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Altera_Forum's avatar
Altera_Forum
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16 years ago

low pass audio filter to cut female voice

i made a/d & d/a custom board can be connected to DE1 via GPIO header, want to design simple demonstration to cut female voice using DSP Builder. i will use mic input to a/d and d/a out to speaker. h...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

did you find any results for that?

According to my own experiences female voices (in comparison to male voices) do have a 90% overlap in the spectrum and the formants hardly can be described detailed enough to distinguish that automatically.

The only way of speech removal works with material, where the vocals were recorded in mono.