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The latest version of BAT is now available at:

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The Bangor Audio Toolkit is a suite of free Max applications developed at Bangor University, Wales, UK. It is intended mainly for composers of electroacoustic music, acousmatic music and other forms of 'experimental' sound art. It may also be of interest to sound designers, film music composers and others interested in doing new and unusal things with sound

Anyone may download the software for free and make use of it provided they agree to the terms of the Licence.If you have any suggestions or bug reports, please email or see further contact details at


Complete package BAT@BEASTtools304.dmg
Version for Max 6 (32 bit), Mac. You need Max 6 or Max 6 Runtime to use it, as well as BEASTtools

BATlib library only BATlib304.dmg
BATlib library only. BATlib is included in the complete package. Download this only if your BATlib is out of date.