!include once #1018630 // Spectro Edit

static Clip frequencyImageToAudio(BWImage img, IF1<Double> uncolorizer default lambda1 id) ctex {
  int w = img.getWidth(), h = img.getHeight(); 
  // clip.getFrameFreqSamples()?
  int h2 = min(h, audio_frequencyImageHeight());
  BWImage img = new(w, h2);
  
  Rectangle region = new(0, 0, w, h);
  //toClipCoords(region, clip);
  region.y = clip.getFrameFreqSamples() - (region.y + region.height);
  //print(+region);
        
  int endCol = region.x + region.width;
  int endRow = min(region.y + region.height, h2);
  
  for (int col = region.x; col < endCol; col++) {
    net.bluecow.spectro.Frame f = clip.getFrame(col);
    for (int row = region.y; row < endRow; row++)
      img.setPixel(col, h2-1-row, toFloat(colorizer.get(f.getReal(row))));
  }
  
    double[] timeData = new double[data.length];
    System.arraycopy(data, 0, timeData, 0, data.length);
    DoubleDCT_1D dct = getDctInstance(data.length);
    dct.inverse(timeData, true);
    windowFunc.applyWindow(timeData);
    ret timeData;

  ret img;
}

Began life as a copy of #1018632