<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform ; Audio out Audio in -odac -iadc ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o tempest.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Initialize the global variables. sr = 44100 kr = 4410 ksmps = 10 nchnls = 1 ; Instrument #1. instr 1 ; Use the "beats.wav" sound file. asig soundin "beats.wav" ; Extract the pitch and the envelope. kcps, krms pitchamdf asig, 150, 500, 200 iprd = 0.01 imindur = 0.1 imemdur = 3 ihp = 1 ithresh = 30 ihtim = 0.005 ixfdbak = 0.05 istartempo = 110 ifn = 1 ; Estimate its tempo. k1 tempest krms, iprd, imindur, imemdur, ihp, ithresh, ihtim, ixfdbak, istartempo, ifn printk2 k1 out asig endin </CsInstruments> <CsScore> ; Table #1, a declining line. f 1 0 128 16 1 128 1 ; Play Instrument #1 for two seconds. i 1 0 2 e </CsScore> </CsoundSynthesizer>