marf.gui
Class Spectrogram

java.lang.Object
  marf.gui.Spectrogram

All Implemented Interfaces:

StorageManager

public class Spectrogram

extends java.lang.Object

implements StorageManager

Class Spectrogram

Dumps a spectrogram to a PPM file

$Header: /cvsroot/marf/marf/src/marf/gui/Spectrogram.java,v 1.21 2003/02/16 18:30:33 mokhov Exp $

Author:

Ian Clement

Field Summary

protected java.util.Vector	data The data vector
protected double	max Current maximum
protected double	min Current minimum
protected java.lang.String	strMethod To differentiate file names based on the feature extraction method name.

Fields inherited from interface marf.Storage.StorageManager

DUMP_BINARY, DUMP_CSV_TEXT, DUMP_GZIP_BINARY, DUMP_XML

Constructor Summary

Spectrogram()
Constructor

Spectrogram(java.lang.String pstrMethodName)
Constructor with a feature extraction method name

Method Summary

void	addFFT(double[] values) Adds FFT spectrum to the data to dump
void	addLPC(double[] lpc_coeffs, int num_coeffs, int size) Adds LPC spectrum to the data to dump
void	dump() Dumps spectrogram
void	restore() Not implemented

Methods inherited from class java.lang.Object

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

Field Detail

data

protected java.util.Vector data

The data vector

min

protected double min

Current minimum

max

protected double max

Current maximum

strMethod

protected java.lang.String strMethod

To differentiate file names based on the feature extraction method name.

Constructor Detail

Spectrogram

public Spectrogram()

Constructor

Spectrogram

public Spectrogram(java.lang.String pstrMethodName)

Constructor with a feature extraction method name

Parameters:

pstrMethodName - String representing FE module name

Method Detail

addLPC

public final void addLPC(double[] lpc_coeffs,
                         int num_coeffs,
                         int size)

Adds LPC spectrum to the data to dump

Parameters:

lpc_coeffs - LPC coefficiencies to dump

num_coeffs - number of LPC coefficiencies to dump

size - size of the spectrogram (width)

addFFT

public final void addFFT(double[] values)

Adds FFT spectrum to the data to dump

Parameters:

values - array of doubles (FFT coefficiencies)

dump

public final void dump()
                throws java.io.IOException

Dumps spectrogram

Specified by:

dump in interface StorageManager

Throws:

java.io.IOException

restore

public void restore()
             throws java.io.IOException

Not implemented

Specified by:

restore in interface StorageManager

Throws:

java.io.IOException