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Some Considerations Regarding FM Four-Channel Stereo Broadcasting Systems

Occupied bandwidth, interference between stations, and transmitter service area are discussed using a discrete four-channel modulation model for VHF/FM broadcasting in terms of sideband power distribution, time rate of out-of-band emission, protection ratio, and signal-to-noise ratio, in comparison with two other proposed modulation systems. The conclusion is that an additional guardband and extra transmitter are not necessary to broadcast discrete four-channel sound on present two-channel broadcasting systems.

Authors: Miki, Sukeichi; Takezaki, Tsuneo; Kanno, Masashi; Okamoto, Michio
Affiliation: Matsushita Electric Industrial Company, Ltd., Osaka, Japan
JAES Volume 23 Issue 4 pp. 274-281; May 1975 Import into BibTeX

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