examples.be.tarsos.dsp.example.spectrum.SpectralInfo Maven / Gradle / Ivy
The newest version!
/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* TarsosDSP is developed by Joren Six at IPEM, University Ghent
*
* -------------------------------------------------------------
*
* Info: http://0110.be/tag/TarsosDSP
* Github: https://github.com/JorenSix/TarsosDSP
* Releases: http://0110.be/releases/TarsosDSP/
*
* TarsosDSP includes modified source code by various authors,
* for credits and info, see README.
*
*/
package be.tarsos.dsp.example.spectrum;
import java.util.List;
import be.tarsos.dsp.SpectralPeakProcessor;
import be.tarsos.dsp.SpectralPeakProcessor.SpectralPeak;
public class SpectralInfo{
private float[] magnitudes;
private float[] frequencyEstimates;
public SpectralInfo(float[] magnitudes, float[] frequencyEstimates){
this.magnitudes = magnitudes;
this.frequencyEstimates = frequencyEstimates;
}
public List getPeakList(int medianFilterLength,float noiseFloorFactor,int numberOfPeaks,int minPeakDistanceInCents) {
float[] noiseFloor = getNoiseFloor(medianFilterLength, noiseFloorFactor);
List localMaxima = SpectralPeakProcessor.findLocalMaxima(magnitudes, noiseFloor);
return SpectralPeakProcessor.findPeaks(magnitudes, frequencyEstimates, localMaxima, numberOfPeaks,minPeakDistanceInCents);
}
public float[] getMagnitudes(){
return magnitudes;
}
public float[] getNoiseFloor(int medianFilterLength,float noiseFloorFactor){
return SpectralPeakProcessor.calculateNoiseFloor(magnitudes, medianFilterLength, noiseFloorFactor);
}
}