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

/external/speex/libspeex/
H A Dpreprocess.c160 #define NOISE_SHIFT 7 macro
172 #define NOISE_SHIFT 0 macro
334 spx_sqrt(SHL32(EXTEND32(DIV32_16_Q15(PSHR32(noise[i],NOISE_SHIFT) + MULT16_32_Q15(gain_ratio,echo[i]),
335 (1+PSHR32(noise[i],NOISE_SHIFT) + echo[i]) )),15)));
344 spx_sqrt(SHL32(EXTEND32(DIV32_16_Q15(MULT16_32_Q15(gain_ratio,PSHR32(noise[i],NOISE_SHIFT)) + echo[i],
345 (1+PSHR32(noise[i],NOISE_SHIFT) + echo[i]) )),15)));
391 gain_floor[i] = FRAC_SCALING*sqrt(noise_floor*PSHR32(noise[i],NOISE_SHIFT) + echo_floor*echo[i])/sqrt(1+PSHR32(noise[i],NOISE_SHIFT) + echo[i]);
487 st->noise[i]=QCONST32(1.f,NOISE_SHIFT);
781 if (!st->update_prob[i] || st->ps[i] < PSHR32(st->noise[i], NOISE_SHIFT))
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