SIGNAL PROPAGATION
The first method used for stereo broadcasting and reception is illustrated in Fig. 29.8. Two complete transmitters were used, one sending out the left (L) stereo signal, the other the right (R) stereosignal of the same program. All combinations of a.m broadcast, f.m broadcast, the television soundchannel transmission have been tried. Most popular were the FM/AM (one FM station and one AM station) and the FM/FM (two FM stations) methods.
Fig. 29.8 Two-transmitter method for radio transmission of stereo-signals
The two-transmitter method of transmitting stereo was convenient because it utilised existing transmitting and ...
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