Package edu.emory.mathcs.jtransforms.fft

Examples of edu.emory.mathcs.jtransforms.fft.FloatFFT_1D

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      float[] input = new float[length * 2];
      for (int i = 0; i < 2 * length; i++) {
        input[i] = (float) data[i];
      }

      FloatFFT_1D fftlib = new FloatFFT_1D(length);
      fftlib.complexForward(input);
      //        int multiplier = (int) (BASE_FREQUENCY / ((float) SAMPLE_RATE / (float) FFT_SIZE));

      float outputData[] = new float[(input.length + 1) / 2];
      for (int i = 0; i < length / 2; i++) {
        outputData[i] = (float) Math.sqrt((Math.pow(input[2 * i], 2)) + (Math.pow(input[2 * i + 1], 2)));
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    this.highpass   = 0;
    this.lowpass   = rate/2;
   
    buffer = new WindowedDataBuffer.Float(size);
    fft = new FloatFFT_1D(size);

    target = new float[size];
    bins = new double[getBinCount()];
  }
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      for (int i=0; i<fft.length; i++)
      {
        frameSamples[i]=bb.getShort(i*2);
        fft[i]=frameSamples[i];
      }
      FloatFFT_1D fftOp=new FloatFFT_1D(FFT_LEN);
      fftOp.realForward(fft);
     
      //get fft bins
      fftMag=fft2mag(fft);
      if (fftBinLog)
        fftMagBinned=rebinLog(fftMag,fftMaxFreq,fftNumBins,freqScalePower);
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Related Classes of edu.emory.mathcs.jtransforms.fft.FloatFFT_1D

  • edu.mit.d54.plugins.audio.AudioProcessor
  • it.hakvoort.eeg.util.FFTDataBuffer
  • org.jwildfire.create.tina.audio.RecordedFFT
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