diff --git a/submodules/externals/build/vo-amrwbenc/Android.mk b/submodules/externals/build/vo-amrwbenc/Android.mk
new file mode 100644
index 000000000..7de5159d5
--- /dev/null
+++ b/submodules/externals/build/vo-amrwbenc/Android.mk
@@ -0,0 +1,111 @@
+
+
+LOCAL_PATH:= $(call my-dir)/../../vo-amrwbenc
+
+BUILD_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libvoamrwbenc
+
+LOCAL_SRC_FILES += \
+    wrapper.c \
+    common/cmnMemory.c \
+    amrwbenc/src/autocorr.c \
+    amrwbenc/src/az_isp.c \
+    amrwbenc/src/bits.c \
+    amrwbenc/src/c2t64fx.c \
+    amrwbenc/src/c4t64fx.c \
+    amrwbenc/src/convolve.c \
+    amrwbenc/src/cor_h_x.c \
+    amrwbenc/src/decim54.c \
+    amrwbenc/src/deemph.c \
+    amrwbenc/src/dtx.c \
+    amrwbenc/src/g_pitch.c \
+    amrwbenc/src/gpclip.c \
+    amrwbenc/src/homing.c \
+    amrwbenc/src/hp400.c \
+    amrwbenc/src/hp50.c \
+    amrwbenc/src/hp6k.c \
+    amrwbenc/src/hp_wsp.c \
+    amrwbenc/src/int_lpc.c \
+    amrwbenc/src/isp_az.c \
+    amrwbenc/src/isp_isf.c \
+    amrwbenc/src/lag_wind.c \
+    amrwbenc/src/levinson.c \
+    amrwbenc/src/log2.c \
+    amrwbenc/src/lp_dec2.c \
+    amrwbenc/src/math_op.c \
+    amrwbenc/src/mem_align.c \
+    amrwbenc/src/oper_32b.c \
+    amrwbenc/src/p_med_ol.c \
+    amrwbenc/src/pit_shrp.c \
+    amrwbenc/src/pitch_f4.c \
+    amrwbenc/src/pred_lt4.c \
+    amrwbenc/src/preemph.c \
+    amrwbenc/src/q_gain2.c \
+    amrwbenc/src/q_pulse.c \
+    amrwbenc/src/qisf_ns.c \
+    amrwbenc/src/qpisf_2s.c \
+    amrwbenc/src/random.c \
+    amrwbenc/src/residu.c \
+    amrwbenc/src/scale.c \
+    amrwbenc/src/stream.c \
+    amrwbenc/src/syn_filt.c \
+    amrwbenc/src/updt_tar.c \
+    amrwbenc/src/util.c \
+    amrwbenc/src/voAMRWBEnc.c \
+    amrwbenc/src/voicefac.c \
+    amrwbenc/src/wb_vad.c \
+    amrwbenc/src/weight_a.c
+
+ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
+LOCAL_SRC_FILES += \
+    amrwbenc/src/asm/ARMV7/convolve_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/cor_h_vec_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/Deemph_32_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/Dot_p_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/Filt_6k_7k_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/Norm_Corr_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/pred_lt4_1_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/residu_asm_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/scale_sig_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/Syn_filt_32_neon.s.neon \
+    amrwbenc/src/asm/ARMV7/syn_filt_neon.s.neon
+
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/src/asm/ARMV5E
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/src/asm/ARMV7
+
+LOCAL_CFLAGS += -DARM -DARMV7 -DASM_OPT
+
+else
+ifeq ($(TARGET_ARCH_ABI),armeabi-v5)
+LOCAL_SRC_FILES += \
+    amrwbenc/src/asm/ARMV5E/convolve_opt.s \
+    amrwbenc/src/asm/ARMV5E/cor_h_vec_opt.s \
+    amrwbenc/src/asm/ARMV5E/Deemph_32_opt.s \
+    amrwbenc/src/asm/ARMV5E/Dot_p_opt.s \
+    amrwbenc/src/asm/ARMV5E/Filt_6k_7k_opt.s \
+    amrwbenc/src/asm/ARMV5E/Norm_Corr_opt.s \
+    amrwbenc/src/asm/ARMV5E/pred_lt4_1_opt.s \
+    amrwbenc/src/asm/ARMV5E/residu_asm_opt.s \
+    amrwbenc/src/asm/ARMV5E/scale_sig_opt.s \
+    amrwbenc/src/asm/ARMV5E/Syn_filt_32_opt.s \
+    amrwbenc/src/asm/ARMV5E/syn_filt_opt.s
+
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/src/asm/ARMV5E
+
+LOCAL_CFLAGS += += -DARM -DASM_OPT
+endif
+endif
+
+LOCAL_ARM_MODE := arm
+
+#for including config.h:
+LOCAL_C_INCLUDES += \
+	$(LOCAL_PATH)/amrwbenc/inc/ \
+	$(LOCAL_PATH)/common/include/
+
+include $(BUILD_STATIC_LIBRARY)
+
+