[PD] changing volume depending on frequency

Frank Barknecht fbar at footils.org
Sat Jul 14 11:39:19 CEST 2007

Andy Farnell hat gesagt: // Andy Farnell wrote:

> One thing you might like to look at is the Fletcher Munsen curve. There isn't a
> hard mathematical relationship between perceived amplitude (loudness) and 
> frequency, it's more of a biological and psychoacoustic effect, and somewhat
> subjective between listeners. 
> http://ccrma.stanford.edu/CCRMA/Courses/SummerWorkshops/96/Psychoacoustics/labs/loudness/
> The Pd solution to this is to use lookup tables to scale amplitude, a bit less
> fiddly than setting up a piecewise function.

Also see [mtx_phon_curve] in Iemmatrix.

 Frank Barknecht                 _ ______footils.org_ __goto10.org__

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