net.sourceforge.jaad.aac.filterbank

Class FilterBank

java.lang.Object

net.sourceforge.jaad.aac.filterbank.FilterBank

All Implemented Interfaces:

SyntaxConstants

public class FilterBank
extends Object
implements SyntaxConstants

This class is part of JAAD ( jaadec.sourceforge.net ) that is distributed under the Public Domain license. Code changes provided by the JCodec project are distributed under FreeBSD license.

Author:

in-somnia

Field Summary

Fields

Modifier and Type	Field and Description
static float[]	KBD_1024
static float[]	KBD_120
static float[]	KBD_128
static float[]	KBD_960
static float[]	SINE_1024
static float[]	SINE_120
static float[]	SINE_128
static float[]	SINE_960

Fields inherited from interface net.sourceforge.jaad.aac.syntax.SyntaxConstants

BYTE_MASK, ELEMENT_CCE, ELEMENT_CPE, ELEMENT_DSE, ELEMENT_END, ELEMENT_FIL, ELEMENT_LFE, ELEMENT_PCE, ELEMENT_SCE, MAX_ELEMENTS, MAX_LTP_SFB, MAX_MS_MASK, MAX_SECTIONS, MAX_WINDOW_COUNT, MAX_WINDOW_GROUP_COUNT, MIN_INPUT_SIZE, SQRT2, WINDOW_LEN_LONG, WINDOW_LEN_SHORT, WINDOW_SMALL_LEN_LONG, WINDOW_SMALL_LEN_SHORT

Constructor Summary

Constructors

Constructor and Description
FilterBank(boolean smallFrames, int channels)

Method Summary

Modifier and Type	Method and Description
float[]	getOverlap(int channel)
void	process(ICSInfo.WindowSequence windowSequence, int windowShape, int windowShapePrev, float[] _in, float[] out, int channel)
void	processLTP(ICSInfo.WindowSequence windowSequence, int windowShape, int windowShapePrev, float[] _in, float[] out)

Methods inherited from class java.lang.Object

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

Field Detail

SINE_1024

public static final float[] SINE_1024

SINE_128

public static final float[] SINE_128

SINE_960

public static final float[] SINE_960

SINE_120

public static final float[] SINE_120

KBD_1024

public static final float[] KBD_1024

KBD_128

public static final float[] KBD_128

KBD_960

public static final float[] KBD_960

KBD_120

public static final float[] KBD_120

Constructor Detail

FilterBank

public FilterBank(boolean smallFrames,
                  int channels)
           throws AACException

Throws:

AACException

Method Detail

process

public void process(ICSInfo.WindowSequence windowSequence,
                    int windowShape,
                    int windowShapePrev,
                    float[] _in,
                    float[] out,
                    int channel)

processLTP

public void processLTP(ICSInfo.WindowSequence windowSequence,
                       int windowShape,
                       int windowShapePrev,
                       float[] _in,
                       float[] out)

getOverlap

public float[] getOverlap(int channel)