[PD] Midi note handling for monophonic synth

Sat Feb 23 20:57:14 CET 2013

Joe White <white.joe4 <at> gmail.com> writes:

> 
> 
> Hi all,
> 
> I'm implementing a synth in Pd using midi/notein as an input. 
> 
> One problem I keep coming up against is handling note off messages. This guy's
blog post describes the issue
- http://kemptonmooney.com/2010/09/pure-data-midi-note-off-solution/
> 
> 
> 
> However, I think his solution is not exactly what I'm looking for. The synths
I use in Logic have note priority methods and remember all held down notes (or
at least 10). 
> 
> 
> 
> I wondering if anyone has managed to implement something like this in Pd or
might know where I can find out more about it. 
> 
> ddg.mono from Max
(http://www.cycling74.com/docs/max5/refpages/m4l-ref/ddg.mono.html) looks
similar to what I want - but I don't use Max and I don't think I can access the
source. 
> 
> 
> Any ideas?
> 
> Thanks,
> Joe
> 
> 
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Joe:

I read you message witha 2 years delay. jeje, I am making a course about how to
build a Virtual Analog Sinthesizer with pure data on My Youtube Chanel:

www.youtube.com/user/canalpuredata

I've got a solution to that MONO MIDI problem using Vanilla ( I don't like
lybraries) so I hope it will be usefull for you.

Thats My Patch:
__________________________________________________________________________

