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Basic Live Sound Reinforcement by Penny Pattison, Raven Biederman

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Chapter 4

Sound Science

Physics and Perception

Sound in Motion: Anatomy of a Simple Wave

Attributes of Sound

Amplitude

Loudness

The Decibel Ratio

Decibel as Logarithmic Scale

Measuring Sound Pressure Levels in dB SPL

dB SPL and Perceived Volume

Frequency

Periodicity and Period

Velocity and Wavelength

Complex Waves

Harmonics

The Cochlea and Pitch Perception

Equal-loudness Curves

Phase

Envelope

Timbre

Psychoacoustics: Sound, Psychology, and Emotion

Sound Science and Live Sound

Sound in Motion: Anatomy of a Simple Wave

The easiest answer to the question “What is sound?” is that sound is energy that transmits through matter, called the medium, in the form of wave. Sound energy takes the form of acoustic vibrations and the medium that transmits most ...

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