MOTM

Mark,

Thanks for expanding my vocabulary today ;)

BTW, on a trip to Switzerland, I discovered the source of mad-cow disease.  I noted
that anything that had a bell (aka bovine telemetry device) that size strapped
around its neck would certainly go mad <snicker>.

  Eric


--- mark@... wrote:
> At 8:42 AM -0700 10/19/01, alt-mode wrote:
> >
> >> Another module might be a tintinnabular audio source, in order to produce
> >> metallic sounds without having to use a large number of modules.
> >
> >Mark, I'm not familiar with "tintinnabular audio sources."
> >Can you tell us more?
> 
> Tintinnabular audio sources were discovered during the Bronze Age after
> someone accidentally dropped the first bronze container.  Later,
> self-actuated devices were developed for bovine telemetry, and to announce
> the presence of reindeer and large Christian buildings.  Modern
> tintinnabular audio sources are used to summon school children and regulate
> boxing tournaments.
> 
> While most tintinnabular audio sources used in music are made by Turkish
> people, they can also be synthesized electronically.  Typical methods use
> amplitude or frequency modulation.  Similar sounds can also be produced by
> combining the output of a large number of oscillators -- the 808 and 606
> use an oscillator bank built from a hex schmitt trigger.  In a similar
> fashion, one could use harmonic synthesis -- modulating the amplitude of a
> number of sine waves (one for each "harmonic").  While both harmonic and FM
> synthesis are usually implemented digitally, it is much easier to produce a
> sound that follows a scale than trying use a ring mod or frequency shifter.
> It depends on what you are trying to do.  While it's not that difficult to
> make single tintinnabular sounds using filter FM (the MOTM 410 is
> surprisingly good at this) or some other method on an analogue synth,
> trying to synthesize a realistic set of tuned bells is almost impossible,
> imho.
> 
> Another method used in analogue drum machines is a "swing type VCA" which
> modulates the output of an oscillator with an envelope.  This produces a
> jagged damped waveform not unlike the output of a ring mod through a
> separate enveloped modulated VCA, except from what I can tell, it saves
> parts by using the same "multiplier" for both functions.  I'm sure there
> are other methods.
> 
> 
> 


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