marytts.unitselection.data

Class LPCDatagram

java.lang.Object

marytts.util.data.Datagram

marytts.unitselection.data.LPCDatagram

public class LPCDatagram
extends Datagram

Field Summary

Fields

Modifier and Type	Field and Description
protected short[]	quantizedCoeffs
protected byte[]	quantizedResidual

Fields inherited from class marytts.util.data.Datagram

data, duration, NUM_HEADER_BYTES

Constructor Summary

Constructors

Constructor and Description
LPCDatagram(ByteBuffer bb, int lpcOrder) Constructor which pops a datagram from a byte buffer.
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(RandomAccessFile raf, int lpcOrder) Constructor which pops a datagram from a random access file.

Method Summary

Modifier and Type	Method and Description
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(DataOutput out) Write this datagram to a random access file or data output stream.

Methods inherited from class marytts.util.data.Datagram

equals, getData, getDuration, setDuration

Methods inherited from class java.lang.Object

clone, 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:

setDuration - 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:

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

coeffs - the (unquantized) LPC coefficients

residual - the (unquantized) residual

lpcMin - lpcMin

lpcRange - lpcRange

LPCDatagram

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

Constructor which pops a datagram from a random access file.

Parameters:

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

lpcOrder - lpcOrder

Throws:

IOException - IOException

EOFException - EOFException

LPCDatagram

public LPCDatagram(ByteBuffer bb,
                   int lpcOrder)
            throws IOException,
                   EOFException

Constructor which pops a datagram from a byte buffer.

Parameters:

bb - the byte buffer to pop the datagram from.

lpcOrder - lpcOrder

Throws:

IOException - IOException

EOFException - 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(float lpcMin, float lpcRange)

getQuantizedCoeffs

public short[] getQuantizedCoeffs()

Get the quantized lpc coefficients

Returns:

an array of shorts, length lpcOrder()

See Also:

lpcOrder(), getCoeffs(float lpcMin, float lpcRange)

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(DataOutput out)
           throws IOException

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

Overrides:

write in class Datagram

Parameters:

out - out

Throws:

IOException - IOException

equals

public boolean equals(Datagram other)

Tests if this datagram is equal to another datagram.

Parameters:

other - other

Returns:

true if everything passes