[Feature Request] smoother downsampling algo

[IsaakCode]

The famous "underwater effect" of Drake / Noah Shebib is based on downsampling the signal without producing too much nasty aliasing. This revolves aound using two fillters in addition to the resampling module: one filter pre and one post the resampler. This reduces aliasing and leads to a smoother resample sound. See the manual of Decimort for more details.

[jerryuhoo]

Sounds interesting, I will have a look.