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< > BotCompany Repo | #1018686 // audio_changePoints1 - find points where spectrum changes

JavaX fragment (include)

// threshold = 0 to 1
static L<Float> audio_changePoints1(BWImage img, float threshold) {
  int w = img.getWidth();
  float[] f = bwImageColumnBrightnesses(img);
  
  new L<Float> points;
  float value = f[0];
  for (int i = 1; i < l(f); i++)
    if (abs(f[i]-value) >= threshold) {
      points.add(i-0.5f);
      value = f[i];
    }
  ret points;
}

Author comment

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: 348 / 368
Referenced in: [show references]