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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