In the example below from the floss manual, there is a kModFactor value which is not used elsewhere. Could someone explain me why?
EXAMPLE 04D09_PhaseMod.csd
<CsoundSynthesizer>
<CsOptions>
-o dac
</CsOptions>
<CsInstruments>
sr = 48000
ksmps = 32
nchnls = 2
0dbfs = 1
instr 1 ; simple PM-Synth
kCarFreq = 200
kModFreq = 280
kModFactor = kCarFreq/kModFreq
kIndex = 12/6.28 ; 12/2pi to convert from radians to norm. table index
aEnv expseg .001, 0.001, 1, 0.3, 0.5, 8.5, .001
aModulator poscil kIndex*aEnv, kModFreq, 1
aPhase phasor kCarFreq
aCarrier tablei aPhase+aModulator, 1, 1, 0, 1
outs (aCarrier*aEnv), (aCarrier*aEnv)
endin
</CsInstruments>
<CsScore>
f 1 0 1024 10 1 ;Sine wave for table 1
i 1 0 9
</CsScore>
</CsoundSynthesizer>
; written by Alex Hofmann (Mar. 2011