I. INTRODUCTION (PARAGRAPH 1)Digital signals have transformed the world today, and in few industries are they as widespread as they are in the music industry. Today's analog-to-digital converters allow us to accurately store the physical and analog phenomena of sound as digital data, with high fidelity and perfect reproduction quality [1]. Digital audio archiving is much more practical than analog audio archiving for both the consumer and professional. Digital audio is not vulnerable to noise, unlike analog audio where noise is not only prevalent but is indistinguishable by machine from the original message [NEED CITE]. Additionally, digital audio is compressible, meaning we can reduce the amount of data needed to represent the audio signal if we value data storage space over sound quality [2]. The natural result of this convenience we see in the massive spread of digital audio devices both in our portable music players and in less conspicuous places such as DVD audio tracks and pre-recorded dictations in our GPS systems. The most important component of any system that stores analog sound waves as digital data is the analog-to-digital converter (ADC). Analog signals by nature have no defined behavior, but digital signals are rooted in the concept of numerical and mathematical models and representations [3]. The conversion from an analog signal to a digital signal is therefore the part of our system that will most determine the quality of the digital data we get from our analog signal [3]. Preferably, digital audio should have high fidelity and perfect playability. High fidelity means that our system can accurately reproduce the digitally recorded analog signal without being noticeably different from the o... middle of paper......Vardalas, "Pulse Code Modulation: It all Started 75 Years Ago with Alec Reeves,” IEEE, June 2012. [Online]. Available: http://www.todaysengineer.org/2012/Jun/history.asp. [Accessed 14 November 2013].[18] Library of Congress, “Linear Pulse Code Modulated Audio (LPCM),” National Digital Information Infrastructure and Preservation Program, February 19, 2008. [Online]. Available: http://www.digitalpreservation.gov/formats/fdd/fdd000011.shtml. [Accessed 14 November 2013].[19] John, “Analog-to-Digital (A/D) Converters,” Circuitstoday.com, June 24, 2011. [Online]. Available: http://www.circuitstoday.com/analog-to-digital-converters-ad. [Accessed 14 November 2013].[20] M. Rouse, “Analog-to-Digital Conversion (ADC),” TechTarget, April 2005. [Online]. Available: http://searchcio-midmarket.techtarget.com/definition/analog-to-digital-conversion. [Accessed 11 November 2013].