+= — Performs add and assignment.
+= - Adds the value of the expression iarg (karg, xarg) into the named result. This provides a means of saving an evaluated result for later use.
Here is an example of the plusbecomes opcode. Play reverb.csd
Example 28. Example of the plusbecomes opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o reverb.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 0dbfs = 1 nchnls = 2 ga1 init 0 instr 1 asig poscil .2, cpspch(p4), 1 outs asig, asig ga1 += asig ;add direct signal to global reverb endin instr 99 ;(highest instr number executed last) arev reverb ga1, 1.5 outs arev, arev ga1 = 0 ;clear endin </CsInstruments> <CsScore> f 1 0 128 10 1 ;sine i 1 0 0.1 7.00 ;short sounds i 1 1 0.1 8.02 i 1 2 0.1 8.04 i 1 3 0.1 8.06 i 99 0 6 ;reverb runs for 6 seconds e </CsScore> </CsoundSynthesizer>