+= — 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. It uses the file 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>