marf.Preprocessing.FFTFilter
Class LowPassFilter

java.lang.Object
  marf.Storage.StorageManager
      marf.Preprocessing.Preprocessing
          marf.Preprocessing.Filter
              marf.Preprocessing.FFTFilter.FFTFilter
                  marf.Preprocessing.FFTFilter.LowPassFilter

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, IFilter, IPreprocessing, IStorageManager

public class LowPassFilter
extends FFTFilter

LowPassFilter class implements low pass filtering the FFT Filter.

$Id: LowPassFilter.java,v 1.19 2007/12/18 03:45:56 mokhov Exp $

Since:

0.0.1

Version:

$Revision: 1.19 $

Author:

Serguei Mokhov, Stephen Sinclair

See Also:

Serialized Form

Field Summary

Fields inherited from class marf.Preprocessing.FFTFilter.FFTFilter

adFreqResponse, DEFAULT_FREQUENCY_RESPONSE_SIZE

Fields inherited from class marf.Preprocessing.Preprocessing

bRemoveNoise, bRemoveSilence, DEFAULT_SILENCE_THRESHOLD, dSilenceThreshold, oSample

Fields inherited from class marf.Storage.StorageManager

bDumpOnNotFound, iCurrentDumpMode, oObjectToSerialize, strFilename

Fields inherited from interface marf.Preprocessing.IFilter

FILTER_DIMENSIONALITY_1D, FILTER_DIMENSIONALITY_2D, FILTER_DIMENSIONALITY_3D, MARF_INTERFACE_CODE_REVISION

Fields inherited from interface marf.Preprocessing.IPreprocessing

MARF_INTERFACE_CODE_REVISION

Fields inherited from interface marf.Storage.IStorageManager

DUMP_BINARY, DUMP_CSV_TEXT, DUMP_GZIP_BINARY, DUMP_HTML, DUMP_SQL, DUMP_XML, MARF_INTERFACE_CODE_REVISION, STORAGE_FILE_EXTENSIONS

Constructor Summary

LowPassFilter()
Default constructor for reflective creation of Preprocessing clones.

LowPassFilter(IPreprocessing poPreprocessing)
Preprocessing pipeline constructor.

LowPassFilter(Sample poSample)
LowPassFilter Constructor.

Method Summary

boolean	cropAudio(double pdStartingFrequency, double pdEndFrequency) Stub implementation of cropAudio().
void	generateResponseCoefficients() Creates low-pass frequency response coefficients and sets applies them to the frequency response vector.
static java.lang.String	getMARFSourceCodeRevision() Returns source code revision information.

Methods inherited from class marf.Preprocessing.FFTFilter.FFTFilter

filter, filter, filter, preprocess, setFrequencyResponse

Methods inherited from class marf.Preprocessing.Preprocessing

backSynchronizeObject, clone, compress, compress, extractParameters, getSample, normalize, normalize, normalize, removeNoise, removeSilence, removeSilence, setSample

Methods inherited from class marf.Storage.StorageManager

dump, dumpBinary, dumpCSV, dumpGzipBinary, dumpHTML, dumpSQL, dumpXML, enableDumpOnNotFound, equals, getDefaultExtension, getDefaultExtension, getDumpMode, getFilename, getObjectToSerialize, hashCode, restore, restoreBinary, restoreCSV, restoreGzipBinary, restoreHTML, restoreSQL, restoreXML, setDumpMode, setFilename, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LowPassFilter

public LowPassFilter()

Default constructor for reflective creation of Preprocessing clones. Typically should not be used unless really necessary for the frameworked modules.

Since:

0.3.0.5

LowPassFilter

public LowPassFilter(IPreprocessing poPreprocessing)
              throws PreprocessingException

Preprocessing pipeline constructor.

Parameters:

poPreprocessing - follow up preprocessing module

Throws:

PreprocessingException

Since:

0.3.0.3

LowPassFilter

public LowPassFilter(Sample poSample)
              throws PreprocessingException

LowPassFilter Constructor.

Parameters:

poSample - incoming sample

Throws:

PreprocessingException

Method Detail

cropAudio

public final boolean cropAudio(double pdStartingFrequency,
                               double pdEndFrequency)
                        throws PreprocessingException

Stub implementation of cropAudio().

Specified by:

cropAudio in interface IPreprocessing

Overrides:

cropAudio in class Preprocessing

Parameters:

pdStartingFrequency - unused

pdEndFrequency - unused

Returns:

false

Throws:

PreprocessingException - never thrown

generateResponseCoefficients

public void generateResponseCoefficients()

Creates low-pass frequency response coefficients and sets applies them to the frequency response vector.

Specified by:

generateResponseCoefficients in class FFTFilter

Since:

0.3.0.2

getMARFSourceCodeRevision

public static java.lang.String getMARFSourceCodeRevision()

Returns source code revision information.

Returns:

revision string

Since:

0.3.0.2