diff --git a/lib_com/options.h b/lib_com/options.h
index cbd62853c31127b80cd1a9b5ce4fe96c23a79aa4..47515333dcc4f0e4003436e6100d112ef88082f1 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -139,6 +139,7 @@
 #define FIX_680_CNG_FRAME_BOUNDARIES_ISSUE /* Step was right shift by 2, which made the OVA wrong */
 #define NONBE_FIX_1069_SVD_TUNING                       /* FhG: issue 1069: tune SVD constants */
 #define FIX_778_STEREO_BRATE_SWITCHING
+#define FIX_774_ENERGY_BURST                    /* Fix 0 bit BWE */
 /* ################## End DEVELOPMENT switches ######################### */
 
 /* clang-format on */
diff --git a/lib_com/prot.h b/lib_com/prot.h
index 866d3aa79879add3d5a6b5132ea69d1169b451c7..698b29187389699b918361f0aae7d1eb6eff8c3b 100644
--- a/lib_com/prot.h
+++ b/lib_com/prot.h
@@ -819,7 +819,7 @@ void hf_synth(
     float *synth,                  /* i/o: 12.8kHz synthesis signal    */
     float *synth16k                /* i/o: 16kHz synthesis signal      */
 );
-
+#ifndef FIX_774_ENERGY_BURST
 #ifdef IVAS_FLOAT_FIXED
 void hf_synth_ivas_fx(
     ZERO_BWE_DEC_HANDLE hBWE_zero, /* i/o: handle to 0 bit BWE parameters */
@@ -838,6 +838,7 @@ void hf_synth_ivas_fx(
     const Word16 CNG_mode,         /* i  : CNG_mode                       */
     Word16 element_mode );
 #endif
+#endif
 int16_t lsp_convert_poly(
     float w[],              /* i/o: LSP or ISP parameters          */
     const int16_t L_frame,  /* i  : flag for up or down conversion */
diff --git a/lib_dec/acelp_core_dec_fx.c b/lib_dec/acelp_core_dec_fx.c
index bb2dfffffd38b4acf3638ccf7449f6ddde1effcb..dd25918d25b859f3281838248f80369b6b316485 100644
--- a/lib_dec/acelp_core_dec_fx.c
+++ b/lib_dec/acelp_core_dec_fx.c
@@ -1787,8 +1787,13 @@ ivas_error acelp_core_dec_fx(
         IF( ( EQ_16( st_fx->L_frame, L_FRAME ) && NE_16( st_fx->bwidth, NB ) && GE_16( output_frame, L_FRAME16k ) &&
               ( EQ_16( st_fx->extl, -1 ) || EQ_16( st_fx->extl, SWB_CNG ) || ( EQ_16( st_fx->extl, WB_BWE ) && st_fx->extl_brate == 0 && NE_16( st_fx->coder_type, AUDIO ) ) ) ) )
         {
+#ifdef FIX_774_ENERGY_BURST
+            hf_synth_fx( st_fx->hBWE_zero, st_fx->core_brate, output_frame, Aq_fx, exc2_fx, syn_fx, synth_out, st_fx->Q_exc,
+                         st_fx->Q_syn2, st_fx->hBWE_zero->delay_syn_hf_fx, &st_fx->hBWE_zero->memExp1, st_fx->hBWE_zero->mem_hp_interp_fx, st_fx->extl, st_fx->CNG_mode );
+#else
             hf_synth_fx( st_fx->hBWE_zero, st_fx->core_brate, output_frame, Aq_fx, exc2_fx, syn_fx, synth_out, st_fx->Q_exc,
                          st_fx->Q_syn2, st_fx->hBWE_zero->delay_syn_hf_fx, &hBWE_FD->memExp1, st_fx->hBWE_zero->mem_hp_interp_fx, st_fx->extl, st_fx->CNG_mode );
+#endif
         }
         ELSE
         {
