diff --git a/openrtx/include/core/data_conversion.h b/openrtx/include/core/data_conversion.h
new file mode 100644
index 00000000..47f97264
--- /dev/null
+++ b/openrtx/include/core/data_conversion.h
@@ -0,0 +1,53 @@
+/***************************************************************************
+ *   Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#ifndef DATA_CONVERSION_H
+#define DATA_CONVERSION_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * In-place conversion of data elements from int16_t to unsigned 16 bit values
+ * ranging from 0 to 4095.
+ *
+ * @param buffer: data buffer.
+ * @param length: buffer length, in elements.
+ */
+void S16toU12(int16_t *buffer, const size_t length);
+
+/**
+ * In-place conversion of data elements from int16_t to unsigned 8 bit values
+ * ranging from 0 to 255.
+ *
+ * @param buffer: data buffer.
+ * @param length: buffer length, in elements.
+ */
+void S16toU8(int16_t *buffer, const size_t length);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* DATA_CONVERSION_H */
diff --git a/openrtx/src/core/data_conversion.c b/openrtx/src/core/data_conversion.c
new file mode 100644
index 00000000..0c33bcdc
--- /dev/null
+++ b/openrtx/src/core/data_conversion.c
@@ -0,0 +1,70 @@
+/***************************************************************************
+ *   Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#include <data_conversion.h>
+#include <hwconfig.h>
+
+/*
+ * Trivial implementation of Cortex M4 SIMD instructions for all the
+ * targets not supporting them.
+ */
+#if (__CORTEX_M != 0x04)
+static inline uint32_t __SADD16(uint32_t a, uint32_t b)
+{
+    uint16_t resHi = ((a >> 16) & 0x0000FFFF) + ((b >> 16) & 0x0000FFFF);
+    uint16_t resLo = (a & 0x0000FFFF) + (b & 0x0000FFFF);
+    return (resHi << 16) | resLo;
+}
+#endif
+
+
+void S16toU12(int16_t *buffer, const size_t length)
+{
+    uint32_t *data = ((uint32_t *) buffer);
+    for(size_t i = 0; i < length/2; i++)
+    {
+        uint32_t value = __SADD16(data[i], 0x80008000);
+        data[i]        = (value >> 4) & 0x0FFF0FFF;
+    }
+
+    /* Handle last element in case of odd buffer length */
+    if((length % 2) != 0)
+    {
+        int16_t value      = buffer[length - 1] + 32768;
+        buffer[length - 1] = ((uint16_t) value) >> 4;
+    }
+}
+
+void S16toU8(int16_t *buffer, const size_t length)
+{
+    uint32_t *data = ((uint32_t *) buffer);
+    for(size_t i = 0; i < length/2; i++)
+    {
+        uint32_t value = __SADD16(data[i], 0x80008000);
+        data[i]        = (value >> 8) & 0x00FF00FF;
+    }
+
+    /* Handle last element in case of odd buffer length */
+    if((length % 2) != 0)
+    {
+        int16_t value      = buffer[length - 1] + 32768;
+        buffer[length - 1] = ((uint16_t) value) >> 8;
+    }
+}