/usr/share/snd/v.scm is in snd 18.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | (provide 'snd-v.scm)
(if (provided? 'snd)
(require snd-ws.scm)
(require sndlib-ws.scm))
(define default-index-env (float-vector 0 1 25 .4 75 .6 100 0))
(define default-amp-env (float-vector 0 0 25 1 75 1 100 0))
(define default-gliss-env (float-vector 0 0 100 0))
(definstrument (fm-violin startime dur frequency amplitude
(fm-index 1.0)
amp-env
(periodic-vibrato-rate 5.0)
(random-vibrato-rate 16.0)
(periodic-vibrato-amplitude 0.0025)
(random-vibrato-amplitude 0.005)
(noise-amount 0.0)
(noise-freq 1000.0)
(ind-noise-freq 10.0)
(ind-noise-amount 0.0)
(amp-noise-freq 20.0)
(amp-noise-amount 0.0)
(gliss-env default-gliss-env)
(glissando-amount 0.0)
fm1-env
fm2-env
fm3-env
(fm1-rat 1.0)
(fm2-rat 3.0)
(fm3-rat 4.0)
fm1-index
fm2-index
fm3-index
degree
(distance 1.0)
(reverb-amount 0.01)
(base 1.0))
"(fm-violin startime dur frequency amplitude
(fm-index 1.0) (amp-env '(0 0 25 1 75 1 100 0))
(periodic-vibrato-rate 5.0) (random-vibrato-rate 16.0)
(periodic-vibrato-amplitude 0.0025) (random-vibrato-amplitude 0.005)
(noise-amount 0.0) (noise-freq 1000.0) (ind-noise-freq 10.0)
(ind-noise-amount 0.0) (amp-noise-freq 20.0)
(amp-noise-amount 0.0) (gliss-env '(0 0 100 0))
(glissando-amount 0.0) (fm1-env '(0 1 25 .4 75 .6 100 0))
(fm2-env '(0 1 25 .4 75 .6 100 0)) (fm3-rat 4.0)
(fm3-env '(0 1 25 .4 75 .6 100 0)) (fm1-rat 1.0)
(fm2-rat 3.0) (fm1-index #f) (fm2-index #f)
(fm3-index #f) (degree #f) (distance 1.0)
(reverb-amount 0.01) (base 1.0))
(with-sound () (fm-violin 0 1 440 .1))"
(let ((beg (seconds->samples startime))
(end (seconds->samples (+ startime dur)))
(frq-scl (hz->radians frequency))
(logfreq (log frequency))
(sqrtfreq (sqrt frequency))
(maxdev (* (hz->radians frequency) fm-index)))
(if (>= (* 2 fm1-rat frequency) *clm-srate*) (set! fm1-rat 1.0))
(if (>= (* 2 fm2-rat frequency) *clm-srate*) (set! fm2-rat 1.0))
(if (>= (* 2 fm3-rat frequency) *clm-srate*) (set! fm3-rat 1.0))
(let ((index1 (or fm1-index (min pi (* maxdev (/ 5.0 logfreq)))))
(index2 (or fm2-index (min pi (/ (* maxdev 3.0 (- 8.5 logfreq)) (+ 3.0 (* frequency 0.001))))))
(index3 (or fm3-index (min pi (* maxdev (/ 4.0 sqrtfreq)))))
(easy-case (and (zero? noise-amount)
(equal? fm1-env fm2-env)
(equal? fm1-env fm3-env)
(= fm1-rat (floor fm1-rat))
(= fm2-rat (floor fm2-rat))
(= fm3-rat (floor fm3-rat))
(integer? (rationalize (/ fm2-rat fm1-rat))) ; might be 2=2 but 1=3 or whatever
(integer? (rationalize (/ fm3-rat fm1-rat))))))
(let ((norm (if easy-case 1.0 index1)))
(let ((fmosc1 (if easy-case
(make-polywave (* fm1-rat frequency)
(list (floor fm1-rat) index1
(floor (/ fm2-rat fm1-rat)) index2
(floor (/ fm3-rat fm1-rat)) index3)
mus-chebyshev-second-kind)
(make-oscil (* fm1-rat frequency))))
(indf1 (make-env (or fm1-env default-index-env) norm :duration dur))
(indf2 (or easy-case (make-env (or fm2-env default-index-env) index2 :duration dur)))
(indf3 (or easy-case (make-env (or fm3-env default-index-env) index3 :duration dur)))
(frqf (make-env gliss-env (* glissando-amount frq-scl) :duration dur))
(pervib (make-triangle-wave periodic-vibrato-rate (* periodic-vibrato-amplitude frq-scl)))
