freeware http://www.fredrikolofsson.com/ http://github.com/redFrik/f0ext			some externals for max
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f0.snap	External		smooth input values by snapping
f0.tune	External		frequency quantiser
f0.tune~	External		frequency quantiser
f0.ultimate_counter	External		counter with float direction/rate and loop settings
f0.wrap	External		wrap float or integer numbers
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