de.dfki.lt.mary.unitselection
Class LPCDatagram

java.lang.Object
  de.dfki.lt.mary.unitselection.Datagram
      de.dfki.lt.mary.unitselection.LPCDatagram

public class LPCDatagram
extends Datagram

Field Summary

protected short[]	quantizedCoeffs
protected byte[]	quantizedResidual

Fields inherited from class de.dfki.lt.mary.unitselection.Datagram

data, duration

Constructor Summary

LPCDatagram(long setDuration, float[] coeffs, short[] residual, float lpcMin, float lpcRange)
Construct an LPC datagram from unquantized data.

LPCDatagram(long setDuration, short[] quantizedCoeffs, byte[] quantizedResidual)
Construct an LPC datagram from quantized data.

LPCDatagram(java.io.RandomAccessFile raf, int lpcOrder)
Constructor which pops a datagram from a random access file.

Method Summary

boolean	equals(Datagram other) Tests if this datagram is equal to another datagram.
float[]	getCoeffs(float lpcMin, float lpcRange) Get the LPC coefficients, unquantized using the given lpc min and range values.
int	getLength() Get the length, in bytes, of the datagram's data field.
short[]	getQuantizedCoeffs() Get the quantized lpc coefficients
byte[]	getQuantizedResidual() Get the quantized residual.
short[]	getResidual() Get the unquantized residual
int	lpcOrder() Get the LPC order, i.e.
void	write(java.io.DataOutput out) Write this datagram to a random access file or data output stream.

Methods inherited from class de.dfki.lt.mary.unitselection.Datagram

getData, getDuration, setDuration

Methods inherited from class java.lang.Object

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

Field Detail

quantizedCoeffs

protected short[] quantizedCoeffs

quantizedResidual

protected byte[] quantizedResidual

Constructor Detail

LPCDatagram

public LPCDatagram(long setDuration,
                   short[] quantizedCoeffs,
                   byte[] quantizedResidual)

Construct an LPC datagram from quantized data.

Parameters:

duration - the duration, in samples, of the data represented by this datagram

quantizedCoeffs - the quantized LPC coefficients

quantizedResidual - the quantized residual

LPCDatagram

public LPCDatagram(long setDuration,
                   float[] coeffs,
                   short[] residual,
                   float lpcMin,
                   float lpcRange)

Construct an LPC datagram from unquantized data.

Parameters:

duration - the duration, in samples, of the data represented by this datagram

coeffs - the (unquantized) LPC coefficients

residual - the (unquantized) residual

LPCDatagram

public LPCDatagram(java.io.RandomAccessFile raf,
                   int lpcOrder)
            throws java.io.IOException,
                   java.io.EOFException

Constructor which pops a datagram from a random access file.

Parameters:

raf - the random access file to pop the datagram from.

Throws:

java.io.IOException

java.io.EOFException

Method Detail

getLength

public int getLength()

Get the length, in bytes, of the datagram's data field.

Overrides:

getLength in class Datagram

lpcOrder

public int lpcOrder()

Get the LPC order, i.e. the number of LPC coefficients.

Returns:

the lpc order

See Also:

getQuantizedCoeffs(), #getCoeffs()

getQuantizedCoeffs

public short[] getQuantizedCoeffs()

Get the quantized lpc coefficients

Returns:

an array of shorts, length lpcOrder()

See Also:

lpcOrder(), #getCoeffs()

getQuantizedResidual

public byte[] getQuantizedResidual()

Get the quantized residual.

Returns:

an array of bytes

getCoeffs

public float[] getCoeffs(float lpcMin,
                         float lpcRange)

Get the LPC coefficients, unquantized using the given lpc min and range values.

Parameters:

lpcMin - the lpc minimum

lpcRange - the lpc range

Returns:

an array of floats, length lpcOrder()

See Also:

lpcOrder(), getQuantizedCoeffs()

getResidual

public short[] getResidual()

Get the unquantized residual

Returns:

an array of shorts

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Write this datagram to a random access file or data output stream.

Overrides:

write in class Datagram

Throws:

java.io.IOException

equals

public boolean equals(Datagram other)

Tests if this datagram is equal to another datagram.

Overrides:

equals in class Datagram