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Principles of Digital Audio, Sixth Edition, 6th Edition by Ken C. Pohlmann

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CHAPTER 1Sound and Numbers

Digital audio is a highly sophisticated technology. It pushes the envelope of many diverse engineering and manufacturing disciplines. Although the underlying concepts were well understood in the 1920s, commercialization of digital audio did not begin until the 1970s because theory had to wait 50 years for technology to catch up. The complexity of digital audio is all the more reason to start with the basics. This chapter begins our exploration of ways to numerically encode the information contained in an audio event.

Physics of Sound

It would be a mistake for a study of digital audio to ignore the acoustic phenomena for which the technology has been designed. Music is an acoustic event. Whether it radiates from musical ...

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