pd/extra complex-mod~-help.pd, NONE, 1.1.6.1 hilbert~-help.pd, NONE, 1.1.6.1 rev1~-help.pd, NONE, 1.1.6.1 rev2~-help.pd, NONE, 1.1.6.1 rev3~-help.pd, NONE, 1.1.6.1 hilbert~.pd, 1.2, 1.2.2.1 - Pd-cvs

20 Apr 2007


      Update of /cvsroot/pure-data/pd/extra
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2352
Modified Files:
      Tag: branch-v0-39-2-extended
    hilbert~.pd 
Added Files:
      Tag: branch-v0-39-2-extended
    complex-mod~-help.pd hilbert~-help.pd rev1~-help.pd 
    rev2~-help.pd rev3~-help.pd 
Log Message:
merged in pd/extra changes from MAIN/HEAD since the help files were missing in 0.39-2
--- NEW FILE: rev2~-help.pd ---
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#X text 281 8 REV2~ - a simple 1-in , 4-out reverberator;
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#X text 231 37 The creation arguments (level , liveness , crossover
frequency , HF damping) may also be supplied in four inlets as shown.
The "liveness" (actually the internal feedback percentage) should be
100 for infinite reverb , 90 for longish , and 80 for short. The
crossover frequency and HF damping work together: at frequencies above
crossover , the feedback is diminished by the "damping" as a percentage.
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through.;
#X text 132 130 (60 for;
#X text 115 150 middle C);
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--- NEW FILE: hilbert~-help.pd ---
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#X msg 137 188 bang ; pd dsp 1;
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#X text 71 319 The Hilbert transform (the name is abused here according to computer music tradition) puts out a phase quadrature version of the input signal suitable for signal sideband modulation via complex-mod~.;
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Index: hilbert~.pd
===================================================================
RCS file: /cvsroot/pure-data/pd/extra/hilbert~.pd,v
retrieving revision 1.2
retrieving revision 1.2.2.1
diff -C2 -d -r1.2 -r1.2.2.1
*** hilbert~.pd	18 May 2005 04:28:32 -0000	1.2
--- hilbert~.pd	20 Apr 2007 03:33:44 -0000	1.2.2.1
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! #X text 32 210 This is a pair of 4th-order all-pass filters whose outputs
  somehow manage to be about 90 degrees out of phase from each other.
  Both have different phases from the original. Adapted from a 4X patch
  by Emmanuel Favreau , circa 1982;
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! #X text 34 232 This is a pair of 4th-order all-pass filters whose outputs
  somehow manage to be about 90 degrees out of phase from each other.
  Both have different phases from the original. Adapted from a 4X patch
  by Emmanuel Favreau , circa 1982;
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--- NEW FILE: complex-mod~-help.pd ---
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#X text 93 351 The complex modulator takes two signals in which it considers to be the real and imaginary part of a complex-valued signal. It then does a complex multiplication by a sinusoud to shift all frequencies up or down by any frequency shift in Hz. See also hilbert~.;
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#X text 236 56 The creation arguments (level , liveness , crossover
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The "liveness" (actually the internal feedback percentage) should be
100 for infinite reverb , 90 for longish , and 80 for short. The
crossover frequency and HF damping work together: at frequencies above
crossover , the feedback is diminished by the "damping" as a percentage.
So zero HF damping means equal reverb time at all frequencies , and
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through.;
#X text 236 29 (A more expensive , presumably better , one than rev2~.)
;
#X text 470 352 modified for Pd version 0.37-1;
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#X text 428 167 This is an experimental reverberator design composed
of a series of allpass filters with exponentially growing delay times.
Each allpass filter has a gain of 0.7. The reverb time is adjusted
by adjusting the input gains of the allpass filters. The last unit
is modified so that its first two "echos" mimic those of an allpass
but its loop gain depends on reverb time.;
#X text 430 299 Reverb time is controlled by specifying the dB gain
(100 normal) after one second , so that 100 corresponds to infinite
reverb time , 70 to two seconds , 40 to one second , and 0 to 0
;
#X text 671 499 modified for Pd version 0.30.;
#X msg 560 34 ; pd dsp 1;
#X text 427 475 The rev1~ module eats about 18% of my 300mHz P2 machine.
;
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#X text 428 381 The "clear" button impolitely clears out all the delay
lines , You may immediately resume pumping the reverberator , but
the input signal should be cleanly enveloped. The output , too ,
must be enveloped and may not be opened until 5 msec after the "clear"
message is sent.;
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