Merge branch 'main' of ssh://forge.3gpp.org:29419/sa4/audio/ivas-basop into... (54ac62a3) · Commits · SA4 / Audio / IVAS BASOP

lib_com/ivas_prot_fx.h

+22 −1

Original line number	Diff line number	Diff line
		@@ -1601,6 +1601,7 @@ void ivas_hq_core_dec_fx(
		Word16 *Q_output
		);

		#ifndef HARMONIZE_TBE
		void ivas_HQ_FEC_Mem_update_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		Word32 t_audio_q_fx, /Q12*/
		@@ -1616,6 +1617,7 @@ void ivas_HQ_FEC_Mem_update_fx(
		Word16 hq_core_type, /* i : normal or low-rate MDCT(HQ) core */
		Word16 output_frame
		);
		#endif
		/* o : Consumed bits Q0 */
		Word16 ivas_hq_classifier_dec_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		@@ -1865,6 +1867,7 @@ void stereoFdCngCoherence_fx(
		Word16 fft_exp
		);

		#ifndef HARMONIZE_TBE
		void ivas_wb_tbe_dec_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		const Word16 coder_type, /* i : coding type */
		@@ -1893,7 +1896,7 @@ void GenShapedWBExcitation_ivas_fx(
		const Word16 uv_flag, /* i : unvoiced flag */
		const Word16 igf_flag
		);

		#endif
		/* o : Q_syn_hb*/
		Word16 ivas_wb_bwe_dec_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		@@ -2060,19 +2063,37 @@ UWord32 ivas_syn_output_fx(
		Word16 synth_out / o : integer 16 bits synthesis signal */
		);

		#ifdef FIX_2396_CONSTANT_STRIDE_IN_TC_BUFFER
		void ivas_buffer_interleaved_to_deinterleaved_fx(
		Word32 audio_in, / i : interleaved audio buffer */
		Word32 audio_out[], / o : pointers to each channel of deinterleaved audio buffer */
		const Word16 n_channels, /* i : number of channels */
		const Word16 frame_length /* i : frame length (one channel) */
		);
		#else
		void ivas_buffer_interleaved_to_deinterleaved_fx(
		Word32 audio, / i/o: audio buffer */
		const Word16 n_channels, /* i : number of channels */
		const Word16 frame_length, /* i : frame length (one channel) */
		const Word16 n_samp_full /* i : full frame length (one channel) */
		);
		#endif

		#ifdef FIX_2396_CONSTANT_STRIDE_IN_TC_BUFFER
		void ivas_buffer_deinterleaved_to_interleaved_fx(
		Word32 audio_in[], / i : pointers to each channel of deinterleaved audio buffer */
		Word32 audio_out, / o : interleaved audio buffer */
		const Word16 n_channels, /* i : number of channels */
		const Word16 frame_length /* i : frame length (one channel) */
		);
		#else
		void ivas_buffer_deinterleaved_to_interleaved_fx(
		Word32 audio[], / i : deinterleaved audio buffer */
		const Word16 n_channels, /* i : number of channels */
		const Word16 frame_length, /* i : frame length (one channel) */
		Word32 audio_out / o : interleaved audio buffer */
		);
		#endif

		void stereo_tcx_core_dec_fx(
		Decoder_State st, / i/o: decoder state structure */

lib_com/ivas_tools_fx.c

+66 −0

Original line number	Diff line number	Diff line
		@@ -160,6 +160,38 @@ UWord32 ivas_syn_output_fx(
		* Convert an interleaved buffer of audio channels to deinterleaved one
		-------------------------------------------------------------------/

		#ifdef FIX_2396_CONSTANT_STRIDE_IN_TC_BUFFER
		void ivas_buffer_interleaved_to_deinterleaved_fx(
		Word32 audio_in, / i : interleaved audio buffer */
		Word32 audio_out[], / o : pointers to each channel of deinterleaved audio buffer */
		const Word16 n_channels, /* i : number of channels */
		const Word16 frame_length /* i : frame length (one channel) */
		)
		{
		Word16 ch, s;
		Word32 buffer[MAX_TRANSPORT_CHANNELS][MAX_JBM_L_FRAME48k]; /* temp buffer needed when "audio_in" and "audio_out[]" point to the same memory */

		FOR( ch = 0; ch < n_channels; ch++ )
		{
		FOR( s = 0; s < frame_length; s++ )
		{
		buffer[ch][s] = audio_in[s * n_channels + ch];
		move32();
		}
		}

