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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out Audio in
-odac ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o pvsbufread.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>
sr = 44100
ksmps = 16
nchnls = 1
0dbfs = 1
;; example written by joachim heintz 2009
opcode FileToPvsBuf, iik, Siiii
;;writes an audio file at the first k-cycle to a fft-buffer (via pvsbuffer)
Sfile, ifftsize, ioverlap, iwinsize, iwinshape xin
ktimek timeinstk
if ktimek == 1 then
ilen filelen Sfile
kcycles = ilen * kr; number of k-cycles to write the fft-buffer
kcount init 0
loop:
ain soundin Sfile
fftin pvsanal ain, ifftsize, ioverlap, iwinsize, iwinshape
ibuf, ktim pvsbuffer fftin, ilen + (ifftsize / sr)
loop_lt kcount, 1, kcycles, loop
xout ibuf, ilen, ktim
endif
endop
instr 1
ifftsize = 1024
ioverlap = ifftsize / 4
iwinsize = ifftsize
iwinshape = 1; von-Hann window
ibuffer, ilen, k0 FileToPvsBuf "fox.wav", ifftsize, ioverlap, iwinsize, iwinshape
ktmpnt linseg ilen, p3, 0; reads the buffer backwards in p3 seconds
fread pvsbufread ktmpnt, ibuffer
aout pvsynth fread
out aout
endin
</CsInstruments>
<CsScore>
i 1 0 5
e
</CsScore>
</CsoundSynthesizer>
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