I believe help browser Pure Data/3.audio.examples/IO9.sheep.from.goats.pd does something like that too.
Tim

2011/4/9 Hans-Christoph Steiner <hans@at.or.at>

You could try playing with William Brent's timbreID library.  For sss and fffff you would basically look for a noisy (i.e. non-pitched) sound.

.hc


On Apr 7, 2011, at 10:50 AM, ZÉ Oliveira wrote:

Hello all.
I´m trying to find or eventualy bild up, for pure data, some sibilant detection objects or patches
To detect  Ssss... Zzzz.... Chhhh... sounds in speach, also Ffffff and Vvvvv eventualy. To generate some visual interaction.

Can some one guide me in to this field?
Thanks

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