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4
Audio Systems
In this chapter, you will learn about
•  The basics of sound propagation
•  Sound wave frequency and wavelength
•  Harmonics, the decibel, and the sound environment
•  How these basics apply to the electrical pathway used to amplify sound
•  The electrical audio-signal chain from start to finish—microphones to loudspeakers
•  The various signal levels, cables used, and types of circuits that are preferred for professional audio
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This chapter covers the basics of sound propagation, sound wave frequency and wavelength, harmonics, ...

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