diff --git a/lib_dec/acelp_core_dec_ivas_fx.c b/lib_dec/acelp_core_dec_ivas_fx.c
index c594364118d1b75c1d338c07fbd9e508a46f50e3..89559d6c22194fa910a0bf00236833b1518f2a72 100644
--- a/lib_dec/acelp_core_dec_ivas_fx.c
+++ b/lib_dec/acelp_core_dec_ivas_fx.c
@@ -1882,22 +1882,29 @@ ivas_error acelp_core_dec_ivas_fx(
             IF( ( EQ_16( st->L_frame, L_FRAME ) && NE_16( st->bwidth, NB ) && GE_16( output_frame, L_FRAME16k ) &&
                   ( EQ_16( st->extl, -1 ) || EQ_16( st->extl, SWB_CNG ) || ( EQ_16( st->extl, WB_BWE ) && st->extl_brate == 0 && NE_16( st->coder_type, AUDIO ) ) ) ) )
             {
+#ifndef FIX_774_ENERGY_BURST
                 Word16 tmp_exp = 0;
+#endif
 #ifdef MSAN_FIX
                 Copy_Scale_sig_32_16( synth_fx, synth_fx16, output_frame, 0 );
 #else
             Copy_Scale_sig_32_16( synth_fx, synth_fx16, L_FRAME48k, 0 );
 #endif
-
-                hf_synth_ivas_fx( st->hBWE_zero, st->core_brate, output_frame, Aq_fx, exc_fx,
-                                  psyn_fx, synth_fx16, st->Q_exc, st->Q_syn2, st->hBWE_zero->delay_syn_hf_fx, &tmp_exp,
-                                  st->hBWE_zero->mem_hp_interp_fx, st->extl, st->CNG_mode, st->element_mode );
+#ifdef FIX_774_ENERGY_BURST
+                hf_synth_fx( st->hBWE_zero, st->core_brate, output_frame, Aq_fx, exc_fx,
+                             psyn_fx, synth_fx16, st->Q_exc, st->Q_syn2, st->hBWE_zero->delay_syn_hf_fx, &st->hBWE_zero->memExp1,
+                             st->hBWE_zero->mem_hp_interp_fx, st->extl, st->CNG_mode );
+#else
+            hf_synth_ivas_fx( st->hBWE_zero, st->core_brate, output_frame, Aq_fx, exc_fx,
+                              psyn_fx, synth_fx16, st->Q_exc, st->Q_syn2, st->hBWE_zero->delay_syn_hf_fx, &tmp_exp,
+                              st->hBWE_zero->mem_hp_interp_fx, st->extl, st->CNG_mode, st->element_mode );
+#endif
 #ifdef MSAN_FIX
                 Copy_Scale_sig_16_32( synth_fx16, synth_fx, output_frame, 0 );
 #else
             Copy_Scale_sig_16_32( synth_fx16, synth_fx, L_FRAME48k, 0 );
 #endif
-
+#ifndef FIX_774_ENERGY_BURST
                 IF( st->hBWE_FD != NULL )
                 {
                     st->hBWE_FD->memExp1 = tmp_exp;
@@ -1906,6 +1913,7 @@ ivas_error acelp_core_dec_ivas_fx(
                 {
                     Scale_sig( st->hBWE_zero->mem_hf_fx, L_FIR - 1, -tmp_exp );
                 }
+#endif
             }
             ELSE
             {
diff --git a/lib_dec/hf_synth_fx.c b/lib_dec/hf_synth_fx.c
index f848edd5fdb81bbe4dc84264355dfb84d9b37059..c63636e23e503ea23e4e742bec22182941f7dca4 100644
--- a/lib_dec/hf_synth_fx.c
+++ b/lib_dec/hf_synth_fx.c
@@ -24,9 +24,11 @@
 static void filt_6k_7k_scale_fx( Word16 signal[], Word16 lg, Word16 mem[], Word16 fact, Word16 exp );
 
