This chapter contains general information t hat will be useful to know before using the dsPIC ® DSC Speex Speech Encoding/Decodin g Library User’s Guide. Items discussed in this preface include: • Document Layout • Conventions Used in this Guide • Warranty Registration • Recommended Reading • The Microchip Web Site • Development Systems Customer Change Notification Service • Customer Support • Document Revision History dsPIC DSC Speex Speech Encoding/Decoding Library User’s Guide 2008-2011 Microchip Technology Inc. DS70328C Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operati……