		FOR( ch = 0; ch < n_channels; ch++ )
		{
		FOR( s = 0; s < frame_length; s++ )
		{
		audio_out[ch][s] = buffer[ch][s];
		move32();
		}
		}

		return;
		}
		#else
		void ivas_buffer_interleaved_to_deinterleaved_fx(
		Word32 audio, / i/o: audio buffer */
		const Word16 n_channels, /* i : number of channels */
		@@ -189,6 +221,7 @@ void ivas_buffer_interleaved_to_deinterleaved_fx(

		return;
		}
		#endif


		/-------------------------------------------------------------------
		@@ -197,6 +230,38 @@ void ivas_buffer_interleaved_to_deinterleaved_fx(
		* Convert a deinterleaved buffer of audio channels to interleaved one
		-------------------------------------------------------------------/

		#ifdef FIX_2396_CONSTANT_STRIDE_IN_TC_BUFFER
		void ivas_buffer_deinterleaved_to_interleaved_fx(
		Word32 audio_in[], / i : pointers to each channel of deinterleaved audio buffer */
		Word32 audio_out, / o : interleaved audio buffer */
		const Word16 n_channels, /* i : number of channels */
		const Word16 frame_length /* i : frame length (one channel) */
		)
		{
		Word16 ch, s;
		Word32 buffer[MAX_OUTPUT_CHANNELS + MAX_NUM_OBJECTS][L_FRAME48k]; /* temp buffer needed when "audio_in[]" and "audio_out" point to the same memory */

		FOR( ch = 0; ch < n_channels; ch++ )
		{
		FOR( s = 0; s < frame_length; s++ )
		{
		buffer[ch][s] = audio_in[ch][s];
		move32();
		}
		}

		FOR( ch = 0; ch < n_channels; ch++ )
		{
		FOR( s = 0; s < frame_length; s++ )
		{
		audio_out[s * n_channels + ch] = buffer[ch][s];
		move32();
		}
		}

		return;
		}
		#else
		void ivas_buffer_deinterleaved_to_interleaved_fx(
		Word32 audio[], / i/o: deinterleaved audio buffer */
		const Word16 n_channels, /* i : number of channels */
		@@ -224,6 +289,7 @@ void ivas_buffer_deinterleaved_to_interleaved_fx(

		return;
		}
		#endif


		/-------------------------------------------------------------------

lib_com/options.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -108,6 +108,7 @@
		#define FIX_2382_COPY_AQ_IN_MCT /* FhG: basop issue 2382: 2nd instance of prevent copying uninitialized values from Aq_fx[][] to Aq_fx_32[][] in TCX */
		#define FIX_2391_INIT_HQ_GENERIC_OFFSET /* FhG/Eri: basop issue 2391: make sure hq_generic_offset is initialized inside hq_hr_dec_fx() */
		#define FIX_2397_COPY_AQ_MDCT_CORE_BFI /* FhG: prevent copying of uninit memory in MDCT stereo core if bfi is set */
		#define HARMONIZE_TBE /* VA: harmonize core-coder TBE function duplications */

		/* #################### End BE switches ################################## */

		@@ -119,6 +120,7 @@
		#define FIX_BASOP_2317_UNINIT_VALUE_IN_STEREO_CNG /* Eri: Basop issue 2317: Uninitialized value read in case of DTX and BW switching */
		#define FIX_1283_STEREO_DFT_COLLAPSE /* FhG: float issue 1283: fix for critical issue with DFT stereo core coder */
		#define FIX_2379_REMOVE_previoussynth_fx_32 /* VA: basop issue 2379: remove duplicated buffer st->previoussynth_fx_32[] */
		#define FIX_2396_CONSTANT_STRIDE_IN_TC_BUFFER /* FhG/VA: basop issue 2396: keep TC channel pointers in one constant place during decoding and rendering */

		/* ##################### End NON-BE switches ########################### */

lib_com/prot_fx.h

+75 −47

Original line number	Diff line number	Diff line
		@@ -2856,11 +2856,12 @@ void Calc_rc0_h(
		Word16 rc0 / o : 1st parcor */
		);

		#ifndef HARMONIZE_TBE
		void Calc_rc0_h_ivas_enc_fx(
		Word16 h, / i : impulse response of composed filter */
		Word16 rc0 / o : 1st parcor */
		);

