be.tarsos.dsp.pitch

Class FFTPitch

java.lang.Object

be.tarsos.dsp.pitch.FFTPitch

All Implemented Interfaces:

PitchDetector

public class FFTPitch
extends java.lang.Object
implements PitchDetector

Implements a pitch tracker by simply locating the most salient frequency component in a signal.

Author:

Joren Six

Constructor Summary

Constructors

Constructor and Description
FFTPitch(int sampleRate, int bufferSize)

Method Summary

Modifier and Type	Method and Description
PitchDetectionResult	getPitch(float[] audioBuffer) Analyzes a buffer with audio information and estimates a pitch in Hz.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FFTPitch

public FFTPitch(int sampleRate,
                int bufferSize)

Method Detail

getPitch

public PitchDetectionResult getPitch(float[] audioBuffer)

Description copied from interface: PitchDetector

Analyzes a buffer with audio information and estimates a pitch in Hz. Currently this interface only allows one pitch per buffer.

Specified by:

getPitch in interface PitchDetector

Parameters:

audioBuffer - The buffer with audio information. The information in the buffer is not modified so it can be (re)used for e.g. FFT analysis.

Returns:

An estimation of the pitch in Hz or -1 if no pitch is detected or present in the buffer.