/machinelearning@academy.garden

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Is there a way to obscure speech recording so there is no way to play it and get something intelligible, but still keep it useful for machine learning? For my project I have to collect data in uncontrolled environment, and I would like to do it without accidentally storing sensitive information.

It seems to be an uncommon problem, and I haven't found much. I am currently using spectrograms to extract features. For what I have found, making a spectrogram from a soundwave uses STFT and doesn't store phase information, so there is not enough information to perform the inverse transformation. Do I understand this correctly? What are other ways to do it?

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[–] Bubbly-Experience513@alien.top 1 points 11 months ago

Trying to avoid getting deep faked or why, explicitly, and what do you want the ML to produce? Interesting question btw