Searched defs:SNR_SHIFT (Results 1 - 1 of 1) sorted by relevance

/external/speex/libspeex/
H A Dpreprocess.c149 #define SNR_SHIFT 8 macro
168 #define SNR_SHIFT 0 macro
309 return ADD32(EXTEND32(Q15_ONE),EXTEND32(DIV32_16(QCONST32(.1296,23), SHR32(xx,EXPIN_SHIFT-SNR_SHIFT))));
491 st->post[i]=SHL16(1, SNR_SHIFT);
492 st->prior[i]=SHL16(1, SNR_SHIFT);
800 st->post[i] = SUB16(DIV32_16_Q8(ps[i],tot_noise), QCONST16(1.f,SNR_SHIFT));
801 st->post[i]=MIN16(st->post[i], QCONST16(100.f,SNR_SHIFT));
808 st->prior[i]=MIN16(st->prior[i], QCONST16(100.f,SNR_SHIFT));
850 prior_ratio = PDIV32_16(SHL32(EXTEND32(st->prior[i]), 15), ADD16(st->prior[i], SHL32(1,SNR_SHIFT)));
851 theta = MULT16_32_P15(prior_ratio, QCONST32(1.f,EXPIN_SHIFT)+SHL32(EXTEND32(st->post[i]),EXPIN_SHIFT-SNR_SHIFT));
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