Postfish is a digital audio post-processing, restoration, filtering and mixdown tool. It works as a linear audio filter, much like a rack of analog effects.
The first stage of the filter pipeline provides a bank of configurable per-channel processing filters for up to 32 input channels.
The second stage provides mixdown of the processed input audio into a group of up to eight output channels.
The third stage applies processing filters to the output group post-mixdown.