Investigate using libsamplerate for resampling

[matthias-wende-frequenz]

What's needed?

libsamplerate is an optimized library, written in C, for resampling audio data. It supports up and downsampling and is one of the best resamplers around. At the time when luca started writing the resampler we simply didn't think of using this library until I stumbled upon the python bindings recently.

Proposed solution

Try the samplerate python bindings and see what advantages we can get from using this library.

Use cases

Better accuracy, faster resampling and more resampling functions.

Alternatives and workarounds

As an alternative we can indeed stick to our current implementation.

Additional context

No response

[leandro-lucarella-frequenz]

Is this still a thing @matthias-wende-frequenz ?