Lines Matching refs:Sff
696 spx_word32_t Syy,See,Sxx,Sdd, Sff; in speex_echo_cancellation() local
796 Sff = 0; in speex_echo_cancellation()
805 Sff += mdf_inner_prod(st->e+chan*N, st->e+chan*N, st->frame_size); in speex_echo_cancellation()
895 Sff = See; in speex_echo_cancellation()
902 …= ADD32(MULT16_32_Q15(QCONST16(.6f,15),st->Davg1), MULT16_32_Q15(QCONST16(.4f,15),SUB32(Sff,See))); in speex_echo_cancellation()
903 …ADD32(MULT16_32_Q15(QCONST16(.85f,15),st->Davg2), MULT16_32_Q15(QCONST16(.15f,15),SUB32(Sff,See))); in speex_echo_cancellation()
904 …_MULT(VAR1_SMOOTH, st->Dvar1), FLOAT_MUL32U(MULT16_32_Q15(QCONST16(.4f,15),Sff), MULT16_32_Q15(QCO… in speex_echo_cancellation()
905 …MULT(VAR2_SMOOTH, st->Dvar2), FLOAT_MUL32U(MULT16_32_Q15(QCONST16(.15f,15),Sff), MULT16_32_Q15(QCO… in speex_echo_cancellation()
917 if (FLOAT_GT(FLOAT_MUL32U(SUB32(Sff,See),ABS32(SUB32(Sff,See))), FLOAT_MUL32U(Sff,Dbf))) in speex_echo_cancellation()
939 …if (FLOAT_GT(FLOAT_MUL32U(NEG32(SUB32(Sff,See)),ABS32(SUB32(Sff,See))), FLOAT_MULT(VAR_BACKTRACK,F… in speex_echo_cancellation()
958 See = Sff; in speex_echo_cancellation()
1022 || !(Sff < N*1e9 && Syy < N*1e9 && Sxx < N*1e9) in speex_echo_cancellation()
1030 } else if (SHR32(Sff, 2) > ADD32(Sdd, SHR32(MULT16_16(N, 10000),6))) in speex_echo_cancellation()