sum

sum — Sums any number of a-rate signals.

Description

Sums any number of a-rate signals.

Syntax

ares sum asig1 [, asig2] [, asig3] [...]

Performance

asig1, asig2, ... -- a-rate signals to be summed (mixed or added).

Examples

Here is an example of the sum opcode. It uses the file sum.csd.

Example 858. Example of the sum 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 sum.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs  = 1

gisine ftgen 0, 0, 2^10, 10, 1

instr 1

a1   oscili 1, 10.0, gisine		;combine 3 sinusses
a2   oscili 1, 1.0, gisine		;at different rates
a3   oscili 1, 3.0, gisine
ares sum a1, a2, a3			;sum them

ares = ares*100				;scale result and
asig poscil .5, ares+110, gisine	;add to frequency			
     outs asig, asig

endin
</CsInstruments>
<CsScore>

i1 0 5
e
</CsScore>
</CsoundSynthesizer>


Credits

Author: Gabriel Maldonado
Italy
April 1999

New in Csound version 3.54