source: plugins/audacity/plug-ins/aubioonset.ny @ 336cf77

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 336cf77 was 96fb8ad, checked in by Paul Brossier <piem@altern.org>, 20 years ago

import 0.1.7.1

  • Property mode set to 100644
File size: 1.1 KB
Line 
1;nyquist plug-in
2;version 1
3;type analyze
4;name "Onset Detection..."
5;action "Generate onset label track using aubioonset..."
6;info "Aubio onset detector:\n Generates a label track with markers at the beginning of audio events"
7;control threshold "Detection threshold" real "[0.001-0.900...]" 0.1 0.001 1.0
8
9; largest number of samples
10(setf largenumber 1000000000)
11; some temporary files
12(setf infile "/tmp/test.wav")
13(setf tmfile "/tmp/test.txt")
14; our command lines
15(setf aubiocmd (strcat "aubioonset -t " (ftoa threshold) " -i " infile " > " tmfile))
16(setf deletcmd "rm -f /tmp/test.wav /tmp/test.txt")
17
18; save current selection in /tmp
19; bug: should check the sound is mono
20(s-save s (snd-length s largenumber) "/tmp/test.wav")
21; run aubio
22(system aubiocmd)
23
24; read the file and build the list of label in result
25(let* (
26        (fp (open "/tmp/test.txt"  :direction :input))
27        (result '())
28        (n 1)
29        (c (read-line fp))
30      )
31 (read-line fp)
32 (while (not (not c))
33   (setq result
34        (append
35        result
36        (list (list (atof c) ""))
37        ))
38   (setf c (read-line fp))
39   (setq n (+ n 1))
40  )
41(close fp)
42(system deletcmd)
43;uncomment to debug
44;(print result)
45result)
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