<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-odac     ;;;RT audio out
;-iadc    ;;;uncomment -iadc if RT audio input is needed too
; For Non-realtime ouput leave only the line below:
; -o cent.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

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

instr 1	; original pitch
  
iroot = 440	; root note = A (440 Hz)

print iroot	;print out

asig oscili 0.6, iroot, 1 
     outs asig, asig

endin

instr 2
  
iroot   = 440	; root note = A (440 Hz)
icents  = p4	; change root note by 300 and 1200 cents

ifactor = cent(icents) ; calculate new note
inew    = iroot * ifactor

print iroot	; Print all
print ifactor
print inew

asig oscili 0.6, inew, 1 
     outs asig, asig

endin

</CsInstruments>
<CsScore>
; sine wave
f1 0 32768 10 1

i 1 0  2  0	;no change
i 2 2.5 2 300	;note = C above A
i 2 5  2 1200	;1 octave higher 

e

</CsScore>
</CsoundSynthesizer>