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Updated the 18-band mode (mode0) to use the low-overlap MDCT

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This commit is contained in:
Jean-Marc Valin 2008-01-08 16:22:37 +11:00
parent 2c53c14904
commit 95c59ea647
1 changed files with 6 additions and 6 deletions
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12
libcelt/modes.c
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@ -33,7 +33,7 @@
#define NBANDS 18
#define PBANDS 8
#define PITCH_END 37
#define PITCH_END 74
#define NBANDS128 15
#define PBANDS128 8
@ -57,10 +57,10 @@ static const int decay18[18] = {
14800, 13800, 12600, 12000, 11000, 11000, 10000, 10000, 9800, 8400, 8400, 8000, 7500, 7000, 7000, 7000, 6000, 6000
};
const int qbank0[NBANDS +2] = {0, 2, 4, 6, 8, 10, 12, 14, 16, 19, 22, 26, 31, 37, 45, 56, 71, 91, 116, 128};
const int pbank0[PBANDS +2] = {0, 2, 4, 6, 8, 12, 19, 31, PITCH_END, 128};
const int qbank0[NBANDS +2] = {0, 4, 8, 12, 16, 20, 24, 28, 32, 38, 44, 52, 62, 74, 90,112,142,182, 232,256};
const int pbank0[PBANDS +2] = {0, 4, 8, 12, 16, 24, 38, 62, PITCH_END, 256};
//const int pbank0[PBANDS +2] = {0, 4, 8, 12, 19, PITCH_END, 128};
const int qpulses0[NBANDS ] = {7, 5, 5, 4, 4, 3, 3, 2, 3, 2, 2, 2, 2, 1, 0, 0, 0, 0};
const int qpulses0[NBANDS ] = {7, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 0, 0, 0, 0};
//const int qpulses0[NBANDS ] = {7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 4, 3, 3, -2, 0, 0, 0, 0};
@ -83,8 +83,8 @@ const int pbank3[PBANDS256+2] = {0, 4, 8, 12, 16, 24, 40, 56, PITCH_END128, 128}
const CELTMode mode0 = {
128, /**< overlap */
128, /**< mdctSize */
2, /**< nbMdctBlocks */
256, /**< mdctSize */
1, /**< nbMdctBlocks */
1, /**< channels */
NBANDS, /**< nbEBands */