tempo_synced_lfo_wobble.csd

Tempo-Synced LFO Wobble Bass 
Jacob Joaquin
July 10, 2011
[email protected]
csoundblog.com

<CsoundSynthesizer>
<CsInstruments>
sr = 44100
kr = 44100
ksmps = 1
nchnls = 1
0dbfs = 1.0

instr wobbly
    ispb = p3                    ; Seconds-per-beat. Must specify "1" in score
    p3 = ispb * p4               ; Reset the duration
    idur = p3                    ; Duration
    iamp = p5                    ; Amplitude
    ipch = cpspch(p6)            ; Pitch
    idivision = 1 / (p7 * ispb)  ; Division of Wobble

    ; Oscillators
    a1 vco2 iamp, ipch * 1.005, 0
    a2 vco2 iamp, ipch * 0.495, 10
    a1 = a1 + a2

    ; Wobble envelope shape
    itable ftgenonce 0, 0, 8192, -7, 0, 4096, 1, 4096, 0
    
    ; LFO for wobble sound
    klfo oscil 1, idivision, itable

    ; Filter
    ibase = ipch
    imod = ibase * 9
    a1 moogladder a1, ibase + imod * klfo, 0.6
    
    ; Output
    out a1
endin

</CsInstruments>
<CsScore>
t 0 140

i "wobbly" 0 1 2 0.404 6.04 2
i "wobbly" 2 1 2 0.404 7.04 [1 / 3]
i "wobbly" 4 1 2 0.404 6.04 2
i "wobbly" 6 1 2 0.404 7.07 [1 / 1.5]

i "wobbly" 8  1 2 0.404 5.09 2
i "wobbly" 10 1 2 0.404 6.09 1
i "wobbly" 12 1 2 0.404 5.09 [1 / 1.5]
i "wobbly" 14 1 2 0.404 6.11 [1 / 3]

i "wobbly" 16 1 2 0.404 6.04 1
i "wobbly" 18 1 2 0.404 7.04 [1 / 3]
i "wobbly" 20 1 2 0.404 6.04 2
i "wobbly" 22 1 2 0.404 7.07 [1 / 1.5]

i "wobbly" 24 1 2 0.404 6.09 2
i "wobbly" 26 1 2 0.404 7.09 1
i "wobbly" 28 1 2 0.404 6.11 [1 / 1.5]
i "wobbly" 30 1 2 0.404 6.07 [1 / 3]

i "wobbly" 32 1 2 0.404 6.04 2
i "wobbly" 34 1 2 0.404 7.04 [1 / 3]
i "wobbly" 36 1 2 0.404 6.04 2
i "wobbly" 38 1 2 0.404 7.07 [1 / 1.5]

i "wobbly" 40 1 2 0.404 5.09 2
i "wobbly" 42 1 2 0.404 6.09 1
i "wobbly" 44 1 2 0.404 5.09 [1 / 1.5]
i "wobbly" 46 1 2 0.404 6.11 [1 / 3]

i "wobbly" 48 1 2 0.404 6.04 1
i "wobbly" 50 1 2 0.404 7.04 [1 / 3]
i "wobbly" 52 1 2 0.404 6.04 2
i "wobbly" 54 1 2 0.404 7.07 [1 / 1.5]

i "wobbly" 56 1 2 0.404 6.09 2
i "wobbly" 58 1 2 0.404 7.09 1
i "wobbly" 60 1 2 0.404 6.11 [1 / 1.5]
i "wobbly" 62 1 2 0.404 6.07 [1 / 3]

</CsScore>
</CsoundSynthesizer>