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Consumer Electronics by S. P. Bali

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CHAPTER 15

MONO, STEREO AND QUAD

High fidelity means the reproduction of sound with a high degree of faithfulness to the original. The whole chain of hardware – from the microphones which recorded the sound to the loudspeakers that reproduced the sound in your living room—has been improved to the point where there is practically no difference in the live and recorded sound. The audio industry had actually arrived at this point, using a single channel of sound (monophone) back in the late 1950s.

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