		#endif
		void PostShortTerm_fx(
		Word16 sig_in, / i : i signal (pointer to current subframe */
		Word16 lpccoeff, / i : LPC coefficients for current subframe */
		@@ -2915,12 +2916,33 @@ void GenShapedWBExcitation_fx(
		const Word16 coder_type, /* i : coding type */
		const Word16 element_mode, /* i : element mode */
		const Word16 bwe_exc_extended, / i : bandwidth extended exciatation */
		const Word16 Q_bwe_exc,
		const Word16 Q_bwe_exc, /* i : Q for memories */
		Word16 bwe_seed[], /* i/o : random number generator seed */
		const Word16 voice_factors[], /* i : voicing factor */
		const Word16 signal_type,
		const Word16 igf_flag );

		#ifdef HARMONIZE_TBE
		void GenShapedWBExcitation_ivas_fx(
		Word16 excSHB, / o : synthesized shaped shb exctiation Q_bwe_exc*/
		const Word16 lpc_shb, / i : lpc coefficients Q12 */
		Word16 exc4kWhtnd, / o : whitened synthesized shb excitation Q_bwe_exc*/
		Word32 mem_csfilt, / i/o: memory Q_bwe_exc+16*/
		Word16 mem_genSHBexc_filt_down1, / i/o: memory Q_bwe_exc*/
		Word16 mem_genSHBexc_filt_down2, / i/o: memory Q_bwe_exc*/
		Word16 mem_genSHBexc_filt_down3, / i/o: memory Q_bwe_exc*/
		Word16 state_lpc_syn, / i/o: memory Q_bwe_exc*/
		const Word16 coder_type, /* i : coding type */
		const Word16 element_mode, /* i : element mode */
		const Word16 bwe_exc_extended, / i : bwidth extended exciatation Q_bwe_exc*/
		const Word16 Q_bwe_exc, /* i : Q for memories */
		Word16 bwe_seed[], /* i/o: random number generator seed */
		const Word16 voice_factors[], /* i : voicing factor Q15*/
		const Word16 uv_flag, /* i : unvoiced flag */
		const Word16 igf_flag /* i : IGF flag */
		);

		#endif
		void GenWBSynth_fx(
		const Word16 input_synspeech, / i : i synthesized speech */
		Word16 shb_syn_speech_16k, / o : output highband compnent */
		@@ -3094,7 +3116,7 @@ void ScaleShapedWB_fx(
		const Word32 frame_gain, /* i : frame gain */
		const Word16 win, / i : window */
		const Word16 subwin, / i : subframes window */
		const Word16 Q_bwe_exc,
		const Word16 Q_bwe_exc, /* i : Q for memories */
		Word16 L_frame, /* i : Frame length - determines whether 12.8 or 16kHz core in-use */
		Word16 dynQ, /* i : indicate whether output is dynamic Q, or Q0 */
		Word16 Qx, / o : newly computed Q factor for synSHB */
		@@ -5775,6 +5797,7 @@ void swb_tbe_dec_fx(
		Word16 *Q_synth,
		Word16 *pitch_buf );

		#ifndef HARMONIZE_TBE
		void ivas_dequantizeSHBparams_fx_9_1(
		Decoder_State *st_fx,
		const Word16 extl, /* i : extension layer */
		@@ -5787,8 +5810,9 @@ void ivas_dequantizeSHBparams_fx_9_1(
		Word16 Q_shb_res_gshape, / o : Q14 */
		Word16 Q_mixFactors, / o : Q15 */
		Word16 *MSFlag );

		#endif
		void fb_tbe_dec_fx(
		#ifndef HARMONIZE_TBE
		Decoder_State st, / i/o: encoder state structure */
		const Word16 fb_exc[], /* i : FB excitation from the SWB part */
		Word16 Q_fb_exc,
		@@ -5796,9 +5820,13 @@ void fb_tbe_dec_fx(
		Word16 hb_synth_exp );

		void fb_tbe_dec_ivas_fx(
		#endif
		Decoder_State st, / i/o: encoder state structure */
		const Word16 fb_exc[], /* i : FB excitation from the SWB part */
		Word16 Q_fb_exc,
		#ifdef HARMONIZE_TBE
		Word16 hb_synth16, / o : high-band synthesis Q(15 - hb_synth_exp) */
		#endif
		Word32 hb_synth, / o : high-band synthesis */
		Word16 hb_synth_exp,
		Word16 *fb_synth_ref,

lib_com/swb_tbe_com_fx.c

+73 −56

Original line number	Diff line number	Diff line
		@@ -8,30 +8,29 @@
		#include "rom_com.h" /* Static table prototypes */
		#include "prot_fx.h"
		#include "basop_util.h"
		#include "ivas_prot_fx.h"


