lib_com/options.h

@@ -169,6 +169,7 @@
 #define FIX_1038_OFFSET_TO_NULL_PTR_IN_EVS_TCX_BFI      /* FhG: move setting of pointers for parameter decoding so they are skipped in lost frames when they are not needed */
 #define NONBE_FIX_1056_ISM_RATE_SWITCH                  /* FhG: Fix #1056: fix TC buffer udpate on a ISM rate switch */	
 #define NONBE_FIX_1075                                  /* FhG: fix segfault for bitrate switching + BINAURAL_ROOM_REVERB output in MC */
+#define NON_BE_FIX_1041_USE_OLD_CNG_LSPS_IF_NONSTAB     /* FhG: fix bug in TD MDCT-Stereo concealment */
 
 /* #################### End BASOP porting switches ############################ */
 

lib_dec/er_dec_tcx_fx.c

@@ -1766,7 +1766,11 @@ void con_tcx_ivas_fx(
 
             alpha_inv = sub( 16384 /*Q.0f in Q14*/, alpha_delayed ); /*Q14*/
 
+#ifdef NON_BE_FIX_1041_USE_OLD_CNG_LSPS_IF_NONSTAB
+            E_LPC_a_lsp_conversion( A_local, lsp_local, st->lspold_cng, M );
+#else
             E_LPC_a_lsp_conversion( A_local, lsp_local, lsp_local, M );
+#endif
 
             FOR( i = 0; i < M; i++ )
             {