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Why is a biquad filter needed before denoise? #224

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segu-L opened this issue May 10, 2024 · 1 comment

segu-L commented May 10, 2024

What does a biquad filter do, and how are the coefficients designed?

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jmvalin commented May 11, 2024

It's a high-pass filter that removes the frequencies below ~50 Hz that can only be noise (below the pitch fundamental).

segu-L closed this as completed

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