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< > BotCompany Repo | #1018782 // Grow auto-clip algorithm for audio recordings Prelude 2 [OK]

JavaX source code (desktop) [tags: use-pretranspiled] - run with: x30.jar

Download Jar. Uses 11806K of libraries. Click here for Pure Java version (11926L/85K).

!7

replace MarkedImage with BWImageAndRange.

static L<MarkedImage> markedImages;

p-exp {
  L<File> files = audioRecordingsWithSingleClip();
  pnl(files);
  markedImages = map_printProgress(f audioFileToBWImageAndRange, files);
  
  showOriginalClips();
  showYAveragedOnDifferentBands();
}

svoid showYAveragedOnDifferentBands {
  // Select a band, y-average, auto-contrast
  repeat with sleep 1 {
    int h = first(markedImages).image.getHeight();
    double a = random()*0.9, b = a+0.1;
    final int y1 = iround(a*h), y2 = iround(b*h);
    final new Scorer scorer;

    quickShowZoomedImage(mergeBWImagesVertically(map(markedImages,
      func(MarkedImage img) -> BWImage {
        new Var<BWImage> processedImage;
        L<Int> entryPoints = audio_entryPointsUsingBand_v1(img.image, intRange(y1, y2), +processedImage);
        audio_scoreEntryPoints(scorer, img, entryPoints);
        ret markIntRangesOnTopOfBWImage(
          markIntRangesOnTopOfBWImage(squishBWImage(processedImage!, 20),
            intsToSize2Ranges(entryPoints), 5),
          ll(intRange(img.start, img.end)), 5);
      })));
      
    print(scorer + " / Band: " + y1 + " to " + y2 + " of " + h);
  }
}

svoid showOriginalClips {
  showImage(mergeBWImagesVertically(map renderBWImageAndRange(markedImages)));
}

Author comment

Began life as a copy of #1018774

download  show line numbers  debug dex  old transpilations   

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Snippet ID: #1018782
Snippet name: Grow auto-clip algorithm for audio recordings Prelude 2 [OK]
Eternal ID of this version: #1018782/22
Text MD5: 11e101abf0ae355e79cb0274bf77f392
Transpilation MD5: bb493684126b9629d663d5216be78434
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 19:43:14
Source code size: 1333 bytes / 41 lines
Pitched / IR pitched: No / No
Views / Downloads: 456 / 1053
Version history: 21 change(s)
Referenced in: #1018800 - Grow auto-clip algorithm for audio recordings v3 [find best band for entry points, OK]