52. const/constf

const is a node that upsamples a constant value so it is audio-rate. This is used for certain nodes (such as some FAUST generated ones) that require audio-rate cables.

<<ugens-top>>=
(define (const c)
  (param c)
  (rvl "const"))
<<ugens-top>>=
(define (constf c)
  (lambda () (const c)))



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