		/-----------------------------------------------------------------
		* Local constants
		-----------------------------------------------------------------/

		#define POW_EXC16k_WHTND 1.14e11f /* power of random excitation, length 320 samples, uniform distribution */
		#define POW_EXC16k_WHTND_FX_INV_SQRT 6360 // Q31
		#define POW_EXC16k_WHTND_FX_INV_SQRT 6360 // 1.14e11f in Q31 power of random excitation, length 320 samples, uniform distribution
		#define POW_EXC16k_WHTND_FX_INV_SQRT_IN_Q49 1667313793 // Q49
		#define POW_EXC16k_WHTND_FX 178125000 // Q-6
		#define THR_ENV_ERROR_PLOSIVE 200.0f /* threshold for envelope error used in plosive detection */
		#define THR_ENV_ERROR_PLOSIVE_FX 200 /* threshold for envelope error used in plosive detection Q0 */


		/-----------------------------------------------------------------
		* Local function prototypes
		-----------------------------------------------------------------/

		static void create_random_vector_fx( Word16 output[], const Word16 length, Word16 seed[], Word16 element_mode );
		static void flip_spectrum_fx( const Word16 input[], Word16 output[], const Word16 length );
		static void Calc_st_filt_tbe( Word16 apond2, Word16 apond1, Word16 parcor0, Word16 sig_ltp_ptr, Word16 *mem_zero );
		static void Calc_st_filt_tbe_fx( Word16 apond2, Word16 apond1, Word16 parcor0, Word16 sig_ltp_ptr, Word16 *mem_zero );
		static void Hilbert_transform_fx( Word32 tmp_R[], Word32 tmp_I[], Word32 tmpi_R, Word32 tmpi_I, const Word16 length, const Word16 HB_stage_id );
		static void Hilbert_transform_sp_fx( Word16 tmp_R[], Word16 tmp_I[], Word32 tmpi_R, Word32 tmpi_I, const Word16 length, const Word16 HB_stage_id );
		void Estimate_mix_factors_fx( const Word16 shb_res, const Word16 Q_shb, const Word16 exc16kWhtnd, const Word16 Q_bwe_exc, const Word16 White_exc16k_frac, const Word16 Q_frac, const Word32 pow1, const Word16 Q_pow1, const Word32 pow22, const Word16 Q_pow22, Word16 vf_modified, Word16 *vf_ind );
		static void Estimate_mix_factors_fx( const Word16 shb_res, const Word16 Q_shb, const Word16 exc16kWhtnd, const Word16 Q_bwe_exc, const Word16 White_exc16k_frac, const Word16 Q_frac, const Word32 pow1, const Word16 Q_pow1, const Word32 pow22, const Word16 Q_pow22, Word16 vf_modified, Word16 *vf_ind );


		/-------------------------------------------------------------------
		* swb_tbe_reset()
		@@ -720,9 +719,15 @@ void Calc_rc0_h(
		rc0 = negate( rc0 );
		move16();
		}

		return;
		}

		#ifdef HARMONIZE_TBE
		static void Calc_rc0_h_ivas_enc_fx(
		#else
		void Calc_rc0_h_ivas_enc_fx(
		#endif
		Word16 h, / i : impulse response of composed filter */
		Word16 rc0 / o : 1st parcor */
		)
		@@ -781,7 +786,7 @@ void Calc_rc0_h_ivas_enc_fx(
		}
		}

		static void Calc_st_filt_tbe(
		static void Calc_st_filt_tbe_fx(
		Word16 apond2, / i : coefficients of numerator */
		Word16 apond1, / i : coefficients of denominator */
		Word16 parcor0, / o : 1st parcor calcul. on composed filter */
		@@ -819,6 +824,8 @@ static void Calc_st_filt_tbe(
		move16();
		}
		}

		return;
		}

		static void Calc_st_filt_tbe_ivas_enc_fx(
		@@ -859,8 +866,11 @@ static void Calc_st_filt_tbe_ivas_enc_fx(
		move16();
		}
		}

		return;
		}

		#ifndef HARMONIZE_TBE
		static void Calc_st_filt_tbe_ivas_dec_fx(
		Word16 apond2, / i : coefficients of numerator */
		Word16 apond1, / i : coefficients of denominator */
		@@ -899,8 +909,10 @@ static void Calc_st_filt_tbe_ivas_dec_fx(
		move16();
		}
		}
		}

		return;
		}
		#endif
		static void filt_mu_fx(
		const Word16 sig_in, / i : signal (beginning at sample -1) */
		Word16 sig_out, / o : output signal */
		@@ -1103,7 +1115,7 @@ void PostShortTerm_fx(
		move16();

