We would like to add more format support to "sox_io"'s save function. Full Rate is the codec used in mobile phone system and the libsox torchaudio binds have capability to handle this format.

Steps

Implementation

1. Add GSM to [Format enum](https://github.com/pytorch/audio/blob/05bff83fdec3e8f70f80bf7a1b89951bf7050114/torchaudio/csrc

hi,
as you know, in SoLoud, the number of filters are limited
we should implement more like different reverbs, fir and irr filters, (these could be used to implement HRTF support), Chorus, One Poll, One Zero, Pole Zero, Two Pole, Two Zero, etc
a library exists called stk under zlib license which already implemented these maybe we can implement some of these out

We want to update the new version message. This is how it looks now:

We want something like this:

![image](https://user-images.githubusercontent.com/8397930/107563007-