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<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if RT audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o timedseq.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 giseq ftgen 0,0,128,-2, 2, 0, 0.5, 8.00,\ ;first note 2, 1, 0.5, 8.02,\ ;second note 2, 2, 0.5, 8.04,\ ;third 2, 3, 0.5, 8.05,\ ;fourth 2, 4, 0.5, 8.07,\ ;fifth 2, 5, 0.5, 8.09,\ ;sixth 2, 6, 0.5, 8.11,\ ;seventh 2, 7, 0.5, 9.00,\ ;eight note 2, 8, 0.5, 8.00,\ ;due to a quirk in the opcode, it needs an extra note - a copy of the first note -1, 8, -1, -1 ;last line is a dummy event that indicates to timedseq when to loop back to the beginning instr 1 ibeats = 8 ;lengths of sequence in beats itempo = p4 ;tempo iBPS = itempo/60 ;beats per second kphase phasor iBPS/ibeats ;phasor to move through table kpointer = kphase*ibeats ;multiply phase (range 0 - 1) by the number of beats contained within the sequence kp1 init 0 kp2 init 0 kp3 init 0 kp4 init 0 ktrigger timedseq kpointer, giseq, kp1, kp2,kp3, kp4 schedkwhen ktrigger, 0, 0, 2, 0, kp3/abs(iBPS), kp4 ;p3 values have been scaled according to tempo so that they maesure beats rather than seconds endin ;abs(iBPS)(absolute value) is used because the tempo provided by the fourth note of the score is negative. ;Durations here should be positive, because negative values for duration would indicate a held note. instr 2 aenv linseg 0,0.01,1,p3-0.01,0 ;amplitude envelope asig vco2 0.4, cpspch(p4), 4, 0.5 outs asig*aenv, asig*aenv endin </CsInstruments> <CsScore> i 1 0 4 120 i 1 + . 240 i 1 + . 480 i 1 + . -480 ;when negative it plays backwards e </CsScore> </CsoundSynthesizer>