The Java Audio Feature Extraction is licensed under the Apache License, Version 2.0..

The following table contains a list of all the libraries used in core release of the Java Audio Feature Extraction, each with a link to the project website, and their individual license types and license statements.

Name	Version	Description	License	URL
Colt	1.2.0	Provides a set of Open Source Libraries for High Performance Scientific and Technical Computing, especially with matrices	Colt License	http://acs.lbl.gov/~hoschek/colt/
Apache Commons Math	1.2	lightweight, self-contained mathematics and statistics components addressing the most common problems not available in the Java programming language or Commons Lang	Apache Software License, version 2.0	http://jakarta.apache.org/commons/math
JLayer	1.0.1	MP3 decoder/player/converter library	GNU LGPL	http://www.javazoom.net/javalayer/javalayer.html
JSAP	2.1	Java Simple Argument Parser - syntactically validates your program's command line arguments, converts those arguments into objects you specify	GNU LGPL	http://www.martiansoftware.com/jsap/index.html
Tritonus	0.3.1	Tritonus is an implementation of the Java Sound API. Currently, GNU/Linux i386 and Linux/PowerPC is supported. Some separately downloadable plugins also run on other JavaSound platforms. Support for other platforms is planned for the future.	GNU LGPL	http://www.tritonus.org/
MP3 SPI	1.9.4	MP3SPI is a Java Service Provider Interface that adds MP3 (MPEG 1/2/2.5 Layer 1/2/3) audio format support for Java Platform. It supports streaming, ID3v2 frames, Equalizer, .... It is based on JLayer and Tritonus Java libraries.	GNU LGPL	http://www.javazoom.net/mp3spi/mp3spi.html
M2K	1.1.4	M2K (Music-to-Knowledge) creates a Virtual Research Lab (VRL) for MIR/MDL development, prototyping and evaluation. We use only a few classes from M2K, which are adapted to have no outer dependencies.	M2K License	http://www.music-ir.org/evaluation/m2k/