16 lines
447 B
Scheme
16 lines
447 B
Scheme
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;; (dif-sqr a b)
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;; Difference of squares. Return the value of (a*a) - (b*b). This is
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;; more efficient than using separate unit generators for each
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;; operation.
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(audition
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(out 0 (mul (dif-sqr (f-sin-osc ar 800 0)
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(f-sin-osc ar (x-line kr 200 500 5 do-nothing) 0))
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0.125)))
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(audition
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(out 0 (let ((a (f-sin-osc ar 800 0))
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(b (f-sin-osc ar (x-line kr 200 500 5 do-nothing) 0)))
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(mul (sub (mul a a) (mul b b)) 0.125))))
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