README.txt

ruby-xtract    by Christoph Bünte   http://www.christophbuente.de
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Libxtract (http://libxtract.sourceforge.net/) is a simple, portable, lightweight library of audio feature extraction functions. Now this functionality is brought to ruby.
 
What is it?
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ruby-xtract is a FFI wrapper for libxtract
 
What do I need?
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You need ffi and libxtract.
% sudo gem install ffi
 
On a linux box install packages with your favourite package manager like yum or apt
% sudo apt-get install libxtract-dev

On a mac install packages via macports
% sudo port install libxtract (i just submitted it to macports so stay tuned)