this is an interesting project:
http://hhallgrimur.wordpress.com/code/ And
https://github.com/jxxcarlson/sf2sound
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SF2A README: 4/13/2011
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DESCRIPTION
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sf2a is a unix command-line program for creating sound files from text such as
moderato: do re mi.
might have another look at that at some point. noted here for posterity
Also cool is:
http://hhallgrimur.wordpress.com/cod...nce=b2b25cb8c2
take file of quadruples (freq, dur, decay, amplitude) as input, produce file of sampled waveform as output Wav.