November 2012
Intermediate to advanced
639 pages
25h 6m
English
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CHAPTER 3
Basic Sound Transmission and Operational Forces on Microphones
The Microphone Book by John Eargle
INTRODUCTION
All modern microphones benefit from electrical amplifi cation and thus are designed primarily to sample a sound field rather than take power from it. In order to understand how microphones work from the physical and engineering points of view, we must understand the basics of sound transmission in air. We base our discussion on sinusoidal wave generation, since sine waves can be considered the building blocks of most audible sound phenomena. Sound transmission in both plane and spherical waves will be discussed, both in free and enclosed spaces. Power relationships and the concept of the decibel are developed. Finally, ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.