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Old 10-05-2012, 06:06 PM
Hans-Christoph Steiner
 
Default Bug#689736: ITP: pd-fftease -- live spectral sound processors for Pd

Package: wnpp
Severity: wishlist
Owner: "Hans-Christoph Steiner" <hans@eds.org>


* Package name : pd-fftease
Version : 2.5.2.1
Upstream Author : Eric Lyon and Christopher Penrose
* URL : http://www.somasa.qub.ac.uk/~elyon/LyonSoftware/MaxMSP/FFTease/
* License : MIT
Programming Lang: C
Description : live spectral sound processors for Pd

FFTease is a collection of Pd objects implementing various forms of
spectral sound processing. These include an additive-synthesis phase vocoder,
noise reduction, cross synthesis, and more unusual forms of spectral
processing.
.
* bthresher~ similar to thresher~ but with more control
* burrow~ a cross-referenced filtering object
* cavoc~ an 8-rule cellular automata that generates spectra
* cavoc27~ a 27-rule cellular automata object
* centerring~ a spectral modulation object
* codepend~ a classic block convolution object
* crossx~ a cross synthesis object with gating
* dentist~ a partial knockout object
* disarrain~ an interpolating version of disarray~
* disarray~ a spectral redistribution object
* drown~ a noise reduction (or increase) object
* ether~ another spectral compositing object
* leaker~ a sieve-based cross fader
* mindwarp~ a spectral formant warping object
* morphine~ a morphing object
* multyq~ a four band filter
* presidency~ a spectral sampler with pitch control
* pvcompand~ a spectral compressor/expander object
* pvgrain~ a spectrum analyzer for granular resynthesis
* pvharm~ a harmonizer
* pvoc~ an additive synthesis phase vocoder
* pvtuner~ a spectrum quantizer for tuning to arbitrary scales
* pvwarp~ a non-linear frequency warper
* reanimator~ an audio texture mapper
* resent~ similar to residency~ but with independent bin control
* residency~ a spectral sampler useful for time scaling
* residency_buffer~ a spectral sampler that writes to an MSP buffer
* scrape~ a noise reduction (or increase) object with frequency control
* shapee~ a frequency shaping object
* swinger~ a phase swapping object
* taint~ a cross synthesis object
* thresher~ an amplitude/frequency sensitive gating object
* vacancy~ a spectral compositing object
* xsyn~ a cross synthesis with compression object
.
FFTease 2.5 objects will reconfigure themselves in response to changes in FFT
size or signal vector size. Therefore, they may now be used in MaxMSP poly~
objects with downsampling or upsampling. Changes in vector size remain
subject to limitations imposed by the current poly~ (and Pluggo)
architecture.
.
Caveat: these objects are CPU intensive. A few of these objects in a patch
could push your computer to its limits. Be very careful with playback volume
as some of the objects produce dramatically different (lower or higher)
overall levels.
.
Acknowledgements: This work draws heavily on the phase vocoder code presented
by F. Richard Moore in his classic "Elements of Computer Music." Additional
inspiration was derived from work on cross synthesis and noise reduction by
Mark Dolson at CARL in the mid-1980s. We also wish to thank Miller Puckette
and David Zicarelli for designing and implementing the framework under which
FFTease is presented.


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