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1 | !7 |
2 | |
3 | sclass MarkedImage {
|
4 | BWImage image; |
5 | int start, end; |
6 | } |
7 | |
8 | static L<MarkedImage> markedImages; |
9 | |
10 | p-exp {
|
11 | L<File> files = audioRecordingsWithSingleClip(); |
12 | pnl(files); |
13 | markedImages = map_printProgress(files, func(File f) -> MarkedImage {
|
14 | BWImage image = wavToFrequencyImage(f); |
15 | L<IntRange> parts = markerIntRangesForWAV(f, image); |
16 | ret nu(MarkedImage, +image, start := first(parts).start, end := first(parts).end); |
17 | }); |
18 | |
19 | //showOriginalClips(); |
20 | //showYAveraged(); |
21 | showYAveragedOnDifferentBands(); |
22 | } |
23 | |
24 | svoid showYAveragedOnDifferentBands {
|
25 | // Select a band, y-average, auto-contrast |
26 | repeat with sleep 5 {
|
27 | int h = first(markedImages).image.getHeight(); |
28 | double a = random()*0.9, b = a+0.1; |
29 | final int y1 = iround(a*h), y2 = iround(b*h); |
30 | print("Band: " + y1 + " to " + y2 + " of " + h);
|
31 | |
32 | quickShowImage(mergeBWImagesVertically(map(markedImages, |
33 | func(MarkedImage img) -> BWImage {
|
34 | BWImage bandImage = clipBWImage(img.image, 0, y1, img.image.getWidth(), y2-y1); |
35 | ret markIntRangesOnTopOfBWImage( |
36 | bwAutoContrast(squishBWImage(squishBWImage(bandImage, 1), 20)), |
37 | ll(intRange(img.start, img.end))); |
38 | }))); |
39 | } |
40 | } |
41 | |
42 | svoid showYAveraged {
|
43 | // Show y-averaged, auto-contrasted on whole image |
44 | showImage(mergeBWImagesVertically(map(markedImages, |
45 | func(MarkedImage img) -> BWImage {
|
46 | markIntRangesOnTopOfBWImage( |
47 | bwAutoContrast(squishBWImage(squishBWImage(img.image, 1), 20)), |
48 | ll(intRange(img.start, img.end))) |
49 | }))); |
50 | } |
51 | |
52 | svoid showOriginalClips {
|
53 | showImage(mergeBWImagesVertically(map(markedImages, |
54 | func(MarkedImage img) -> BWImage {
|
55 | markIntRangesOnTopOfBWImage(img.image, ll(intRange(img.start, img.end))) |
56 | }))); |
57 | } |
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| Snippet ID: | #1018774 |
| Snippet name: | Grow auto-clip algorithm for audio recordings Prelude 1 [OK] |
| Eternal ID of this version: | #1018774/14 |
| Text MD5: | 4ff422b3364a6b0f40e7043017e6532f |
| Transpilation MD5: | 1504f4ca1956b1e46839617647802469 |
| Author: | stefan |
| Category: | javax / audio |
| Type: | JavaX source code (desktop) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-10-13 17:32:50 |
| Source code size: | 1792 bytes / 57 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 321 / 739 |
| Version history: | 13 change(s) |
| Referenced in: | [show references] |