\ql\fs20 Singing Physical Articulatory Synthesis Model (SPASM), developed at the Center for Computer Research in Music and Acoustics, models the human vocal tract. SPASM produces a naturalness of sound and a level of control unavailable with any other voice synthesis technique.\
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\fs36 The NeXTstep development environment and the Motorola DSP56001 digital signal processor included with every NeXT computer, make great music, speech, and signal processing research and teaching tools.
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\pard\tx7200\tx8700\tx10200\fs28 Here are some sounds generated with SPASM