		/* Control short term pst filter gain and compute parcor0 */
		Calc_st_filt_tbe( apond2_fx, apond1_fx, &parcor0_fx, sig_ltp_fx + 1, mem_zero );
		Calc_st_filt_tbe_fx( apond2_fx, apond1_fx, &parcor0_fx, sig_ltp_fx + 1, mem_zero );
		/* o: parcor0 in Q15 */
		/* i/o: sig_ltp_fx in Q_bwe_exc */

		@@ -1223,7 +1235,11 @@ void PostShortTerm_ivas_dec_fx(
		move16();

		/* Control short term pst filter gain and compute parcor0 */
		#ifdef HARMONIZE_TBE
		Calc_st_filt_tbe_fx( apond2_fx, apond1_fx, &parcor0_fx, sig_ltp_fx + 1, mem_zero );
		#else
		Calc_st_filt_tbe_ivas_dec_fx( apond2_fx, apond1_fx, &parcor0_fx, sig_ltp_fx + 1, mem_zero );
		#endif
		/* o: parcor0 in Q15 */
		/* i/o: sig_ltp_fx in Q_bwe_exc */

		@@ -1240,6 +1256,13 @@ void PostShortTerm_ivas_dec_fx(
		return;
		}


		/-------------------------------------------------------------------
		* flip_spectrum_and_decimby4()
		*
		*
		-------------------------------------------------------------------/

		void flip_spectrum_and_decimby4_fx(
		const Word16 input[], /* i : input spectrum Q_inp */
		Word16 output[], /* o : output spectrum Q_inp */
		@@ -1330,11 +1353,12 @@ void GenShapedWBExcitation_ivas_fx(
		const Word16 coder_type, /* i : coding type */
		const Word16 element_mode, /* i : element mode */
		const Word16 bwe_exc_extended, / i : bwidth extended exciatation Q_bwe_exc*/
		const Word16 Q_bwe_exc,
		const Word16 Q_bwe_exc, /* i : Q for memories */
		Word16 bwe_seed[], /* i/o: random number generator seed */
		const Word16 voice_factors[], /* i : voicing factor Q15*/
		const Word16 uv_flag, /* i : unvoiced flag */
		const Word16 igf_flag )
		const Word16 igf_flag /* i : IGF flag */
		)
		{
		Word16 i, j, k;
		Word16 wht_fil_mem[LPC_WHTN_ORDER_WB];
		@@ -4868,7 +4892,6 @@ void ScaleShapedSHB_fx(
		}
		}


		Q_gFr_norm = norm_l( frame_gain );
		if ( frame_gain == 0 )
		{
		@@ -5113,7 +5136,7 @@ void ScaleShapedWB_fx(
		const Word32 frame_gain, /* i : frame gain Q18*/
		const Word16 win, / i : window Q15*/
		const Word16 subwin, / i : subframes window Q15*/
		const Word16 Q_bwe_exc,
		const Word16 Q_bwe_exc, /* i : Q for memories */
		Word16 L_frame, /* i : Frame length - determines whether 12.8 or 16kHz core in-use */
		Word16 dynQ, /* i : indicate whether output is dynamic Q, or Q0 */
		Word16 Qx, / o : newly computed Q factor for synSHB */
		@@ -5128,6 +5151,7 @@ void ScaleShapedWB_fx(
		Word16 sum_gain;
		Word32 L_tmp;
		Word16 max_val, abs_sig, sc1, sc2, shift, max_headroom, min_shift, max_shift, max_shift2;

		/* Init */
		set32_fx( mod_syn, 0, L_FRAME16k + L_SHB_LAHEAD );

