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Decision on whether to use pitch is now taken only based on energy in the

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first three bands (instead of total MDCT window energy)
This commit is contained in:
Jean-Marc Valin 2008-03-26 08:10:27 +11:00
parent d9584dbafc
commit bd2828f64b
4 changed files with 15 additions and 11 deletions
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2
libcelt/vq.c
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@ -167,7 +167,7 @@ void alg_quant(celt_norm_t *X, celt_mask_t *W, int N, int K, const celt_norm_t *
/* Temporary sums of the new pulse(s) */
Rxy = xy + MULT16_16(s,X[j]);
Ryy = yy + 2*MULT16_16(s,y[j]) + MULT16_16(s,s);
Ryp = yp + MULT16_16(s, P[j]);
/* This score is approximate, but good enough for the first pulses */
scores[j] = MULT32_32_Q31(MULT16_16(ROUND16(Rxy,14),ABS16(ROUND16(Rxy,14))), celt_rcp(SHR32(Ryy,12)));
}
} else {