Audio FX

[yiannakop]

Hi. I am looking for a site (or even a book) that explains some algorithms for audio effects (e.g. echo). If any code (matlab, C, Java) is available that will be apriciated.
Thanx in advance,
Theodore

[Gabriel Fleseriu]

First hit in Google searching for "audio effects":
http://users.iafrica.com/k/ku/kurient/dsp/algorithms.html#timedelay