Hi, Joakim:
This note is just a quickie. I'm working with your file, having
trouble even getting some amplitudes from it. I'll be working with it
tonight and tomorrow, hopefully will be able to tell you something
useful soon.
Best regards,
== Dave Phillips
The Book Of Linux Music & Sound at http://www.nostarch.com/lms.htm
The Linux Soundapps Site at http://sound.condorow.net
Joakim Verona wrote:
>
> hello,
>
> im fairly new to csound, and im building a simple analog synthesizer
> which should be midi controllable.
>
> this midi instrument should cooperate with other softsynths on the same
> midi port.
> therefore i want to use the massign operator to tell csound which midi
> channel the instrument should listen to.
>
> this behaves very strangely, because the instrument is randomly assigned
> to any incomming midi channel.
>
> output from csound is below.
> i want the instrument to respond to channel 15, and to be quiet on all
> other channels.
> i made a dummy quiet intrument(2) and assigned all other channels to this.
> in the beginning of the trace you can see that all these assignments
> appear to work.
>
> later on, when actual midi data arrives, the assignments are remade, for
> no apparent reason, so
> that it for instance listens to channel 10, the drum channel.
>
> csound doesnt allways do this random reassignment, and i dont know why.
>
> i attach the instrument as well, wich is rather messy at the moment. it
> is mainly an adaption of various recipies i have found
> in the csound manual and from the csound book.
>
> [joakim@motoko mycsound]$ csound -b 100 -B 5000 -dm6 --sched
> --outcard=0 -M /dev/snd/midiC2D0 moog_2.csd
> Using /usr/local/lib/csound/4.11.0.0a/csound.txt
> Unofficial Linux Csound Version v4.11.0.0a (Apr 21 2001)(floats are floats)
> BEWARE: this is not the canonical version! (caveat emptor)
> Please report bugs of this version to
> http://www.ilogic.com.au/cgi-bin/csound-bugs
> UnifiedCSD: moog_2.csd
> STARTING FILE
> Creating options
> Creating orchestra
> Creating /tmp/fileWbq6SZ.orc (0x8051e48)
> Creating score
> orchname: /tmp/fileWbq6SZ.orc
> scorename: /tmp/file2xVzER.sco
> sorting score ...
> ... done
> orch compiler:
> 201 lines read
> instr 1
> instr 2
> Unofficial Linux Csound Version v4.11.0.0a (Apr 21 2001)(floats are floats)
> midi channel 1 using instr 1
> displays suppressed
> chnl 15 using instr 1
> massign: chnl 15 exists, ctrls now defaults
> chnl 1 using instr 2
> chnl 2 using instr 2
> chnl 3 using instr 2
> chnl 4 using instr 2
> chnl 5 using instr 2
> chnl 6 using instr 2
> chnl 7 using instr 2
> chnl 8 using instr 2
> chnl 9 using instr 2
> chnl 10 using instr 2
> chnl 11 using instr 2
> chnl 12 using instr 2
> chnl 13 using instr 2
> chnl 14 using instr 2
> chnl 16 using instr 2
> orch now loaded
> audio buffered in 100 sample-frame blocks
> hardware buffers set to 16384 bytes
> Scheduler set to Round Robin with priority 99...
> writing 400-byte blks of shorts to dac
> SECTION 1:
> ftable 1:
> midi channel 1 now using instr 1
> midi channel 10 now using instr 1
> midi channel 1 now using instr 1
> new alloc for instr 1:
> opening /dev/midi00 as MIDI out
>
> --
> Joakim Verona
>
> www.verona.se
> [EMAIL PROTECTED]
>
> ------------------------------------------------------------------------
> <CsoundSynthesizer>
> ;moog_2 instrument adapteb from csoundbook example by jave
> ; velocity sensitivity: added a ampmidi operator
> ; pitchbend: made a new kcps variable, which i used whenever possible, expseg
>requres an ivalue however
>
> ; TODO
> ;pan; perhaps kval midictrl 10 (10 is coarse pan controller)
> ;reverb
> ;chorus
> ;delay
>
> <CsOptions>
>
> </CsOptions>
>
> <CsInstruments>
>
> massign 15, 1 ;bind instr 1 to midi channel 15
> ;bind instr 2 to midi channel 1, just to shut up csound there
> massign 1, 2
> massign 2, 2
> massign 3, 2
> massign 4, 2
> massign 5, 2
> massign 6, 2
> massign 7, 2
> massign 8, 2
> massign 9, 2
> massign 10, 2
> massign 11, 2
> massign 12, 2
> massign 13, 2
> massign 14, 2
>
> massign 16, 2
>
> sr = 44100
> kr = 441
> ksmps = 100
> nchnls = 2
>
> instr 1
>
> inum notnum
> kcps cpsmidib 8
> icps cpsmidib 8
> iveloc ampmidi 1
> kpan midictrl 10
>
> krez midic7 1, .1, 1
> kfco midic7 2, 100, 4000
>
> iamp = 20000
> iamp2 = 400
> kl1 midic7 3, 0, 4
> kl2 midic7 4, 0, 6
> kdetune midic7 5, .99, 1.01
>
> klfo oscil kl1, kl2, 1
> klfo = klfo + kl1
> apulse1 buzz 1, kcps+klfo * .5, sr*.5/kcps*.5, 1
> apulse2 buzz 1, kcps*kdetune, sr*.5/(kcps*kdetune), 1
>
> apulse1 = (apulse1+apulse2)*.5
>
> asaw integ apulse1
> ax = asaw-.5
> k1 expseg icps * 16, 4, icps * 4
>
> ayn moogvcf ax, k1, krez
> kmgate = 1;linsegr 0, .1, 1, 1, .5, .25, 0 ;makes the note length follow
>the midi note length(?), but what about delay?
>
> ;stuff for handling release(i thought kmgate handled this?)
> xtratim 1 ;extra-time, i.e. release dur
> krel init 0
> krel release ;outputs release-stage flag (0 or 1 values)
> if krel == 1 kgoto rel ;if in release-stage goto release section
> ;
> ;************ attack and sustain section ***********
>
> kmp1 linseg 0, .03, 1, .05, 1, .07, 0, .08, .5, 4, 1, 50, 1
> kmp = kmp1*iamp2
> kmp3=1
> kgoto done
> ;
> ;--------- release section --------
> rel:
> kmp2 linseg 1, .3, .2, .7, 0
> kmp = kmp1*kmp2*iamp
> kmp3=0
> done:
> ;------
> ; a1 oscili kmp, icps, 1
> ; out a1
>
> aout = iveloc*ayn * iamp * kmp3
>
> ;the delayline
> adly delayr 0.3
> delayw aout + 0.5*adly
>
> outs aout+adly,aout+adly
> ; outs apulse1*20000,ayn
>
> endin
>
> instr 2
> endin
>
> </CsInstruments>
>
> <CsScore>
> f1 0 8192 10 1 ;used by buzz
>
> f0 10000
> e
> </CsScore>
>
> </CsoundSynthesizer>
--
