be.hogent.tarsos.sampled.pitch
Class IPEMPitchDetection

java.lang.Object
  be.hogent.tarsos.sampled.pitch.IPEMPitchDetection

All Implemented Interfaces:

PitchDetector

public final class IPEMPitchDetection
extends java.lang.Object
implements PitchDetector

The IPEM_SIX Pitch detector uses an auditory model for polyphonic pitch tracking. More information can be found in following papers: Factors affecting music retrieval in query-by-melody De Mulder, Tom; Martens, Jean; PAUWS, S; VIGNOLI, F et al. IEEE TRANSACTIONS ON MULTIMEDIA (2006) Recent improvements of an auditory model based front-end for the transcription of vocal queries De Mulder, Tom; MARTENS, J; Lesaffre, Micheline; Leman, Marc et al. 2004 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL IV, PROCEEDINGS (2004) An Auditory Model Based Transcriber of Vocal Queries De Mulder, Tom; Martens, Jean; Lesaffre, Micheline; Leman, Marc et al. Proceedings of the Fourth International Conference on Music Information Retrieval (ISMIR) 2003 (2003) The text file generated by the pitch detector consists of 12 columns: 6 times a frequency in Hertz followed by a probability. The frequencies are ordered by their respective probabilities.

Author:

Joren Six

Constructor Summary

IPEMPitchDetection(AudioFile audioFile, PitchDetectionMode detectionMode)

Method Summary

java.util.List<Annotation>	executePitchDetection() Execute the pitch detection process.
java.util.List<Annotation>	getAnnotations()
java.lang.String	getName()
double	progress() Calculate and return an indicator for progress.

Methods inherited from class java.lang.Object

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

Constructor Detail

IPEMPitchDetection

public IPEMPitchDetection(AudioFile audioFile,
                          PitchDetectionMode detectionMode)

Parameters:

audioFile - The file to detect pitch for

detectionMode - Defines the detection mode used.

Method Detail

executePitchDetection

public java.util.List<Annotation> executePitchDetection()

Description copied from interface: PitchDetector

Execute the pitch detection process.

Specified by:

executePitchDetection in interface PitchDetector

Returns:

Returns a list of detected pitches, encapsulated in an annotation object.

getName

public java.lang.String getName()

Specified by:

getName in interface PitchDetector

Returns:

the name of the detector possibly with parameters e.g. aubio_YIN

getAnnotations

public java.util.List<Annotation> getAnnotations()

Specified by:

getAnnotations in interface PitchDetector

Returns:

a list of annotated samples

progress

public double progress()

Description copied from interface: PitchDetector

Calculate and return an indicator for progress.

Specified by:

progress in interface PitchDetector

Returns:

A value between 0.0 and 100. Indicating the progress made in percentage. Or -1 if the task has an indeterminate duration.