#N canvas 0 22 327 401 10;
#X obj 56 42 notein;
#X obj 45 100 - 1;
#X obj 45 125 pack 0 0 0;
#N canvas 0 22 227 376 guardaNotas 0;
#X obj 50 83 unpack 0 0 0;
#N canvas 0 22 247 267 ++ 0;
#X obj 41 40 inlet;
#X obj 110 41 inlet;
#X obj 41 99 f;
#X obj 41 133 + 1;
#X msg 110 82 0;
#X obj 41 165 outlet;
#X msg 41 73 bang;
#X connect 0 0 6 0;
#X connect 1 0 4 0;
#X connect 2 0 3 0;
#X connect 3 0 2 1;
#X connect 3 0 5 0;
#X connect 4 0 2 1;
#X connect 6 0 2 0;
#X restore 50 224 pd ++;
#X obj 50 49 inlet;
#X obj 50 282 *;
#X obj 84 265 > 0;
#X msg 50 198 bang;
#X text 106 228 evita cuenta eterna;
#X obj 104 207 r \$0-ordenreset;
#X obj 92 127 tabwrite \$0-velocity;
#X obj 32 166 tabwrite \$0-nota;
#X obj 50 307 tabwrite \$0-orden;
#X connect 0 0 5 0;
#X connect 0 0 9 0;
#X connect 0 1 4 0;
#X connect 0 1 8 0;
#X connect 0 2 8 1;
#X connect 0 2 9 1;
#X connect 0 2 10 1;
#X connect 1 0 3 0;
#X connect 2 0 0 0;
#X connect 3 0 10 0;
#X connect 4 0 3 1;
#X connect 5 0 1 0;
#X connect 7 0 1 1;
#X restore 72 195 pd guardaNotas;
#X msg 45 147 \$2 \$3 \$1;
#X obj 45 170 t b l;
#N canvas 0 22 309 311 changeNote 0;
#X text 91 9 evita redundancia.;
#X obj 70 51 inlet;
#X obj 109 104 unpack;
#X obj 142 171 &&;
#X obj 70 76 t l l;
#X obj 70 210 spigot;
#X obj 109 138 == -1;
#X obj 157 138 == -1;
#X obj 142 193 == 0;
#X obj 179 102 unpack;
#X obj 70 243 outlet;
#X connect 1 0 4 0;
#X connect 2 0 6 0;
#X connect 2 1 7 0;
#X connect 3 0 8 0;
#X connect 4 0 5 0;
#X connect 4 1 2 0;
#X connect 5 0 9 0;
#X connect 5 0 10 0;
#X connect 6 0 3 0;
#X connect 7 0 3 1;
#X connect 8 0 5 1;
#X connect 9 0 6 1;
#X connect 9 1 7 1;
#X restore 45 248 pd changeNote;
#X obj 45 274 unpack;
#X obj 89 316 outlet;
#X obj 42 317 outlet;
#X obj 56 70 poly 10;
#N canvas 386 100 412 676 note 0;
#X obj 63 66 t b b b;
#X text 18 603 mensaje midi;
#X obj 63 31 inlet;
#X obj 63 619 outlet;
#X obj 86 254 moses 0;
#X msg 179 237 0;
#X floatatom 191 280 5 0 0 0 - - -;
#X obj 125 351 f;
#X text 198 257 saca numero mayor;
#X obj 63 368 f;
#X obj 113 181 t f f;
#X text 187 349 numero mayor;
#X text 110 369 indice;
#X floatatom 168 385 5 0 0 0 - - -;
#X msg 125 321 bang;
#X obj 125 279 t f f;
#X obj 63 395 t f f;
#X obj 63 582 pack;
#X text 43 554 memoria ultima nota;
#X obj 53 492 t f f b;
#N canvas 733 352 236 271 cuenta11 0;
#X obj 56 160 + 1;
#X obj 56 112 until;
#X obj 56 87 t f b;
#X msg 114 120 -1;
#X obj 56 137 f;
#X obj 56 38 inlet;
#X obj 56 184 outlet;
#X msg 56 64 11;
#X connect 0 0 4 1;
#X connect 0 0 6 0;
#X connect 1 0 4 0;
#X connect 2 0 1 0;
#X connect 2 1 3 0;
#X connect 3 0 4 1;
#X connect 4 0 0 0;
#X connect 5 0 7 0;
#X connect 7 0 2 0;
#X restore 113 128 pd cuenta11;
#X msg 147 509 10;
#X obj 235 436 sel 10;
#X text 171 455 reset orden \, evita cuenta eterna;
#X text 149 404 si llega a 10 en "0" \, note off;
#X obj 235 479 s \$0-ordenreset;
#X obj 113 207 tabread \$0-orden;
#X obj 84 434 tabread \$0-velocity;
#X obj 63 462 tabread \$0-nota;
#X obj 72 534 tabwrite \$0-nota;
#X connect 0 0 9 0;
#X connect 0 1 20 0;
#X connect 0 2 5 0;
#X connect 2 0 0 0;
#X connect 4 1 15 0;
#X connect 5 0 4 1;
#X connect 6 0 4 1;
#X connect 7 0 9 1;
#X connect 9 0 13 0;
#X connect 9 0 16 0;
#X connect 10 0 26 0;
#X connect 10 1 7 1;
#X connect 14 0 7 0;
#X connect 15 0 14 0;
#X connect 15 1 6 0;
#X connect 16 0 28 0;
#X connect 16 1 22 0;
#X connect 16 1 27 0;
#X connect 17 0 3 0;
#X connect 19 0 17 0;
#X connect 19 1 21 0;
#X connect 19 1 29 0;
#X connect 20 0 10 0;
#X connect 21 0 29 1;
#X connect 22 0 25 0;
#X connect 26 0 4 0;
#X connect 27 0 17 1;
#X connect 28 0 19 0;
#X restore 45 218 pd note;
#X obj 136 45 table \$0-nota 11;
#X obj 136 67 table \$0-velocity 11;
#X obj 136 89 table \$0-orden 11;
#X connect 0 0 10 0;
#X connect 0 1 10 1;
#X connect 1 0 2 0;
#X connect 2 0 4 0;
#X connect 4 0 5 0;
#X connect 5 0 11 0;
#X connect 5 1 3 0;
#X connect 6 0 7 0;
#X connect 7 0 9 0;
#X connect 7 1 8 0;
#X connect 10 0 1 0;
#X connect 10 1 2 1;
#X connect 10 2 2 2;
#X connect 11 0 6 0;

________________________________________________________________________

Un abrazo!

                Claudio Nervi.

www.claudionervi.com