DSP-based realtime music synthesis

[Michael T. Mayers]

JOHN VOLANSKI wrote:
> 
> I pulled this out of the 12/16/96 Electronic Design:
> 
> The engineering of audio-based products may be affected by a technology
> that consists of multitasking algorithms running on a DSP-based media
> accelerator.  Developed by the Software and Systems Technology Division
> of Analog Devices, the technology supplies realtime music synthesis and
> effects.  The software, comprised of more than 300 music functions
> (opcodes), can meet or exceed the capabilities found on today's music
> synthesizers.  The opcodes include sampled waveforms playback
> oscillators, filters, mixers, and reverberators.  Other opcodes include
> audio input harmonizers, an FFT-based phase vocoder signal
> reconstruction, and a math model of a plucked string.  By mixing and
> matching combinations of opcodes, developers can emulate most features
> found on music synthesizers and audio signal processors today.  In
> addition, the technology reduces size, power cost, and development time
> in products ranging from music synthesizers to effects processors with
> comprehensive MIDI control.
> With the DSP-based architecture, developers can employ all types of
> synthesis and effects simultaneously; on-the-fly frequency-domain
> analysis and resynthesis; and pitch and timing correction without
> specialized equipment. The hardware consists of mix and match software
> modules that can be downloaded to, and run simultaneously on, the
> programmable digital signal processor according to the system designer's
> criteria.  One such example of this type of processor is the ADSP-2106x
> SHARC.  Fo mo info:  contact Analog Devices at 617-461-3060 or see
> http://www.analog.com
> 
> JV

sounds like csound by Barry Vercoe of MIT medialab.

the cool thing is you can get it for free via:

http://www.leeds.ac.uk/music/Man/c_front.html

If you don't want to use the commandline, also see:
http://www.musique.umontreal.ca/Org/CompoElectro/CEC/
http://www.sunlabs.com/research/tcl/index.html

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MTM

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*              Michael T. Mayers - MINDESIGN limited                *
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*                     http://www.mindesign.com                      *
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