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Tuned the 5ms mode to have a band at 4 kHz and one at 8 kHz

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This commit is contained in:
Jean-Marc Valin 2010-05-19 16:10:12 -04:00
parent 5f96146a85
commit 20639c416c
1 changed files with 11 additions and 0 deletions
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11
libcelt/modes.c
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@ -114,11 +114,22 @@ static const unsigned char band_allocation[BARK_BANDS*BITALLOC_SIZE] =
};
#endif
static const celt_int16 eband5ms[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 17, 20, 23, 27, 33, 40, 48, 60, 78, 100};
static celt_int16 *compute_ebands(celt_int32 Fs, int frame_size, int res, int *nbEBands)
{
celt_int16 *eBands;
int i, lin, low, high, nBark, offset=0;
if (Fs == 400*(celt_int32)frame_size && Fs >= 40000)
{
*nbEBands = sizeof(eband5ms)/sizeof(eband5ms[0])-1;
eBands = celt_alloc(sizeof(celt_int16)*(*nbEBands+2));
for (i=0;i<*nbEBands+2;i++)
eBands[i] = eband5ms[i];
eBands[*nbEBands+1] = frame_size;
return eBands;
}
/* Find the number of critical bands supported by our sampling rate */
for (nBark=1;nBark<BARK_BANDS;nBark++)
if (bark_freq[nBark+1]*2 >= Fs)