diff --git a/lib_com/options.h b/lib_com/options.h
index 57c086afb35424dee7a8ab0fb96606fb44bab42c..b5b0b05548bae3431a1801c1630b61709d0dfe10 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -181,6 +181,7 @@
 #define FIX_1461_CNG_BW_SWITCHING                       /* Eri: issue 1461: Stereo parameters are not updated when SID/NODATA forces BW to stay the same */
 #define FIX_2252_LP_CNG_STARTS_SID                      /* VA: issues 2251 and 2252: fix LP CNG uninitialized value in bitstream that starts with an SID */
 #define FIX_1381_BWD                                    /* VA: issue 1381: apply no hysteresis in BWD at higher bitrates also in mono MASA and OMASA */
+#define FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION         /* Dolby: issue 1465: Fix constant in create_random_vector() to allow more reliable fixed point port */
 
 /* ##################### End NON-BE switches ########################### */
 
diff --git a/lib_com/prot.h b/lib_com/prot.h
index c624212fc3060e0b874a32170932fbf5c9183f11..29fc6018440270748fad0222f4264f977c5e2193 100644
--- a/lib_com/prot.h
+++ b/lib_com/prot.h
@@ -2685,10 +2685,13 @@ void GenShapedWBExcitation(
     float *mem_genSHBexc_filt_down3, /* i/o: memory                                 */
     float *state_lpc_syn,            /* i/o: memory                                 */
     const int16_t coder_type,        /* i  : coding type                            */
-    const float *bwe_exc_extended,   /* i  : bandwidth extended exciatation         */
-    int16_t bwe_seed[],              /* i/o: random number generator seed           */
-    const float voice_factors[],     /* i  : voicing factor                         */
-    const int16_t uv_flag,           /* i  : unvoiced flag                          */
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+    const int16_t element_mode, /* i  : element mode                           */
+#endif
+    const float *bwe_exc_extended, /* i  : bandwidth extended exciatation         */
+    int16_t bwe_seed[],            /* i/o: random number generator seed           */
+    const float voice_factors[],   /* i  : voicing factor                         */
+    const int16_t uv_flag,         /* i  : unvoiced flag                          */
     const int16_t igf_flag );
 
 void GenWBSynth(
diff --git a/lib_com/swb_tbe_com.c b/lib_com/swb_tbe_com.c
index 2104e5cdee89af298c6c2a8d9df5c9fd39feda0e..4e20e4981071494504e4a228eb9867cc0b39657b 100644
--- a/lib_com/swb_tbe_com.c
+++ b/lib_com/swb_tbe_com.c
@@ -54,7 +54,11 @@
  * Local function prototypes
  *-----------------------------------------------------------------*/
 
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+static void create_random_vector( float output[], const int16_t length, int16_t seed[], const int16_t element_mode );
+#else
 static void create_random_vector( float output[], const int16_t length, int16_t seed[] );
+#endif
 static void flip_spectrum( const float input[], float output[], const int16_t length );
 static void Hilbert_transform( float tmp_R[], float tmp_I[], float *tmpi_R, float *tmpi_I, const int16_t length, const int16_t HB_stage_id );
 static void Estimate_mix_factors( const float *shb_res, const float *exc16kWhtnd, const float *White_exc16k, const float pow1, const float pow22, float *vf_modified, int16_t *vf_ind );
@@ -366,10 +370,13 @@ void GenShapedWBExcitation(
     float *mem_genSHBexc_filt_down3, /* i/o: memory                                */
     float *state_lpc_syn,            /* i/o: memory                                */
     const int16_t coder_type,        /* i  : coding type                           */
-    const float *bwe_exc_extended,   /* i  : bandwidth extended exciatation        */
-    int16_t bwe_seed[],              /* i/o: random number generator seed          */
-    const float voice_factors[],     /* i  : voicing factor                        */
-    const int16_t uv_flag,           /* i  : unvoiced flag                         */
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+    const int16_t element_mode, /* i  : element mode                          */
+#endif
+    const float *bwe_exc_extended, /* i  : bandwidth extended exciatation        */
+    int16_t bwe_seed[],            /* i/o: random number generator seed          */
+    const float voice_factors[],   /* i  : voicing factor                        */
+    const int16_t uv_flag,         /* i  : unvoiced flag                         */
     const int16_t igf_flag )
 {
     int16_t i, j, k;
@@ -407,7 +414,11 @@ void GenShapedWBExcitation(
     if ( uv_flag )
     {
         /* unvoiced signal */
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+        create_random_vector( exc4kWhtnd, L_FRAME16k / 4, bwe_seed, element_mode );
+#else
         create_random_vector( exc4kWhtnd, L_FRAME16k / 4, bwe_seed );
+#endif
     }
     else
     {
@@ -436,7 +447,11 @@ void GenShapedWBExcitation(
             *mem_csfilt = -csfilt_den2[1] * excNoisyEnv[i];
         }
 
