<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   Audio in    No messages
-odac           -iadc     -d     ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o trlowest.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

; Initialize the global variables.
sr = 48000
;kr = 4410
ksmps = 128
nchnls = 2


instr 1

ain     diskin2 "beats.wav", 1
fs1,fsi2	pvsifd ain,2048,512,1		; ifd analysis
fst	partials	fs1,fsi2,.003,1,3,500  ; partial tracking
flow,kfr,kamp	trlowest	fst,1		; lowest freq-track 
aout	tradsyn	flow, 1, 1, 1, 1		; resynthesis of lowest frequenc
	outs	aout*2, aout*2

endin


</CsInstruments>
<CsScore>
f1 0 8192 10 1

i 1 0 3

e

</CsScore>
</CsoundSynthesizer>