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<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 follow.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>
sr = 44100
ksmps = 32
nchnls = 2
0dbfs = 1
instr 1
asig soundin "beats.wav"
outs asig, asig
endin
instr 2 ;envelope follower
as soundin "beats.wav"
as = as*.7 ;reduce volume a bit
at tone as, 500 ;smooth estimated envelope
af follow at, p4
asin poscil3 .5, 440, 1
; "beats.wav" provides amplitude for poscil
asig balance asin, af
outs asig, asig
endin
</CsInstruments>
<CsScore>
;sine wave.
f 1 0 32768 10 1
i 1 0 2
i 2 2 2 0.001 ;follow quickly
i 2 5 3 0.2 ;follow slowly
e
</CsScore>
</CsoundSynthesizer>
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