1 | // threshold = 0 to 1 |
2 | static L<Float> audio_changePoints1(BWImage img, float threshold) {
|
3 | int w = img.getWidth(); |
4 | float[] f = bwImageColumnBrightnesses(img); |
5 | |
6 | new L<Float> points; |
7 | float value = f[0]; |
8 | for (int i = 1; i < l(f); i++) |
9 | if (abs(f[i]-value) >= threshold) {
|
10 | points.add(i-0.5f); |
11 | value = f[i]; |
12 | } |
13 | ret points; |
14 | } |
Began life as a copy of #1018617
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| Snippet ID: | #1018686 |
| Snippet name: | audio_changePoints1 - find points where spectrum changes |
| Eternal ID of this version: | #1018686/1 |
| Text MD5: | a8c679e634331cbde84db3dc3df5a0f3 |
| Author: | stefan |
| Category: | javax / audio analysis |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-10-10 14:59:20 |
| Source code size: | 363 bytes / 14 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 268 / 302 |
| Referenced in: | [show references] |