public void setup() {
    int window_height = 220;
    size((int) (window_height * 5.12f), 220);
    canvas = createGraphics((int) (window_height * 5.12f) / 2, 220, JAVA2D);

    textMode(SCREEN);
    textFont(createFont("SanSerif", 12));

    minim = new Minim(this);

    in = minim.getLineIn(Minim.MONO, buffer_size, sample_rate);

    // create an FFT object that has a time-domain buffer
    // the same size as line-in's sample buffer
    fft = new FFT(in.bufferSize(), in.sampleRate());
    // Tapered window important for log-domain display
    fft.window(FFT.HAMMING);

    // initialize peak-hold structures
    peaksize = 1 + Math.round(fft.specSize() / binsperband);
    peaks = new float[peaksize];
    peak_age = new int[peaksize];

    particles = new Particle[fft.specSize()];
    for (int i = 0; i < fft.specSize(); i++) particles[i] = new Particle(i);
  }
Esempio n. 2
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  public void setup() {
    size(1200, 200, JAVA2D);
    preview = createGraphics(width, 100);
    minim = new Minim(this);
    mimp = new JSMinim(this);
    mimp.debugOn();
    // specify that we want the audio buffers of the AudioPlayer
    // to be 1024 samples long because our FFT needs to have
    // a power-of-two buffer size and this is a good size.
    jingle = minim.loadFile(filename, 1024);
    // loop the file indefinitely
    jingle.loop();

    // create an FFT object that has a time-domain buffer
    // the same size as jingle's sample buffer
    // note that this needs to be a power of two
    // and that it means the size of the spectrum will be half as large.
    fft = new FFT(jingle.bufferSize(), jingle.sampleRate());
    MultiChannelBuffer sampleBuffer = new MultiChannelBuffer(0, 0); // params don't matter!
    float jingleBuffer = loadFileIntoBuffer(filename, sampleBuffer);
    totalSamples = sampleBuffer.getBufferSize();
    beat = new BeatDetect(4096 * 4, jingle.sampleRate());
    beat.setSensitivity(1);
    beat.detectMode(BeatDetect.FREQ_ENERGY);
    // find ALL beats
    float data[] = new float[2048];
    samples = sampleBuffer.getChannel(1);

    //		for( int i = 0; i < samples.length; i+= data.length ){
    //			int j = Math.min( samples.length-1, i + data.length - 1 );
    ////			System.out.println( "copy up to including " + ( j ) + " / " + samples.length);
    //			System.arraycopy( samples, i, data, 0, 1 + j - i );
    //			beat.detect( data );
    //			if( beat.isOnset() ){
    //				beats.add( i );
    //				System.out.println( i + ": " + beat.isKick() );
    //			}
    //		}

    // pick some starting point ...
    loopEnd = samples.length;
    int start = (int) random(3 * samples.length / 5);
    analyze(start);
    new Thread() {
      public void run() {
        try {
          while (true) {
            Thread.sleep(1);
            // figure it out
            int s = (int) (loopStart * 1000l / jingle.getFormat().getSampleRate());
            int e = (int) (loopEnd * 1000l / jingle.getFormat().getSampleRate());
            if (jingle.position() < s) jingle.cue(s + 10);
            else if (jingle.position() > e) jingle.cue(s);
            else continue;
            Thread.sleep(500);
          }
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
      }
    }.start();

    //		System.exit(0);
  }
 public void stop() {
   in.close();
   minim.stop();
   super.stop();
 }
Esempio n. 4
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 // EVENTUALLY, ASSOCIATE A SOUNDFILE FROM THE CONSTRUCTOR AS WELL!!!
 public Dialog(String sFile, int time, Minim m) {
   timeStamp = time;
   type = DIA_TIME;
   ap = m.loadFile(sFile, 2048);
 }