(ranvib (make-rand-interp random-vibrato-rate (* random-vibrato-amplitude frq-scl)))
(fm-noi (and (not (zero? noise-amount))
(make-rand noise-freq (* pi noise-amount))))
(ind-noi (and (not (zero? ind-noise-amount))
(not (zero? ind-noise-freq))
(make-rand-interp ind-noise-freq ind-noise-amount)))
(amp-noi (and (not (zero? amp-noise-amount))
(not (zero? amp-noise-freq))
(make-rand-interp amp-noise-freq amp-noise-amount)))
(carrier (make-oscil frequency))
(fmosc2 (if (not easy-case) (make-oscil (* fm2-rat frequency))))
(fmosc3 (if (not easy-case) (make-oscil (* fm3-rat frequency))))
(ampf (make-env (or amp-env default-amp-env) :scaler amplitude :base base :duration dur))
(locs (make-locsig (or degree (random 90.0)) distance reverb-amount)))
(if (or (not easy-case)
ind-noi
amp-noi
fm-noi)
(let ((fuzz 0.0)
(vib 0.0)
(anoi 1.0)
(inoi 1.0))
(if easy-case ; no fm-noi here
(do ((i beg (+ i 1)))
((= i end))
(if amp-noi
(set! anoi (* (env ampf) (+ 1.0 (rand-interp amp-noi))))
(set! anoi (env ampf)))
(if ind-noi
(set! inoi (+ 1.0 (rand-interp ind-noi))))
(set! vib (+ (env frqf) (triangle-wave pervib) (rand-interp ranvib)))
(locsig locs i (* anoi (oscil carrier (+ vib (* inoi (env indf1) (polywave fmosc1 vib)))))))
(if (or ind-noi amp-noi fm-noi)
(if (not (or ind-noi amp-noi))
(do ((i beg (+ i 1)))
((= i end))
(let ((fuzz (rand fm-noi))
(vib (+ (env frqf) (triangle-wave pervib) (rand-interp ranvib))))
(locsig locs i (* (env ampf)
(oscil carrier
(+ vib
(+ (* (env indf1) (oscil fmosc1 (+ (* fm1-rat vib) fuzz)))
(* (env indf2) (oscil fmosc2 (+ (* fm2-rat vib) fuzz)))
(* (env indf3) (oscil fmosc3 (+ (* fm3-rat vib) fuzz))))))))))
(do ((i beg (+ i 1)))
((= i end))
(if fm-noi (set! fuzz (rand fm-noi)))
(if amp-noi
(set! anoi (* (env ampf) (+ 1.0 (rand-interp amp-noi))))
(set! anoi (env ampf)))
(if ind-noi (set! inoi (+ 1.0 (rand-interp ind-noi))))
(set! vib (+ (env frqf) (triangle-wave pervib) (rand-interp ranvib)))
(locsig locs i (* anoi (oscil carrier
(+ vib
(* inoi
(+ (* (env indf1) (oscil fmosc1 (+ (* fm1-rat vib) fuzz)))
(* (env indf2) (oscil fmosc2 (+ (* fm2-rat vib) fuzz)))
(* (env indf3) (oscil fmosc3 (+ (* fm3-rat vib) fuzz)))))))))))
(do ((i beg (+ i 1)))
((= i end))
(let ((vib (+ (env frqf) (triangle-wave pervib) (rand-interp ranvib))))
(locsig locs i (* (env ampf)
(oscil carrier (+ vib
(+ (* (env indf1) (oscil fmosc1 (* fm1-rat vib)))
(* (env indf2) (oscil fmosc2 (* fm2-rat vib)))
(* (env indf3) (oscil fmosc3 (* fm3-rat vib)))))))))))))
(if (= (mus-scaler frqf) 0.0)
(do ((i beg (+ i 1)))
((= i end))
(let ((vib (+ (triangle-wave pervib) (rand-interp ranvib))))
(locsig locs i (* (env ampf)
(oscil carrier (+ vib (* (env indf1)
(polywave fmosc1 vib))))))))
(do ((i beg (+ i 1)))
((= i end))
(let ((vib (+ (env frqf) (triangle-wave pervib) (rand-interp ranvib))))
(locsig locs i (* (env ampf)
(oscil carrier (+ vib (* (env indf1)
(polywave fmosc1 vib)))))))))))))))
;; (with-sound (:statistics #t) (fm-violin 0 10 440 .1 :fm-index 2.0))
;; (with-sound (:statistics #t) (fm-violin 0 10 440 .1 :noise-amount .01))
;; (with-sound (:statistics #t) (fm-violin 0 10 440 .1 :ind-noise-amount .01))
;; (with-sound (:statistics #t) (fm-violin 0 10 440 .1 :fm1-rat 1.002))
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