marf.Preprocessing.FFTFilter
Class LowPassFilter

java.lang.Object
  |
  +--marf.Storage.StorageManager
        |
        +--marf.Preprocessing.Preprocessing
              |
              +--marf.Preprocessing.FFTFilter.FFTFilter
                    |
                    +--marf.Preprocessing.FFTFilter.LowPassFilter

All Implemented Interfaces:

IStorageManager, java.io.Serializable

public class LowPassFilter

extends FFTFilter

LowPassFilter class implements low pass filtering the FFT Filter.

$Id: LowPassFilter.java,v 1.7 2005/05/21 18:38:40 mokhov Exp $

Since:

0.0.1

Version:

$Revision: 1.7 $

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

oSample

Fields inherited from class marf.Storage.StorageManager

iCurrentDumpMode, oObjectToSerialize, strFilename

Fields inherited from interface marf.Storage.IStorageManager

DUMP_BINARY, DUMP_CSV_TEXT, DUMP_GZIP_BINARY, DUMP_HTML, DUMP_SQL, DUMP_XML, INTERFACE_CODE_REVISION, sastrExtensionsMap

Constructor Summary

LowPassFilter(marf.Preprocessing.Preprocessing poPreprocessing)
Preprocessing pipeline constructor.

LowPassFilter(marf.Storage.Sample poSample)
LowPassFilter Constructor.

Method Summary

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

Methods inherited from class marf.Preprocessing.FFTFilter.FFTFilter

filter, preprocess, setFrequencyResponse

Methods inherited from class marf.Preprocessing.Preprocessing

backSynchronizeObject, getSample, normalize, normalize, normalize

Methods inherited from class marf.Storage.StorageManager

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

Methods inherited from class java.lang.Object

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

Constructor Detail

LowPassFilter

public LowPassFilter(marf.Preprocessing.Preprocessing poPreprocessing)
              throws PreprocessingException

Preprocessing pipeline constructor.

Parameters:

poPreprocessing - follow up preprocessing module

Throws:

PreprocessingException

Since:

0.3.0

LowPassFilter

public LowPassFilter(marf.Storage.Sample poSample)
              throws PreprocessingException

LowPassFilter Constructor.

Parameters:

poSample - incoming sample

Throws:

PreprocessingException

Method Detail

removeNoise

public final boolean removeNoise()
                          throws PreprocessingException

Stub implementation of removeNoise().

Overrides:

removeNoise in class Preprocessing

Returns:

false

Throws:

PreprocessingException - never thrown

removeSilence

public final boolean removeSilence()
                            throws PreprocessingException

Stub implementation of removeSilence().

Overrides:

removeSilence in class Preprocessing

Returns:

false

Throws:

PreprocessingException - never thrown

cropAudio

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

Stub implementation of cropAudio().

Overrides:

cropAudio in class Preprocessing

Parameters:

pdStartingFrequency - unused

pdEndFrequency - unused

Returns:

false

Throws:

PreprocessingException - never thrown

genereateResponseCoefficients

public void genereateResponseCoefficients()

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

Specified by:

genereateResponseCoefficients in class FFTFilter

Since:

0.3.0

getRevision

public static java.lang.String getRevision()

Returns source code revision information.

Returns:

revision string

Since:

0.3.0