		@@ -5225,7 +5249,6 @@ void ScaleShapedWB_fx(
		}
		}


		max_val = 0;
		move16();
		FOR( i = 0; i < l_frame + l_shb_lahead; i++ )
		@@ -5997,6 +6020,7 @@ void interp_code_5over2_fx(
		Ltemp = L_mult( inp_code_fx[kk], factor_j_fx[1] ); /Q(16+x) /
		interp_code_fx[i + 1] = round_fx( Ltemp ); /Qx /
		move16();

		return;
		}

		@@ -6224,7 +6248,6 @@ void elliptic_bpf_48k_generic_fx(

		} /IsUpsampled3/


		memory_fx2[0][0] = input_fx[L_FRAME48k - 4];
		memory_fx2[0][1] = input_fx[L_FRAME48k - 3];
		memory_fx2[0][2] = input_fx[L_FRAME48k - 2];
		@@ -6272,7 +6295,6 @@ void elliptic_bpf_48k_generic_fx(
		}
		}


		Q_temp = norm_l( L_tmpMax );
		Q_temp = sub( Q_temp, 4 );
		Scale_sig32( L_tmp2, 960, Q_temp );
		@@ -6334,7 +6356,6 @@ void elliptic_bpf_48k_generic_fx(
		}
		}


		memory_fx2[2][0] = L_tmp2[L_FRAME48k - 4];
		memory_fx2[2][1] = L_tmp2[L_FRAME48k - 3];
		memory_fx2[2][2] = L_tmp2[L_FRAME48k - 2];
		@@ -6372,6 +6393,8 @@ void elliptic_bpf_48k_generic_fx(

		return;
		}


		/-------------------------------------------------------------------
		* synthesise_fb_high_band()
		*
		@@ -6428,20 +6451,12 @@ void synthesise_fb_high_band_fx(
		IF( EQ_16( L_frame, L_FRAME16k ) )
		{
		/* for 16kHz ACELP core */
		elliptic_bpf_48k_generic_fx(
		element_mode,
		1, // IsUpsampled3
		excitation_in_interp3, &exp_tmp, tmp, bpf_memory, bpf_memory_Q, full_band_bpf_3_fx

		);
		elliptic_bpf_48k_generic_fx( element_mode, 1, /* IsUpsampled3 */ excitation_in_interp3, &exp_tmp, tmp, bpf_memory, bpf_memory_Q, full_band_bpf_3_fx );
		}
		ELSE
		{
		/* for 12.8kHz ACELP core */
		elliptic_bpf_48k_generic_fx(
		element_mode,
		1, // IsUpsampled3
		excitation_in_interp3, &exp_tmp, tmp, bpf_memory, bpf_memory_Q, full_band_bpf_1_fx );
		elliptic_bpf_48k_generic_fx( element_mode, 1, /* IsUpsampled3 */ excitation_in_interp3, &exp_tmp, tmp, bpf_memory, bpf_memory_Q, full_band_bpf_1_fx );
		}
		/* temp1 = sum2_f( tmp, L_FRAME48k ) + 0.001f */
		temp1 = sum2_fx_mod( tmp, L_FRAME48k );
		@@ -6524,15 +6539,18 @@ void synthesise_fb_high_band_fx(
		move16();
		}
		}

		return;
		}


		/-------------------------------------------------------------------
		* Estimate_mix_factors_fx() *
		* *
		* Estimate mix factors for SHB excitation generation *
		-------------------------------------------------------------------/
		void Estimate_mix_factors_fx(

		static void Estimate_mix_factors_fx(
		const Word16 shb_res, / i : SHB LP residual in Q = Q_shb */
		const Word16 Q_shb,
		const Word16 exc16kWhtnd, / i : SHB transformed low band excitation Q_bwe_exc */
		@@ -6596,7 +6614,6 @@ void Estimate_mix_factors_fx(
		/* (Q_bwe_exc) */
		}


		length = L_FRAME16k;
		move16();
		temp_p1_p2 = Dot_product( temp_numer1, temp_numer2, length ); /* 2(Q_bwe_exc)+1 /
		@@ -6672,6 +6689,7 @@ void Estimate_mix_factors_fx(
		return;
		}


		/======================================================================================/
		/* FUNCTION : prep_tbe_exc_fx() */
		/--------------------------------------------------------------------------------------/
		@@ -6721,7 +6739,6 @@ void prep_tbe_exc_fx(
		const Word16 idchan, /* i : channel ID */
		const Word16 flag_TD_BWE, /* i : flag indicating whether hTD_BWE exists */
		const Word16 tdm_LRTD_flag /* i : LRTD stereo mode flag */

		)
		{
		Word16 i;

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