diff --git a/lib_com/options.h b/lib_com/options.h
index 0283dc7b21bcdaf4dc33a217b2e8455fffc6dbe5..9ec6b9e4caec03209c1929acbd1d0f991e48e928 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -210,6 +210,7 @@
 #define NONBE_FIX_1337_MISSING_DIRECTIVITY_DISTATT_EXTREND /* Eri: issue 1337: Missing directivity setting and distance attenuation in external renderer IVAS_rend */
 #define FIX_1348_OVERFLOW                               /* FhG: fix BASOP overflow in hq_lr_dec(), brings floating-point code inline with FX */
 #define FIX_VOIP_FUNCTIONS                              /* VA: fix data type mismatch in IVAS_DEC_VoIP_SetScale() + add sanity checks to API functions */
+#define FIX_1298_MEMORY_OPT_IVAS_CORE_ENC               /* VA: issue 1298: Memory saving in ivas_core_enc() */
 #define FIX_587_DEFAULT_REVERB                          /* Philips: issue 587: inconsistent default reverb parameters across renderers */
 #define NONBE_1214_PLC_LSF_MEMORY                       /* VA: issue 1224: reset ACELP PLC FEC memory in case of switching from MDCT stereo to TD/DFT stereo */
 #define NONBE_1293_SR_HRTF                              /* VA: issue 1293: add support of external HRTFs in split rendering */
diff --git a/lib_enc/ivas_core_enc.c b/lib_enc/ivas_core_enc.c
index 211a76f187e201310ba592e62c529ca05f3d55e6..060b85a1dd6a87f1c689f490d7fca2b2d01e27ee 100644
--- a/lib_enc/ivas_core_enc.c
+++ b/lib_enc/ivas_core_enc.c
@@ -90,8 +90,13 @@ ivas_error ivas_core_enc(
     float *inp[CPE_CHANNELS];
     float new_inp_resamp16k[CPE_CHANNELS][L_FRAME16k]; /* new input signal @16kHz, non pre-emphasised, used by the WB TBE/BWE */
     float old_syn_12k8_16k[CPE_CHANNELS][L_FRAME16k];  /* ACELP core synthesis at 12.8kHz or 16kHz to be used by the SWB BWE */
+#ifdef FIX_1298_MEMORY_OPT_IVAS_CORE_ENC
+    float *shb_speech;
+    float *hb_speech;
+#else
     float shb_speech[L_FRAME16k];
     float hb_speech[L_FRAME16k / 4];
+#endif
     float *new_swb_speech;
     float new_swb_speech_buffer[L_FRAME48k + STEREO_DFT_OVL_MAX];
     float bwe_exc_extended[CPE_CHANNELS][L_FRAME32k + NL_BUFF_OFFSET];
@@ -158,8 +163,9 @@ ivas_error ivas_core_enc(
 
     input_Fs = sts[0]->input_Fs;
     input_frame = (int16_t) ( input_Fs / FRAMES_PER_SEC );
-
+#ifndef FIX_1298_MEMORY_OPT_IVAS_CORE_ENC
     set_f( new_swb_speech_buffer, 0, L_FRAME48k + STEREO_DFT_OVL_MAX );
+#endif
 
     for ( n = 0; n < n_CoreChannels; n++ )
     {
@@ -348,6 +354,10 @@ ivas_error ivas_core_enc(
          * WB BWE encoding
          *---------------------------------------------------------------------*/
 
+#ifdef FIX_1298_MEMORY_OPT_IVAS_CORE_ENC
+        hb_speech = new_swb_speech_buffer; /* reuse existing buffer: hb_speech[L_FRAME16k/4]; */
+#endif
+
         if ( input_Fs >= 16000 && st->bwidth < SWB && st->hBWE_TD != NULL )
         {
             /* Common pre-processing for WB TBE and WB BWE */
@@ -371,6 +381,10 @@ ivas_error ivas_core_enc(
          *---------------------------------------------------------------------*/
 
         new_swb_speech = new_swb_speech_buffer + STEREO_DFT_OVL_MAX;
+#ifdef FIX_1298_MEMORY_OPT_IVAS_CORE_ENC
+        set_f( new_swb_speech_buffer, 0, L_FRAME48k + STEREO_DFT_OVL_MAX );
+        shb_speech = new_inp_resamp16k[n]; /* reuse existing buffer: shb_speech[L_FRAME16k] */
+#endif
 
         if ( !st->Opt_SC_VBR && input_Fs >= 32000 && st->hBWE_TD != NULL )
         {