File: lpfreson.csd

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csound-manual 1%3A6.02~dfsg-2
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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 lpfreson.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs  = 1
;do not use -a option when analyzing "fox.wav" with lpfreson,
;it needs a filter coefficient type of file
instr 1

ilen  filelen "fox.wav"	; length of soundfile
prints "fox.wav = %f seconds\\n",ilen

ktime line 0, p3, p4
krmsr,krmso,kerr,kcps lpread ktime,"fox_nopoles.lpc"
krmso = krmso*.00001			; low volume
asig  buzz krmso, kcps, int(sr/2/kcps), 1 ; max harmonics without aliasing
aout  lpfreson asig, 1.2
asig  clip aout, 0, 1			; prevents distortion
      outs asig, asig

endin
</CsInstruments>
<CsScore>
; sine
f1 0 4096 10 1

i 1 0 2.8 1	; first words only
i 1 4 2.8 2.8	; whole sentence
e
</CsScore>
</CsoundSynthesizer>