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Audacity Nyquits plug-in | 2003-10-01 | 637 b | 20 lines |
- ;nyquist plug-in
- ;version 1
- ;type analyze
- ;name "Beat Finder..."
- ;action "Finding beats..."
- ;control thresval "Threshold" int "%" 85 50 100
- (setf s1 (if (arrayp s) (snd-add (aref s 0) (aref s 1)) s))
- (defun signal () (force-srate 1000 (lp (snd-follow (lp s1 50) 0.001 0.01 0.1 512) 10)))
- (setq max (peak (signal) NY:ALL))
- (setq thres (* (/ thresval 100.0) max))
- (setq s2 (signal))
- (do ((c 0.0) (l NIL) (p T) (v (snd-fetch s2))) ((not v) l)
- (if (and p (> v thres)) (setq l (cons (list c "B") l)))
- (setq p (< v thres))
- (setq c (+ c 0.001))
- (setq v (snd-fetch s2)))
-
- ; arch-tag: 2204686b-2dcc-4891-964a-2749ac30661b
-
-