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+        create_random_vector( exc4k, L_FRAME16k / 4, bwe_seed, element_mode );
+#else
         create_random_vector( exc4k, L_FRAME16k / 4, bwe_seed );
+#endif
 
         /* Ensure pow22 is greater than zero when computing normalization */
         for ( i = 0, pow22 = 0.00001f; i < L_FRAME16k / 4; i++ )
@@ -890,8 +905,13 @@ void GenShapedSHBExcitation(
     }
     else
     {
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+        create_random_vector( White_exc16k, L_FRAME, bwe_seed, element_mode );
+        create_random_vector( White_exc16k + L_FRAME, L_FRAME16k - L_FRAME, bwe_seed, element_mode );
+#else
         create_random_vector( White_exc16k, L_FRAME, bwe_seed );
         create_random_vector( White_exc16k + L_FRAME, L_FRAME16k - L_FRAME, bwe_seed );
+#endif
 
         for ( k = 0, pow22 = 0.00001f; k < L_FRAME16k; k++ )
         {
@@ -1535,23 +1555,60 @@ void non_linearity(
  * -------------------------------------------------------------------*/
 
 void create_random_vector(
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+    float output[],            /* o  : output random vector      */
+    const int16_t length,      /* i  : length of random vector   */
+    int16_t seed[],            /* i/o: start seed                */
+    const int16_t element_mode /* i  : element mode              */
+#else
     float output[],       /* o  : output random vector      */
     const int16_t length, /* i  : length of random vector   */
     int16_t seed[]        /* i/o: start seed                */
+#endif
 )
 {
     int16_t i, j, k;
     float scale1, scale2;
 
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+    if ( element_mode != EVS_MONO )
+    {
+        j = (int16_t) ( own_random( &seed[0] ) * 0.0078125f );
+        j = (int16_t) min( abs( j ), 255 );
+        k = (int16_t) ( own_random( &seed[1] ) * 0.0078125f );
+        k = (int16_t) min( abs( k ), 255 );
+    }
+    else
+    {
+        j = (int16_t) ( own_random( &seed[0] ) * 0.0078f );
+        j = abs( j ) & 0xff;
+        k = (int16_t) ( own_random( &seed[1] ) * 0.0078f );
+        k = abs( k ) & 0xff;
+    }
+#else
     j = (int16_t) ( own_random( &seed[0] ) * 0.0078f );
     j = abs( j ) & 0xff;
     k = (int16_t) ( own_random( &seed[1] ) * 0.0078f );
     k = abs( k ) & 0xff;
+#endif
 
     while ( k == j )
     {
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+        if ( element_mode != EVS_MONO )
+        {
+            k = (int16_t) ( own_random( &seed[1] ) * 0.0078125f );
+            k = (int16_t) min( abs( k ), 255 );
+        }
+        else
+        {
+            k = (int16_t) ( own_random( &seed[1] ) * 0.0078f );
+            k = abs( k ) & 0xff;
+        }
+#else
         k = (int16_t) ( own_random( &seed[1] ) * 0.0078f );
         k = abs( k ) & 0xff;
+#endif
     }
 
     if ( own_random( &seed[0] ) < 0 )
diff --git a/lib_dec/swb_tbe_dec.c b/lib_dec/swb_tbe_dec.c
index 8f88f5150ebef113dc4cf2447652be9f52f9fec1..8e43b9fd036dc9151716defc2d4c9d8290290cbf 100644
--- a/lib_dec/swb_tbe_dec.c
+++ b/lib_dec/swb_tbe_dec.c
@@ -323,7 +323,11 @@ void wb_tbe_dec(
         /* From low band excitation, generate highband excitation */
         mvr2r( hBWE_TD->state_syn_shbexc, shaped_wb_excitation, L_SHB_LAHEAD / 4 );
 
