Linear-to-Mel scale projection using Mel filterbanks. (DSP-142)

[hbellafkir]

Is your feature request related to a problem?

Most state-of-the-art deep learning approaches for audio tagging use Mel spectrograms rather than linear spectrograms.

Describe the solution you'd like.

Add functions to project FFT results onto the Mel scale.

Describe alternatives you've considered.

No response

Additional context.

No response