org.xiph.speex
Class NbLspQuant

java.lang.Object
  org.xiph.speex.LspQuant
      org.xiph.speex.NbLspQuant

All Implemented Interfaces:

Codebook

public class NbLspQuant

extends LspQuant

LSP Quantisation and Unquantisation (narrowband)

Version:

$Revision: 1.4 $

Author:

Jim Lawrence, helloNetwork.com, Marc Gimpel, Wimba S.A. (marc@wimba.com)

Field Summary

Fields inherited from class org.xiph.speex.LspQuant

MAX_LSP_SIZE

Fields inherited from interface org.xiph.speex.Codebook

cdbk_nb, cdbk_nb_high1, cdbk_nb_high2, cdbk_nb_low1, cdbk_nb_low2, exc_10_16_table, exc_10_32_table, exc_20_32_table, exc_5_256_table, exc_5_64_table, exc_8_128_table, gain_cdbk_lbr, gain_cdbk_nb, h0, h1, hexc_10_32_table, hexc_table, high_lsp_cdbk, high_lsp_cdbk2, NB_CDBK_SIZE, NB_CDBK_SIZE_HIGH1, NB_CDBK_SIZE_HIGH2, NB_CDBK_SIZE_LOW1, NB_CDBK_SIZE_LOW2

Constructor Summary

NbLspQuant()

Method Summary

void	quant(float[] lsp, float[] qlsp, int order, Bits bits) Line Spectral Pair Quantification (narrowband).
void	unquant(float[] lsp, int order, Bits bits) Line Spectral Pair Unquantification (narrowband).

Methods inherited from class org.xiph.speex.LspQuant

lsp_quant, lsp_weight_quant, unpackPlus

Methods inherited from class java.lang.Object

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

Constructor Detail

NbLspQuant

public NbLspQuant()

Method Detail

quant

public final void quant(float[] lsp,
                        float[] qlsp,
                        int order,
                        Bits bits)

Line Spectral Pair Quantification (narrowband).

Specified by:

quant in class LspQuant

Parameters:

lsp - - Line Spectral Pairs table.

qlsp - - Quantified Line Spectral Pairs table.

order -

bits - - Speex bits buffer.

unquant

public final void unquant(float[] lsp,
                          int order,
                          Bits bits)

Line Spectral Pair Unquantification (narrowband).

Specified by:

unquant in class LspQuant

Parameters:

lsp - - Line Spectral Pairs table.

order -

bits - - Speex bits buffer.