[linux-audio-user] 3D audio technique

[R Parker]

:) I been had.

ron

--- toby at tobiah.org wrote:
> I have been working on a method of synthesis whereby
> a three dimensional space can be described through
> the careful arrangement of destructive interference
> nodes between sound sources.  I have been able to
> translate three dimensional shape definitions into
> csound scores which feeds a csound orchestra
> instument
> that has been constructed to anticipate the location
> of interference patterns of low frequency sound
> sources, given the relative postions of the
> speakers.
> 
> Not only is the audio product pleasing and
> artistically
> valid, but one can actually visualise the
> reconstructed
> shape in space between the speakers by exposing the
> space to a suspended cloud such as smoke or dust.
> By blowing smoke for instance between the speakers
> as csound 'plays' the score, a vague but
> recognizable
> reproduction of the original input shape can be
> seen.
> What happens is that the places where destructive
> interference nodes effectively stop the air
> movement,
> the cloud particles become more visible than in
> those
> spaces where the sound is active, and moving
> the cloud particles more rapidly.  The effect can
> be quite astonishing, and opens, I believe, a very
> important new avenue of compositional expression.
> 
> Here is an example of one of the more successful
> images, a bust of Beethoven:
> 
> http://tobiah.org/beethoven.html
> 
> Tobiah
> 
> 


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