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Tuning of the stereo mode, including conversion to the 18-band split.

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This commit is contained in:
Jean-Marc Valin 2008-01-10 17:02:36 +11:00
parent a4833ffada
commit f8dda66a8e
1 changed files with 14 additions and 10 deletions
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24
libcelt/modes.c
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@ -70,6 +70,10 @@ const int qpulses1[NBANDS128] = {7, 5, 5, 5, 4, 5, 4, 5, 5, 4, 2, 0, 0, 0,
const int qpulses2[NBANDS128] = {28,24,20,16,24,20, 18, 12, 10, 10,-7, -4, 0, 0, 0}; const int qpulses2[NBANDS128] = {28,24,20,16,24,20, 18, 12, 10, 10,-7, -4, 0, 0, 0};
const int qpulses2s[NBANDS128] ={38,30,24,20,24,20, 18, 16, 14, 20,-20,-14, -8, -8, -5}; const int qpulses2s[NBANDS128] ={38,30,24,20,24,20, 18, 16, 14, 20,-20,-14, -8, -8, -5};
const int qpulses4s[NBANDS128] ={38,35,32,28,25,23, 21, 19, 20, 18,19,20, 20, 20, 18, 16, 16, 16};
//const int qpulses4s[NBANDS128] ={38,35,30,27,24,22, 21, 20, 22, 20,20,20, 20, 20, 14, 12, 12, 12};
const int pbank1[PBANDS128+2] = {0, 2, 4, 6, 8, 12, 20, 28, PITCH_END128, 128}; const int pbank1[PBANDS128+2] = {0, 2, 4, 6, 8, 12, 20, 28, PITCH_END128, 128};
//const int pbank1[PBANDS128+2] = {0, 4, 8, 12, 20, PITCH_END128, 128}; //const int pbank1[PBANDS128+2] = {0, 4, 8, 12, 20, PITCH_END128, 128};
@ -162,22 +166,22 @@ const CELTMode mode3 = {
/* Stereo mode around 120 kbps */ /* Stereo mode around 120 kbps */
const CELTMode mode4 = { const CELTMode mode4 = {
128, /**< overlap */ 256, /**< overlap */
256, /**< mdctSize */ 256, /**< mdctSize */
1, /**< nbMdctBlocks */ 1, /**< nbMdctBlocks */
2, /**< channels */ 2, /**< channels */
NBANDS256, /**< nbEBands */ NBANDS, /**< nbEBands */
PBANDS256, /**< nbPBands */ PBANDS, /**< nbPBands */
PITCH_END256,/**< pitchEnd */ PITCH_END,/**< pitchEnd */
qbank3, /**< eBands */ qbank0, /**< eBands */
pbank3, /**< pBands*/ pbank0, /**< pBands*/
qpulses2s, /**< nbPulses */ qpulses4s, /**< nbPulses */
0.7, /**< ePredCoef */ 0.8, /**< ePredCoef */
means, /**< eMeans */ means18, /**< eMeans */
decay, /**< eDecay */ decay18, /**< eDecay */
}; };
const CELTMode const *celt_mode0 = &mode0; const CELTMode const *celt_mode0 = &mode0;