Can someone explain the CLANS noise shaper?

[andybob (Andrew Cox)]

Here’s a post Brian made about the filters in another thread:

DSP SRC Filters

This was a pretty technical question, so I’m going to keep the answers at a pretty technical level. A lot could be written on the tradeoffs involved, reasoning behind them, why some of the choices below are valid for music listening (but wouldn’t be for other applications), etc. And there is a lot of basic knowledge of how DSP and sample rate conversion works that would be hard to convey in a short post. There is a fair bit of religion in this space to contend with in this area, and we do not r…