Sine wave: Difference between revisions
Content added Content deleted
| Line 134: | Line 134: | ||
0 0 0 1)) ; mono |
0 0 0 1)) ; mono |
||
(setq s (apply #'concat header (mapcar (lambda (x) (unibyte-string |
(setq s (apply #'concat header (mapcar (lambda (x) (unibyte-string |
||
(mod |
(mod (round (* 127 (sin (* 2 pi freq x (/ 44100.0))))) 256) 0)) |
||
(* 2 pi freq x (/ 44100.0))))))) 256) 0)) |
|||
(number-sequence 0 (* dur 44100))))) |
(number-sequence 0 (* dur 44100))))) |
||
(play-sound `(sound :data ,s))) |
(play-sound `(sound :data ,s))) |
||