This package allows developers to add real time digital signal processing to their Java Sound applications. It includes an AWT component to render a scope or spectrum analyser.

The Light Development Spectrum Analyzer Component (http://www.lightdev.com/) relies on the KJ DSP package.

The author is Kris Fudalewski (http://sirk.sytes.net/KJ/KJ_NextRelease.htm and http://web.archive.org/web/20050907191237/http://sirk.sytes.net/KJ/KJ_NextRelease.htm).