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diff --git a/utility/wav.h b/utility/wav.h
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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+#ifndef WAV_H
+#define WAV_H
+
+//------------------------------------------------------------------------------
+//         Exported types
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// Standard WAV file header information.
+//------------------------------------------------------------------------------
+typedef struct _WavHeader
+{
+    /// Contains the letters "RIFF" in ASCII form.
+    unsigned int  chunkID;
+    /// Size of the rest of the chunk following this number.
+    unsigned int  chunkSize;
+    /// Contains the letters "WAVE".
+    unsigned int format;
+    /// Contains the letters "fmt ".
+    unsigned int subchunk1ID;
+    /// 16 for PCM.  This is the size of the rest of the Subchunk
+    /// which follows this number.
+    unsigned int  subchunk1Size;
+    /// PCM = 1 (i.e. Linear quantization). Values other than 1 indicate some
+    /// form of compression.
+    unsigned short audioFormat;
+    /// Mono = 1, Stereo = 2, etc.
+    unsigned short numChannels;
+    /// 8000, 44100, etc.
+    unsigned int   sampleRate;
+    /// SampleRate * NumChannels * BitsPerSample/8
+    unsigned int   byteRate;
+    /// NumChannels * BitsPerSample/8
+    unsigned short blockAlign; 
+    /// 8 bits = 8, 16 bits = 16, etc.
+    unsigned short bitsPerSample;
+    /// Contains the letters "data".
+    unsigned int subchunk2ID;
+    /// Number of bytes in the data.
+    unsigned int subchunk2Size;
+
+} WavHeader;
+
+#define WAV_HEADER_SIZE 0x100
+
+//------------------------------------------------------------------------------
+//         Exported functions
+//------------------------------------------------------------------------------
+
+extern unsigned char WAV_IsValid(const WavHeader *header);
+
+extern void WAV_DisplayInfo(const WavHeader *header);
+
+#endif //#ifndef WAV_H
+