 static void hf_synthesis_fx( ZERO_BWE_DEC_HANDLE hBWE_zero, const Word32 core_brate, const Word16 output_subfr, const Word16 Aq[], const Word16 exc[], const Word16 Q_exc, Word16 synth[], Word16 synth16k[], const Word16 Q_syn, Word16 *delay_syn_hf, Word16 *memExp1, Word16 *mem_hp_interp, const Word16 extl, const Word16 CNG_mode );
+#ifndef FIX_774_ENERGY_BURST
 #ifdef IVAS_FLOAT_FIXED
 static void hf_synthesis_ivas_fx( ZERO_BWE_DEC_HANDLE hBWE_zero, const Word32 core_brate, const Word16 output_subfr, const Word16 Aq[], const Word16 exc[], const Word16 Q_exc, Word16 synth[], Word16 synth16k[], const Word16 Q_syn, Word16 *delay_syn_hf, Word16 *memExp1, Word16 *mem_hp_interp, const Word16 extl, const Word16 CNG_mode, Word16 element_mode );
 #endif
+#endif
 
 static void hf_synthesis_amr_wb_fx( const Word32 core_brate, const Word16 output_subfr, const Word16 Ap[], Word16 exc16k[], Word16 synth_out[], Word16 *mem_syn_hf, Word16 *delay_syn_hf, Word16 *mem_hp_interp, Word16 p_r, Word16 HF_corr_gain, Word16 til, Word16 voice_factors, const Word16 exc[], const Word16 Q_exc, const Word16 Q_out, Word16 qhf );
 static void envelope_fx( AMRWB_IO_DEC_HANDLE hAmrwb_IO, const Word32 core_brate, const Word16 Aq[], Word16 Ap[], Word16 *r, Word16 tilt0, Word16 tilt, Word16 voice_factor );
@@ -51,7 +53,10 @@ void hf_synth_init_fx(
     set16_fx( hBWE_zero->mem_hp400_fx, 0, 4 );
     set16_fx( hBWE_zero->delay_syn_hf_fx, 0, NS2SA( 16000, DELAY_CLDFB_NS ) );
     set16_fx( hBWE_zero->mem_hp_interp_fx, 0, INTERP_3_1_MEM_LEN );
-
+#ifdef FIX_774_ENERGY_BURST
+    hBWE_zero->memExp1 = 0;
+    move16();
+#endif
     return;
 }
 void hf_synth_reset_fx(
@@ -71,7 +76,10 @@ void hf_synth_reset_fx(
 
     set16_fx( hBWE_zero->delay_syn_hf_fx, 0, NS2SA( 16000, DELAY_CLDFB_NS ) );
     set16_fx( hBWE_zero->mem_hp_interp_fx, 0, INTERP_3_1_MEM_LEN );
-
+#ifdef FIX_774_ENERGY_BURST
+    hBWE_zero->memExp1 = 0;
+    move16();
+#endif
     return;
 }
 
@@ -117,7 +125,7 @@ void hf_synth_fx(
 
     return;
 }
-
+#ifndef FIX_774_ENERGY_BURST
 #ifdef IVAS_FLOAT_FIXED
 void hf_synth_ivas_fx(
     ZERO_BWE_DEC_HANDLE hBWE_zero, /* i/o: handle to 0 bit BWE parameters */
@@ -156,6 +164,7 @@ void hf_synth_ivas_fx(
     return;
 }
 #endif
+#endif
 /*-----------------------------------------------------------------------------------*
  * hf_synthesis()
  *
@@ -384,7 +393,7 @@ static void hf_synthesis_fx(
 
     return;
 }
-
+#ifndef FIX_774_ENERGY_BURST
 #ifdef IVAS_FLOAT_FIXED
 static void hf_synthesis_ivas_fx(
     ZERO_BWE_DEC_HANDLE hBWE_zero,
@@ -611,6 +620,7 @@ static void hf_synthesis_ivas_fx(
     return;
 }
 #endif
+#endif
 
 /*-------------------------------------------------------------------*
  * filt_6k_7k:
diff --git a/lib_dec/stat_dec.h b/lib_dec/stat_dec.h
index 301014d926c1752df8d3914ad0abc449f394e808..29f1db0f1c0105ed35516eb489217e0ae5c62f80 100644
--- a/lib_dec/stat_dec.h
+++ b/lib_dec/stat_dec.h
@@ -1586,7 +1586,9 @@ typedef struct zero_bwe_dec_structure
     Word16 delay_syn_hf_fx[NS2SA( 16000, DELAY_CLDFB_NS )]; /* HF (6-7kHz) BWE - To synchronise BWE content with postfiltered synthesis Q0*/
 
     Word16 mem_hp_interp_fx[INTERP_3_1_MEM_LEN]; /* HF (6-7 kHz) BWE - interp. memory */
-
+#ifdef FIX_774_ENERGY_BURST
+    Word16 memExp1; /* Exponent for mem_hf_fx scaling*/
+#endif
 } ZERO_BWE_DEC_DATA, *ZERO_BWE_DEC_HANDLE;