Surround speakers: confusion, diffusion, and resolution

Article Abstract:

Today's high-end home theater installations feature as many as five discrete audio channels, so audio/video system loudspeakers should be arranged to take full advantage of the realism provided by multichannel sound. Tips on selecting and placing surround speakers for peak performance are provided.

Equipment and supplies, Loudspeakers, Surround sound systems

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Pure power: amplifier design and sound quality

Article Abstract:

Extensive lab and listening tests have helped audio engineers identify seven variables that can affect amplifier sound quality, such as high-frequency distortion, output limiting, and signal clipping. Noise, frequency response, and polarity problems can also produce audible deficiencies in amps.

Research, Design and construction, Audio amplifiers, Amplifiers, Audio, Power amplifiers

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Stereo for the movies: the center channel

Article Abstract:

The audio information for movies and videos encoded in Dolby Stereo is apportioned into not two, but three basic channels: right, left and center. Tips on getting the most out of center speakers and out of surround speakers are provided.

Methods, Motion picture sound, Movie sound

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