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Chapter 1

Audio and Acoustic DNA—Do YouKnow Your Audio and AcousticAncestors?

by Don and Carolyn Davis

1893—The Magic Year

Bell Laboratories and Western Electric

Harvey Fletcher (1884–1981)

Negative Feedback—1927

Harry Nyquist (1889–1976)

The dB, dBm and the VI

Bell Labs and Talking Motion Pictures

Motion Pictures—Visual versus Auditory

The Transition from Western Electric to Private Companies

Audio Publications

The “High” Fidelity Equipment Designers

Sound System Equalization

Professional-Level Audio Equipment Scaled to Home Use

Edwin Armstrong (1890–1954) The Invention of Radio and Fidelity

Acoustic Measurements—Richard C. Heyser (1931–1987)

Calculators and Computers

The Meaning of Communication

Bibliography ...

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