Sophie

Sophie

distrib > Fedora > 15 > i386 > by-pkgid > 6ed14ebfd686aa32f7956e552aa2e21d > files > 2357

csound-manual-5.13.0-5.fc15.noarch.rpm

<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 abs.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>
; test instrument for pdhalf opcode
instr 4

    idur        = p3
    iamp        = p4
    ifreq       = p5
    itable      = p6
    
    aenv        linseg      0, .001, 1.0, idur - .051, 1.0, .05, 0
    aosc        phasor      ifreq
    kamount     linseg      0.0, 0.02, -0.99, 0.05, -0.9, idur-0.06, 0.0
    apd         pdhalf      aosc, kamount
    aout        tablei      apd, itable, 1
    
                out         aenv*aout*iamp      
endin

</CsInstruments>
<CsScore>
f1 0 16385 10 1
f2 0 16385 10 1 .5 .3333 .25 .5
f3 0 16385  9 1 1 270           ; inverted cosine

; descending "just blues" scale

; pdhalf with cosine table
; (imitates the CZ-101 "sawtooth waveform")
t 0 100
i4 0 .333 10000 512     3
i. + .    .     448
i. + .    .     384
i. + .    .     358.4
i. + .    .     341.33
i. + .    .     298.67
i. + 2    .     256
e
</CsScore>
</CsoundSynthesizer>