148 …silk_encoder_state_FLP          *psEnc,                             /* I/O  Encoder state FLP     …  in silk_noise_shape_analysis_FLP()  argument
154     silk_shape_state_FLP *psShapeSt = &psEnc->sShape;  in silk_noise_shape_analysis_FLP()
165     x_ptr = x - psEnc->sCmn.la_shape;  in silk_noise_shape_analysis_FLP()
170     SNR_adj_dB = psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f );  in silk_noise_shape_analysis_FLP()
173 …psEncCtrl->input_quality = 0.5f * ( psEnc->sCmn.input_quality_bands_Q15[ 0 ] + psEnc->sCmn.input_q…  in silk_noise_shape_analysis_FLP()
178     if( psEnc->sCmn.useCBR == 0 ) {  in silk_noise_shape_analysis_FLP()
180         b = 1.0f - psEnc->sCmn.speech_activity_Q8 * ( 1.0f /  256.0f );  in silk_noise_shape_analysis_FLP()
184     if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) {  in silk_noise_shape_analysis_FLP()
186         SNR_adj_dB += HARM_SNR_INCR_dB * psEnc->LTPCorr;  in silk_noise_shape_analysis_FLP()
189 …SNR_adj_dB += ( -0.4f * psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f ) + 6.0f ) * ( 1.0f - psEncCtrl->inpu…  in silk_noise_shape_analysis_FLP()
196     if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) {  in silk_noise_shape_analysis_FLP()
198         psEnc->sCmn.indices.quantOffsetType = 0;  in silk_noise_shape_analysis_FLP()
201         nSamples = 2 * psEnc->sCmn.fs_kHz;  in silk_noise_shape_analysis_FLP()
205         nSegs = silk_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr ) / 2;  in silk_noise_shape_analysis_FLP()
218             psEnc->sCmn.indices.quantOffsetType = 0;  in silk_noise_shape_analysis_FLP()
220             psEnc->sCmn.indices.quantOffsetType = 1;  in silk_noise_shape_analysis_FLP()
232     warping = (silk_float)psEnc->sCmn.warping_Q16 / 65536.0f + 0.01f * psEncCtrl->coding_quality;  in silk_noise_shape_analysis_FLP()
237     for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {  in silk_noise_shape_analysis_FLP()
240         flat_part = psEnc->sCmn.fs_kHz * 3;  in silk_noise_shape_analysis_FLP()
241         slope_part = ( psEnc->sCmn.shapeWinLength - flat_part ) / 2;  in silk_noise_shape_analysis_FLP()
250         x_ptr += psEnc->sCmn.subfr_length;  in silk_noise_shape_analysis_FLP()
252         if( psEnc->sCmn.warping_Q16 > 0 ) {  in silk_noise_shape_analysis_FLP()
255                 psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder );  in silk_noise_shape_analysis_FLP()
258 …silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLP…  in silk_noise_shape_analysis_FLP()
265         nrg = silk_schur_FLP( rc, auto_corr, psEnc->sCmn.shapingLPCOrder );  in silk_noise_shape_analysis_FLP()
266         silk_k2a_FLP( &psEncCtrl->AR[ k * MAX_SHAPE_LPC_ORDER ], rc, psEnc->sCmn.shapingLPCOrder );  in silk_noise_shape_analysis_FLP()
269         if( psEnc->sCmn.warping_Q16 > 0 ) {  in silk_noise_shape_analysis_FLP()
271 …[ k ] *= warped_gain( &psEncCtrl->AR[ k * MAX_SHAPE_LPC_ORDER ], warping, psEnc->sCmn.shapingLPCOr…  in silk_noise_shape_analysis_FLP()
275 …silk_bwexpander_FLP( &psEncCtrl->AR[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder, BWExp…  in silk_noise_shape_analysis_FLP()
277         if( psEnc->sCmn.warping_Q16 > 0 ) {  in silk_noise_shape_analysis_FLP()
279 …2monic_coefs( &psEncCtrl->AR[ k * MAX_SHAPE_LPC_ORDER ], warping, 3.999f, psEnc->sCmn.shapingLPCOr…  in silk_noise_shape_analysis_FLP()
282 …     limit_coefs( &psEncCtrl->AR[ k * MAX_SHAPE_LPC_ORDER ], 3.999f, psEnc->sCmn.shapingLPCOrder );  in silk_noise_shape_analysis_FLP()
292     for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {  in silk_noise_shape_analysis_FLP()
301 …strength = LOW_FREQ_SHAPING * ( 1.0f + LOW_QUALITY_LOW_FREQ_SHAPING_DECR * ( psEnc->sCmn.input_qua…  in silk_noise_shape_analysis_FLP()
302     strength *= psEnc->sCmn.speech_activity_Q8 * ( 1.0f /  256.0f );  in silk_noise_shape_analysis_FLP()
303     if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) {  in silk_noise_shape_analysis_FLP()
306         for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {  in silk_noise_shape_analysis_FLP()
307             b = 0.2f / psEnc->sCmn.fs_kHz + 3.0f / psEncCtrl->pitchL[ k ];  in silk_noise_shape_analysis_FLP()
312 …    (1 - HP_NOISE_COEF) * HARM_HP_NOISE_COEF * psEnc->sCmn.speech_activity_Q8 * ( 1.0f /  256.0f );  in silk_noise_shape_analysis_FLP()
314         b = 1.3f / psEnc->sCmn.fs_kHz;  in silk_noise_shape_analysis_FLP()
317         for( k = 1; k < psEnc->sCmn.nb_subfr; k++ ) {  in silk_noise_shape_analysis_FLP()
327     if( USE_HARM_SHAPING && psEnc->sCmn.indices.signalType == TYPE_VOICED ) {  in silk_noise_shape_analysis_FLP()
336         HarmShapeGain *= ( silk_float )sqrt( psEnc->LTPCorr );  in silk_noise_shape_analysis_FLP()
344     for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {  in silk_noise_shape_analysis_FLP()