/// <summary>
/// Build ultra-wideband submodes.
/// </summary>
/// <returns>the ultra-wideband submodes.</returns>
protected static internal SubMode[] BuildUwbSubModes()
{
/* Initialize Long Term Predictions */
HighLspQuant highLU = new HighLspQuant();
SubMode[] uwbSubModes = new SubMode[SB_SUBMODES];
uwbSubModes[1] = new SubMode(0, 0, 1, 0, highLU, null, null, .75f, .75f, -1, 2);
return(uwbSubModes);
}
/// <summary>
/// Build wideband submodes.
/// </summary>
/// <returns>the wideband submodes.</returns>
protected static internal SubMode[] BuildWbSubModes()
{
// Initialize Long Term Predictions
HighLspQuant highLU = new HighLspQuant();
// Initialize Codebook Searches
SplitShapeSearch ssCbHighLbrSearch = new SplitShapeSearch(40, 10, 4, NSpeex.Codebook_Constants.hexc_10_32_table, 5, 0);
SplitShapeSearch ssCbHighSearch = new SplitShapeSearch(40, 8, 5, NSpeex.Codebook_Constants.hexc_table, 7, 1);
// Initialize wide-band modes
SubMode[] wbSubModes = new SubMode[SB_SUBMODES];
wbSubModes[1] = new SubMode(0, 0, 1, 0, highLU, null, null, .75f, .75f, -1, 36);
wbSubModes[2] = new SubMode(0, 0, 1, 0, highLU, null, ssCbHighLbrSearch, .85f, .6f, -1, 112);
wbSubModes[3] = new SubMode(0, 0, 1, 0, highLU, null, ssCbHighSearch, .75f, .7f, -1, 192);
wbSubModes[4] = new SubMode(0, 0, 1, 1, highLU, null, ssCbHighSearch, .75f, .75f, -1, 352);
return(wbSubModes);
}
