Lines Matching refs:gain
20 * Description:Compute the gain of pitch. Result in Q12 *
21 * if(gain < 0) gain = 0 *
22 * if(gain > 1.2) gain = 1.2 *
29 Word16 G_pitch( /* (o) Q14 : Gain of pitch lag saturated to 1.2 */
32 Word16 g_coeff[], /* : Correlations need for gain quantization. */
37 Word16 xy, yy, exp_xy, exp_yy, gain;
56 /* If (xy < 0) gain = 0 */
60 /* compute gain = xy/yy */
63 gain = div_s(xy, yy);
68 gain = shl(gain, i);
70 /* if (gain > 1.2) gain = 1.2 in Q14 */
71 if(gain > 19661)
73 gain = 19661;
75 return (gain);
