[chuck-users] Granular synthesis in ChucK (was: Re: [livecode] granular music recommendations?)

Peter Todd chuck at xinaesthetic.net
Thu May 22 11:10:03 EDT 2008

I'd suggest it can even be generalised a little more than Kassen has
described; grains may be purely synthesised, rather than using a signal in a
buffer.  Also, I noticed someone posted this link from Sound On Sound
before; it seems to function as a good intro, so I'll repeat it:


On Thu, May 22, 2008 at 2:54 PM, Kassen <signal.automatique at gmail.com>

> 2008/5/22 Martin Ahnelöv <operagasten at gmail.com>:
>> I'm not 100% sure I understand the concept of
>> granular synthesis, and I can't afford a book right now, so I'm asking
>> if you guys got an example/demo of the technique which I could study
>> (preferably in ChucK)?
> Well, the basic idea is to take some signal in a buffer and play back bits
> (grains) of it, especially small bits, typically around 50::ms (give or take
> a few octaves). The 50::ms comes from that being the threshold where human
> hearing will still detect pitch (20Hz) You can play back just a few grains
> every once in a while, resulting in a rhythmical pattern or lots&lots of
> them for noisy textures. A simple intro is found here as well;
> http://en.wikipedia.org/wiki/Granular_synthesis
> There are some examples in the LiSa examples ( /examples/special/ ), but
> those might not be general enough for you.
> I'll cook up a example for you tonight or tomorrow or so, could be fun. :¬)
> Kas.
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