Clamps Packages

cm-poolevt

A poolevt is a sample event type like sfz. In contrast to sfz, a poolevt implements granular transposition and stretching for playback.

A poolevt also uses lsamples, but ignores their loop points. The sample to be played doesn't need to have a defined pitch. Nevertheless, it uses a keynum slot for SVG export. The transposition is determined by comparing the keynum of a poolevt instance with the keynum of its lsample¹.

(setq *flute-lsample*
  (create-lsample "69-Flute.nv.ff.1A4.wav" :keynum 69 :path (list (asdf:system-relative-pathname :clamps "extra/"))))
;; => *flute-lsample*

(output
 (new poolevt
   :lsample *flute-lsample*
   :keynum 69))

;; => ; No value

(output
 (new poolevt
   :lsample *flute-lsample*
   :keynum 69
   :stretch 3
   :wwidth 500))
;; => ; No value

(output
 (new poolevt
   :lsample *flute-lsample*
   :keynum 67
   :stretch 3))
;; => ; No value

(output
 (new poolevt
   :lsample *flute-lsample*
   :keynum 67
   :stretch 100
   :wwidth 27
   :amp -6))
;; => ; No value

Footnotes:

It is important to note that in SVG export the original keynum will be contained in the attributes field of every exported poolevt.