Examples of fft


Examples of com.lightcrafts.media.jai.opimage.FFT

            }

            return new MlibDFTOpImage(source, hints, layout, dataNature,
                                      false, scalingType);
        } else { // General case
            FFT fft = new FFTmediaLib(false,
                                      new Integer(scalingType.getValue()), 2);

            return new DFTOpImage(source, hints, layout, dataNature, fft);
        }
    }
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Examples of com.lightcrafts.media.jai.opimage.FFT

            }

            return new MlibDFTOpImage(source, hints, layout, dataNature,
                                      true, scalingType);
        } else { // General case
            FFT fft = new FFTmediaLib(true,
                                      new Integer(scalingType.getValue()), 2);

            return new DFTOpImage(source, hints, layout, dataNature, fft);
        }
    }
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Examples of com.sun.media.jai.opimage.FFT

            }

            return new MlibDFTOpImage(source, hints, layout, dataNature,
                                      true, scalingType);
        } else { // General case
            FFT fft = new FFTmediaLib(true,
                                      new Integer(scalingType.getValue()), 2);

            return new DFTOpImage(source, hints, layout, dataNature, fft);
        }
    }
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Examples of com.sun.media.jai.opimage.FFT

            }

            return new MlibDFTOpImage(source, hints, layout, dataNature,
                                      false, scalingType);
        } else { // General case
            FFT fft = new FFTmediaLib(false,
                                      new Integer(scalingType.getValue()), 2);

            return new DFTOpImage(source, hints, layout, dataNature, fft);
        }
    }
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Examples of com.sun.media.jai.opimage.FFT

/*     */       }
/*     */
/* 104 */       return new MlibDFTOpImage(source, hints, layout, dataNature, true, scalingType);
/*     */     }
/*     */
/* 107 */     FFT fft = new FFTmediaLib(true, new Integer(scalingType.getValue()), 2);
/*     */
/* 110 */     return new DFTOpImage(source, hints, layout, dataNature, fft);
/*     */   }
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Examples of com.sun.media.jai.opimage.FFT

/*     */       }
/*     */
/* 105 */       return new MlibDFTOpImage(source, hints, layout, dataNature, false, scalingType);
/*     */     }
/*     */
/* 108 */     FFT fft = new FFTmediaLib(false, new Integer(scalingType.getValue()), 2);
/*     */
/* 111 */     return new DFTOpImage(source, hints, layout, dataNature, fft);
/*     */   }
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Examples of ddf.minim.analysis.FFT

    beat.setSensitivity(250);
    beat.detectMode(BeatDetect.FREQ_ENERGY);

    bl = new BeatListener(beat, in);    

    fft = new FFT(in.bufferSize(), in.sampleRate());
    fft.window(FFT.HAMMING);
    fft.logAverages(120,4); // 32 bands
   
    this.silenceThreshold = silenceThreshold;
   
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Examples of edu.purdue.wind.FFT

  int data[] = wave.sampleData(channel);
  for (int i = 0; i < nSamples; i++) {
      samples[i] = (double)data[i];
  }

  FFT fft = new FFT(nSamples, window);
  fft.transform(samples);

  // Output the spectrum
  double[] magnitude = fft.magnitudes();
  final double stepHz = 2.0d * nSamples / (double)wave.sampleRate();

  for (int i = 0; i < nSamples / 2; i++) {
      System.out.println("" + (stepHz * i) + " " + magnitude[i]);
  }
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Examples of mikera.matrixx.algo.FFT

  @Test public void testFFT() {
    double[] d=new double[2];
    double r=Math.random();
    d[0]=r;
   
    FFT fft=new FFT(1);
    fft.realForwardFull(d);
   
    assertEquals(0.0,d[1],0.000001);
    assertEquals(r,d[0],0.000001);
  }
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Examples of mikera.matrixx.algo.FFT

    double r2=Math.random();
    d[0]=r0;
    d[1]=r1;
    d[2]=r2;
   
    FFT fft=new FFT(3);
   
    //System.out.println(Vector.create(d));
    fft.realForwardFull(d);
    //System.out.println(Vector.create(d)); 
    fft.complexInverse(d, true);
    //System.out.println(Vector.create(d));
    assertEquals(r0,d[0],0.000001);
    assertEquals(r1,d[2],0.000001);
    assertEquals(r2,d[4],0.000001);
  }
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