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Surround-Sound: Relations of Listening and Viewing Configurations

The growing penetration of the DVD stimulates also to a more intimate association of sophisticated multichannel sound and larger high-quality image with ?ideal? TV format 16:9 (1.78:1). Nevertheless, different geometrical assignments may exist between image size and loudspeaker basis width in production studios, multimedia rooms as well as in home living rooms ? besides varying room-acoustical and qualitative conditions. For best possible imagination of program essences the exact locations of sound and picture sources should be assigned as closely as possible, i.e., with corresponding horizontal listening angles and viewing angles for avoiding disturbing discrepancies between acoustical and optical perspective. Essential connections are considered and the recommendation is derived to adjust the optimum viewing distance 2H with regard to appropriate large loudspeaker basis width and image size for high home theater experiences.

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