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  /external/chromium_org/third_party/opus/src/silk/float/
noise_shape_analysis_FLP.c 137 silk_float SNR_adj_dB, HarmBoost, HarmShapeGain, Tilt;
150 SNR_adj_dB = psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f );
156 psEncCtrl->coding_quality = silk_sigmoid( 0.25f * ( SNR_adj_dB - 20.0f ) );
161 SNR_adj_dB -= BG_SNR_DECR_dB * psEncCtrl->coding_quality * ( 0.5f + 0.5f * psEncCtrl->input_quality ) * b * b;
166 SNR_adj_dB += HARM_SNR_INCR_dB * psEnc->LTPCorr;
169 SNR_adj_dB += ( -0.4f * psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f ) + 6.0f ) * ( 1.0f - psEncCtrl->input_quality );
205 SNR_adj_dB += SPARSE_SNR_INCR_dB * ( psEncCtrl->sparseness - 0.5f );
292 gain_mult = (silk_float)pow( 2.0f, -0.16f * SNR_adj_dB );
  /external/libopus/silk/float/
noise_shape_analysis_FLP.c 137 silk_float SNR_adj_dB, HarmBoost, HarmShapeGain, Tilt;
150 SNR_adj_dB = psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f );
156 psEncCtrl->coding_quality = silk_sigmoid( 0.25f * ( SNR_adj_dB - 20.0f ) );
161 SNR_adj_dB -= BG_SNR_DECR_dB * psEncCtrl->coding_quality * ( 0.5f + 0.5f * psEncCtrl->input_quality ) * b * b;
166 SNR_adj_dB += HARM_SNR_INCR_dB * psEnc->LTPCorr;
169 SNR_adj_dB += ( -0.4f * psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f ) + 6.0f ) * ( 1.0f - psEncCtrl->input_quality );
205 SNR_adj_dB += SPARSE_SNR_INCR_dB * ( psEncCtrl->sparseness - 0.5f );
292 gain_mult = (silk_float)pow( 2.0f, -0.16f * SNR_adj_dB );

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