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    Searched defs:A_Q28 (Results 1 - 2 of 2) sorted by null

  /external/libopus/silk/
LP_variable_cutoff.c 43 opus_int32 A_Q28[ TRANSITION_NA ],
62 A_Q28[ na ] = silk_SMLAWB(
79 A_Q28[ na ] = silk_SMLAWB(
88 silk_memcpy( A_Q28, silk_Transition_LP_A_Q28[ ind ], TRANSITION_NA * sizeof( opus_int32 ) );
92 silk_memcpy( A_Q28, silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM - 1 ], TRANSITION_NA * sizeof( opus_int32 ) );
106 opus_int32 B_Q28[ TRANSITION_NB ], A_Q28[ TRANSITION_NA ], fac_Q16 = 0;
126 silk_LP_interpolate_filter_taps( B_Q28, A_Q28, ind, fac_Q16 );
133 silk_biquad_alt( frame, B_Q28, A_Q28, psLP->In_LP_State, frame, frame_length, 1);
  /external/libopus/src/
opus_encoder.c 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 )
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