CHAPTER 11
Elements of Acoustics
In this chapter, you will learn about
• How sound is produced
• Acoustics-related intensity and pressure
• Sound reflection, reverberation, diffusion, absorption, and transmission
• Measuring background noise and specifying maximum allowable background noise levels for a given environment and application
The first question designers consider when planning a sound system is whether such a system is even required. If a space is small, the acoustics are good, and the background noise level is low enough, there may not be a need for any system that seeks to amplify sound.
If, however, an audience can’t adequately hear a presentation, performance, videoconference call, and so on, then using microphones, audio ...
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