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+        GenShapedWBExcitation( shaped_wb_excitation + L_SHB_LAHEAD / 4, lpc_wb, exc4kWhtnd, hBWE_TD->mem_csfilt, hBWE_TD->mem_genSHBexc_filt_down_shb, hBWE_TD->mem_genSHBexc_filt_down_wb2, hBWE_TD->mem_genSHBexc_filt_down_wb3, hBWE_TD->state_lpc_syn, st->coder_type, st->element_mode, bwe_exc_extended, hBWE_TD->bwe_seed, vf_modified, uv_flag, st->igf );
+#else
         GenShapedWBExcitation( shaped_wb_excitation + L_SHB_LAHEAD / 4, lpc_wb, exc4kWhtnd, hBWE_TD->mem_csfilt, hBWE_TD->mem_genSHBexc_filt_down_shb, hBWE_TD->mem_genSHBexc_filt_down_wb2, hBWE_TD->mem_genSHBexc_filt_down_wb3, hBWE_TD->state_lpc_syn, st->coder_type, bwe_exc_extended, hBWE_TD->bwe_seed, vf_modified, uv_flag, st->igf );
+#endif
 
         prev_pow = sum2_f( shaped_wb_excitation, L_SHB_LAHEAD / 4 );
         curr_pow = sum2_f( shaped_wb_excitation + L_SHB_LAHEAD / 4, L_SHB_LAHEAD / 4 );
diff --git a/lib_enc/swb_tbe_enc.c b/lib_enc/swb_tbe_enc.c
index b1363db1005079f38a928d353735dcaf0b752419..b5484d9abc90d5fb205320d215b4ae7e3bf58f40 100644
--- a/lib_enc/swb_tbe_enc.c
+++ b/lib_enc/swb_tbe_enc.c
@@ -378,7 +378,11 @@ void wb_tbe_enc(
 
     /* From low band excitation, generate highband excitation */
     mvr2r( hBWE_TD->state_syn_shbexc, shaped_wb_excitation, L_SHB_LAHEAD / 4 );
+#ifdef FIX_1465_SWB_TBE_RANDOM_VECTOR_CREATION
+    GenShapedWBExcitation( shaped_wb_excitation + L_SHB_LAHEAD / 4, lpc_wb, exc4kWhtnd, hBWE_TD->mem_csfilt, hBWE_TD->mem_genSHBexc_filt_down_shb, hBWE_TD->mem_genSHBexc_filt_down_wb2, hBWE_TD->mem_genSHBexc_filt_down_wb3, hBWE_TD->state_lpc_syn, st->coder_type, st->element_mode, bwe_exc_extended, hBWE_TD->bwe_seed, vf_modified, uv_flag, st->igf );
+#else
     GenShapedWBExcitation( shaped_wb_excitation + L_SHB_LAHEAD / 4, lpc_wb, exc4kWhtnd, hBWE_TD->mem_csfilt, hBWE_TD->mem_genSHBexc_filt_down_shb, hBWE_TD->mem_genSHBexc_filt_down_wb2, hBWE_TD->mem_genSHBexc_filt_down_wb3, hBWE_TD->state_lpc_syn, st->coder_type, bwe_exc_extended, hBWE_TD->bwe_seed, vf_modified, uv_flag, st->igf );
+#endif
 
     prev_pow = sum2_f( shaped_wb_excitation, L_SHB_LAHEAD / 4 );
     curr_pow = sum2_f( shaped_wb_excitation + L_SHB_LAHEAD / 4, L_SHB_LAHEAD / 4 );