diff --git a/lib_com/ivas_prot.h b/lib_com/ivas_prot.h
index c388377c1c9c15d7f08f1dd25f5e6ae02ef19f20..ca0bcf69e94ed028890bc49bd5bc0020a4a3663b 100644
--- a/lib_com/ivas_prot.h
+++ b/lib_com/ivas_prot.h
@@ -5264,7 +5264,8 @@ void ivas_sba_mix_matrix_determiner_fx(
     const Word16 bfi,                                          /* i  : BFI flag                                */
     const Word16 nchan_remapped,                               /* i  : num channels after remapping of TCs     */
     const Word16 output_frame,                                 /* i  : output frame length                     */
-    const Word16 num_md_sub_frames                             /* i  : number of subframes in mixing matrix    */
+    const Word16 num_md_sub_frames,                             /* i  : number of subframes in mixing matrix    */
+    const Word16 Q_p_Output                             /* i  : number of subframes in mixing matrix    */
 );
 #endif // IVAS_FLOAT_FIXED
 
diff --git a/lib_dec/ivas_jbm_dec.c b/lib_dec/ivas_jbm_dec.c
index c38410672b723305932354881f767f68ff956e15..56ad79dbb8bb3c17afff8223ed058979e159d658 100644
--- a/lib_dec/ivas_jbm_dec.c
+++ b/lib_dec/ivas_jbm_dec.c
@@ -576,7 +576,7 @@ ivas_error ivas_jbm_dec_tc_fx(
                 num_md_sub_frames = ivas_get_spar_dec_md_num_subframes( st_ivas->sba_analysis_order, ivas_total_brate, st_ivas->last_active_ivas_total_brate );
 
                 SPAR_DEC_HANDLE hSpar = st_ivas->hSpar;
-                Word16 Q_p_output = 14;
+                Word16 Q_p_output = MAX_16, temp_min;
                 move16();
                 Word16 nchan_transport;
 
@@ -586,13 +586,24 @@ ivas_error ivas_jbm_dec_tc_fx(
                 move16();
                 FOR( ch = 0; ch < nchan_transport; ch++ )
                 {
-                    Scale_sig32( p_output_fx[ch], output_frame, sub( Q_p_output, Q11 ) );
+                    temp_min = getScaleFactor32( p_output_fx[ch], output_frame );
+                    Q_p_output = s_min( Q_p_output, temp_min );
+                }
+                Q_p_output = sub( Q_p_output, 2 );
+                IF( GT_16( Q_p_output, 20 ) )
+                {
+                    Q_p_output = 20;
+                    move16();
+                }
+                FOR( ch = 0; ch < nchan_transport; ch++ )
+                {
+                    Scale_sig32( p_output_fx[ch], output_frame, Q_p_output );
                 }
 
                 hSpar->hMdDec->Q_mixer_mat = 31;
                 move16();
 
-                ivas_sba_mix_matrix_determiner_fx( st_ivas->hSpar, p_output_fx, st_ivas->bfi, nchan_remapped, output_frame, num_md_sub_frames );
+                ivas_sba_mix_matrix_determiner_fx( st_ivas->hSpar, p_output_fx, st_ivas->bfi, nchan_remapped, output_frame, num_md_sub_frames, Q_p_output );
                 FOR( Word16 c = 0; c < nchan_transport; c++ )
                 {
                     Scale_sig32( p_output_fx[c], output_frame, 11 );
@@ -978,7 +989,7 @@ ivas_error ivas_jbm_dec_tc_fx(
             }
             hSpar->hMdDec->Q_mixer_mat = 31;
 
-            ivas_sba_mix_matrix_determiner_fx( st_ivas->hSpar, &p_output_fx[sba_ch_idx], st_ivas->bfi, nchan_remapped, output_frame, num_md_sub_frames );
+            ivas_sba_mix_matrix_determiner_fx( st_ivas->hSpar, &p_output_fx[sba_ch_idx], st_ivas->bfi, nchan_remapped, output_frame, num_md_sub_frames, sub( Q_p_output, Q11 ) );
             FOR( Word16 c = 0; c < nchan_transport; c++ )
             {
                 Scale_sig32( p_output_fx[sba_ch_idx + c], output_frame, Q11 );
diff --git a/lib_dec/ivas_sba_rendering_internal.c b/lib_dec/ivas_sba_rendering_internal.c
index a8be633735d1210914eab33d2925b0df4c297f2c..6d87d5f8157945a079212ffe192ce0c7d6ed0d4d 100644
--- a/lib_dec/ivas_sba_rendering_internal.c
+++ b/lib_dec/ivas_sba_rendering_internal.c
@@ -836,17 +836,18 @@ ivas_error ivas_sba_linear_renderer(
  *-------------------------------------------------------------------*/
 #ifdef IVAS_FLOAT_FIXED
 void ivas_sba_mix_matrix_determiner_fx(
-    SPAR_DEC_HANDLE hSpar,         /* i/o: SPAR decoder handle                 */
-    Word32 *output_fx[],           /* i/o: transport/output audio channels     */
-    const Word16 bfi,              /* i  : BFI flag                            */
-    const Word16 nchan_remapped,   /* i  : num channels after remapping of TCs */
-    const Word16 output_frame,     /* i  : output frame length                 */
-    const Word16 num_md_sub_frames /* i  : number of subframes in mixing matrix*/
+    SPAR_DEC_HANDLE hSpar,          /* i/o: SPAR decoder handle                 */
+    Word32 *output_fx[],            /* i/o: transport/output audio channels     */
+    const Word16 bfi,               /* i  : BFI flag                            */
+    const Word16 nchan_remapped,    /* i  : num channels after remapping of TCs */
+    const Word16 output_frame,      /* i  : output frame length                 */
+    const Word16 num_md_sub_frames, /* i  : number of subframes in mixing matrix*/
+    const Word16 Q_output           /* i  : number of subframes in mixing matrix*/
 )
 {
     Word16 i, ch;
     Word16 num_bands_out, nchan_transport, nchan_out;
-    Word16 Q_p_output = 14;
+    Word16 Q_p_output = add( 11, Q_output );
     move16();
     Word32 temp_fx;
     /* Convert numeric range */
@@ -888,7 +889,7 @@ void ivas_sba_mix_matrix_determiner_fx(
     {
         FOR( i = 0; i < output_frame; i++ )
         {
-            output_fx[ch][i] = Mult_32_32( L_shl_sat( output_fx[ch][i], 4 ), L_shl_sat( PCM16_TO_FLT_FAC_FX, 16 ) ); /*Q-0*/
+            output_fx[ch][i] = Mult_32_32( L_shl_sat( output_fx[ch][i], sub( 18, Q_p_output ) ), L_shl_sat( PCM16_TO_FLT_FAC_FX, 16 ) ); /*Q-0*/
         }
     }