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A High-Performance Surround Sound Process for Home Video

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Video disks, high-fidelity video cassettes, and stereo television bring to the consumer a substantial library of video entertainment with high-quality stereo sound tracks. A growing portion of these are encoded with surround sound using a 4-2-4 matrix-based method particularly suited to front-stage oriented film/video presentation. Home reproduction is accomplished with a processor incorporating dynamic matrix modification to stabilize and enhance directional effects and a delayed surround channel to aid forward localization of front sound.

JAES Volume 35 Issue 7/8 pp. 536-549; July 1987
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