Abstract
Previously proposed systems for AM stereo are discussed. The new compatible AM stereo system is described. The new system makes it possible to implement a stereo transmission with a bandwidth in the sound channels from 50 Hz to 4.5 (or more) kHz and a data transmission with a modulation rate of 25 bit/sec.
Highlights
Due to increasing interest in stereophonic music reproduction in the 1950s, techniques for stereo transmission on AM stations were investigated
Work on the AM stereo system has been in progress ever since
The spectrum of the composite radiated signal must be contained within the normal passband and the difference signal components must be chosen with care if they are not to cause envelope distortion
Summary
Skôr vyvinuté AM stereofónne systémy už boli popísané. V príspevku je popísaný nový kompatibilný AM stereofónny systém. Nový systém umožňuje zavedenie stereofónneho vysielania so šírkou pásma zvukových kanálov od 50 Hz do 4,5 KHz (alebo viac) a prenos dát s prenosovou rýchlosťou 25 bit/s. Proposed systems for AM stereo are discussed. The new compatible AM stereo system is described. The new system makes it possible to implement a stereo transmission with a bandwidth in the sound channels from 50 Hz to 4.5 (or more) kHz and a data transmission with a modulation rate of 25 bit/sec
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