Package be.panako.strategy.pch

Class PitchClassHistogramStrategy

java.lang.Object

be.panako.strategy.Strategy

be.panako.strategy.pch.PitchClassHistogramStrategy

public class PitchClassHistogramStrategy
extends Strategy

Implementation of the strategy described in (2012) A Robust Audio Fingerprinter Based on Pitch Class Histograms: Applications for Ethnic Music Archives, by Joren Six and Olmo Cornelis in Proceedings of the International Workshop of Folk Music Analysis (FMA 2012)

Constructor Summary

Constructors

Constructor	Description
PitchClassHistogramStrategy()

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear al information from the key value store
boolean	hasResource(String resource)	Are there fingerprints for this resource already stored in the database?
boolean	isStorageAvailable()
void	monitor(String query, int maxNumberOfReqults, Set<Integer> avoid, QueryResultHandler handler)
String	name()
void	printStorageStatistics()	Print some storage statistics.
void	query(String query, int maxNumberOfResults, Set<Integer> avoid, QueryResultHandler handler)
String	resolve(String filename)	Returns an internal identifier, probably an integer, for a given filename.
double	store(String resource, String description)	Store an audio file in the data store.

Methods inherited from class be.panako.strategy.Strategy

classToName, getInstance, print

Methods inherited from class java.lang.Object

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

Constructor Details

PitchClassHistogramStrategy

public PitchClassHistogramStrategy()

Method Details

store

public double store(String resource,
 String description)

Description copied from class: Strategy

Store an audio file in the data store. The name of the resource is used to extract a numerical identifier. The description is arbitrary.

Specified by:

store in class Strategy

Parameters:

resource - The audio resource.

description - An arbitrary description.

Returns:

The number of seconds of processed audio.

query

public void query(String query,
 int maxNumberOfResults,
 Set<Integer> avoid,
 QueryResultHandler handler)

Specified by:

query in class Strategy

monitor

public void monitor(String query,
 int maxNumberOfReqults,
 Set<Integer> avoid,
 QueryResultHandler handler)

Specified by:

monitor in class Strategy

hasResource

public boolean hasResource(String resource)

Description copied from class: Strategy

Are there fingerprints for this resource already stored in the database?

Specified by:

hasResource in class Strategy

Parameters:

resource - The name of the resource.

Returns:

True if the resource is already treated. False otherwise.

isStorageAvailable

public boolean isStorageAvailable()

Specified by:

isStorageAvailable in class Strategy

Returns:

True if the storage is available, false otherwise.

printStorageStatistics

public void printStorageStatistics()

Description copied from class: Strategy

Print some storage statistics.

Specified by:

printStorageStatistics in class Strategy

resolve

public String resolve(String filename)

Description copied from class: Strategy

Returns an internal identifier, probably an integer, for a given filename.

Specified by:

resolve in class Strategy

Parameters:

filename - the name of the file to resolve.

Returns:

An internal identifier, probably an integer, for a given filename.

name

public String name()

clear

public void clear()

Description copied from class: Strategy

Clear al information from the key value store

Specified by:

clear in class Strategy