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

--- a/libcelt/modes.c

+++ b/libcelt/modes.c

@@ -114,11 +114,22 @@

    };

 #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)