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Journal Article

Some Considerations Regarding FM Four-Channel Stereo Broadcasting Systems

Authors: Miki, Sukeichi; Takezaki, Tsuneo; Kanno, Masashi; Okamoto, Michio

Journal of the Audio Engineering Society · Volume 23 · Issue 4 · pp. 274–281 · May 1975

Abstract

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.

Details

Publication
Journal of the Audio Engineering Society
Volume
23
Issue
4
Pages
274–281
Publication date
May 6, 1975
Affiliation
Matsushita Electric Industrial Company, Ltd., Osaka, Japan (See document for exact affiliation information.)
Type
Journal Article