Searched defs:loudness (Results 1 - 4 of 4) sorted by relevance

/external/webrtc/webrtc/modules/audio_processing/agc/
H A Dutility.cc19 double Loudness2Db(double loudness) { argument
20 return loudness * kLinear2DbScale / kLinear2LoudnessScale;
H A Dagc.cc80 double loudness = Linear2Loudness(histogram_->CurrentRms()); local
81 *error = std::floor(Loudness2Db(target_level_loudness_ - loudness) + 0.5);
H A Dhistogram_unittest.cc28 double loudness; member in struct:webrtc::InputOutput
85 abs_err = std::min(fabs(current_loudness), fabs(io.loudness)) *
87 ASSERT_NEAR(current_loudness, io.loudness, abs_err);
/external/speex/libspeex/
H A Dpreprocess.c236 float *loudness_weight; /**< Perceptual loudness curve */
237 float loudness; /**< Loudness estimate */ member in struct:SpeexPreprocessState_
293 in the loudness domain ( sqrt[amplitude] )
353 in the loudness domain ( sqrt[amplitude] )
515 /*st->loudness = pow(AMP_SCALE*st->agc_level,LOUDNESS_EXP);*/
516 st->loudness = 1e-15;
574 float loudness=1.f; local
579 loudness += 2.f*N*st->ps[i]* st->loudness_weight[i];
581 loudness=sqrt(loudness);
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