Lines Matching refs:A_Q28
284 const opus_int32 *A_Q28, /* I: AR coefficients [2] */
297 A[0] = (opus_val32)(A_Q28[0] * (1.f/((opus_int32)1<<28)));
298 A[1] = (opus_val32)(A_Q28[1] * (1.f/((opus_int32)1<<28)));
303 /* Negate A_Q28 values and split in two parts */
322 opus_int32 B_Q28[ 3 ], A_Q28[ 2 ];
339 A_Q28[ 0 ] = silk_SMULWW( r_Q22, silk_SMULWW( Fc_Q19, Fc_Q19 ) - SILK_FIX_CONST( 2.0, 22 ) );
340 A_Q28[ 1 ] = silk_SMULWW( r_Q22, r_Q22 );
343 silk_biquad_alt( in, B_Q28, A_Q28, hp_mem, out, len, channels );
345 silk_biquad_alt( in+1, B_Q28, A_Q28, hp_mem+2, out+1, len, channels );
348 silk_biquad_float( in, B_Q28, A_Q28, hp_mem, out, len, channels );
350 silk_biquad_float( in+1, B_Q28, A_Q28, hp_mem+2, out+1, len, channels );