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pg.mel~
 External 

Spectrum above the mel scale and MFCCs. 
pg.scale
 External 

A scale object with autoscale mode and boundary mode. 
3Dmatrix
 External 

perform matrixoperations on 3Dpoints: translate / scale / rotate / skew 
@
 Abstraction 

scales a standard slider (ranging from 0 to 127) between min and max. scales a standard slider (ranging from 0 to 127) between min and max. The type of the first argument specifies the output type. 
aleamapper
 External 

Prinipally designed for the MaxAlea objects, the middle outlet outputs input variables below the minin boundry, the right outlet outputs input above the maxin boundry. A kind of combination of the scale and clip objects. Prinipally designed for the MaxAlea objects, the middle outlet outputs input variables below the minin boundry, the right outlet outputs input above the maxin boundry. Allows a finetuning of scaled boundries and/or a utilisation of data which falls outside these boundries. May also be used to zoom into a particular region of a distribution. When creating discrete variables from continous, the upper boundry must be increased by one more than the value wished.That is, for values between 0 and 127 one selects 0 and 128. 
Alpha controls the shape, beta the scale."
 External 


apass2~
 Abstraction 

allpass filter This is a secondorder IIR (infinite impulse response) allpass filter which performs a symmetric (log scale) phase shift, without modifying the frequency content of the input signal. 
au.grayscale
 External 

fast accurate b+w conversion 
au.scale
 External 

completely smooth zoom in / zoom out 
au.self.scale
 External 

autoscale based on data in each frame 
bargraf~
 External 

BETA for Max5 available !
draws the signal level (dB, exp scale) 
betweenlin
 Abstraction 

random based object Bang (or any input) in left inlet outputs a random number of a linear scale between min and max with a certain number of elements. 
betweenlinurn
 Abstraction 

random based object Bang (or any input) in left inlet outputs a random number of a linear scale between min and max with a certain number of elements. An already chosen element is blocked until all the others have been selected ("repetition check"). 
betweenlog
 Abstraction 

random based object Bang (or any input) in left inlet outputs a random number of a logarithmic scale between min and max with a certain number of elements. 
betweenlogurn
 Abstraction 

random based object Bang (or any input) in left inlet outputs a random number of a logarithmic scale between min and max with a certain number of elements. An already chosen element is blocked until all the others have been selected ("repetition check"). 
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Libraries  
KNLib 2.7

Roland Cahen 
KNLib is a collection of everyday abstraction tools. It contains mouse and keyboards facilities, converters, calculation, random, interval and scale generators, midi utilities...etc
(The old version is no longer available.
If necessary it can be downloades at :
ftp://ftp.forumnet.ircam.fr/pub/max/FAT/misc) 
KnLib2.8.1

Roland Cahen 
KNLib 2.8 is a collection of everyday abstraction tools. It contains mouse and keyboards facilities, converters, calculation, random, interval and scale generators, midi utilities...etc
Most of them are finished, a few are in progress. 
Modal Object Library

V.j. Manzo 
The Modal Object Library is a collection of objects for Max/MSP that control modality.
Included are objects for all 28 diatonic modes (scales), the Messiaen modes, chords, triads, progressions, modal relationships and modal analysis. This library would be especially useful to those interested in algorithmic composition and interactive music systems.
Free registration is required. Registration forum offers patches, and objects based on this library.
created by V.J. Manzo
www.vjmanzo.com/mol  www.vincemanzo.com 
SFA Max/MSP Library

Stefano Fasciani 
The SFAMaxLib is a collection of Max/MSP objects developed in the context of the VCI4DMI. It includes functions and utilities in the form of FTM externals, FTM abstractions and Max abstractions. FTM is a shared library for Max/MSP developed by IRCAM, which provides a small and simple realtime object system and a set of optimized services to be used within Max/MSP externals.
List of FTM Externals: sfa.eig  eigenvalues; sfa.inputcombinations  combination generator; sfa.levinson  levinsondurbin recursion; sfa.lpc2cep  lpc to cepstra conversion; sfa.rastafilt  rasta filter; sfa.rmd  relative mean difference; sfa.roots  polynomial roots;
List of Abstractions: sfa.bark.maxpat  energy of the Bark bands from time domain frame;sfa.bark2hz_vect.maxpat  Herts to Bark conversion;sfa.barkspect.maxpat  energy of the Bark bands from spectrum; sfa.ceil.maxpat  ceil function; sfa.featfluxgate.maxpat  gated distance on stream of feature vectors; sfa.fft2barkmx.maxpat  utility subabstraction of sfa.bark; sfa.fft2barkmxN.maxpat  utility subabstraction of sfa.barkspect; sfa.hynek_eq_coeff.maxpat  hynek equalization coefficients; sfa.hz2bark.maxpat  Hertz to Bark conversion; sfa.hz2bark_vect.maxpat  Hertz to Bark conversion for vectors; sfa.hz2mel.maxpat  Hertz to Mel conversion; sfa.idft_real_coeff.maxpat  utility subabstraction of sfa.rastaplp; sfa.maxminmem.maxpat  minimum and maximum of a stream of data; sfa.mfcc.maxpat  MFCC coefficients; sfa.modalphafilter.maxpat  1st order IIR lowpass on a stream of vectors; sfa.nonlinfeqscale.maxpat  linear spectrum to Bark or Mel scale conversion; sfa.rastaplp.maxpat  PLP and RASTAPLP coefficients; sfa.spectmoments.maxpat  4 spectral moments (centroid, deviation, skewness, kurtosis); sfa.3spectmoments+flatness.maxpat  3 spectral moments (centroid, deviation, skewness) and the spectral flatness; sfa.spectralflux.maxpat  spectral flux on stream of spectrum vectors; sfa.spectralfluxgate.maxpat  gated spectral flux on stream of spectrum vectors; sfa.std.maxpat  standard deviation; sfa.win_to_fft_size.maxpat  smaller FFT size given frame size; sfa.GCemulator.maxpat – 3D gestural controller emulator; 











