River Forest, Ill. — Carl G. Eilers, 83, who has been called the “father of stereo FM radio and stereo television sound,” died suddenly June 20 of an apparent heart attack. Eilers, a 50-year Zenith ...

Eilers, an electrical engineer who helped develop production of high-fidelity stereo sound over the airwaves, died Friday at his home in River Forest, Ill., apparently of a heart attack. He was 83. A ...

The author is president of Omnia Audio in Cleveland. The FM stereo transmission system employed in worldwide broadcasting has been in place since 1961. The rules governing stereophonic performance ...

Technology history buffs as well as broadcast and consumer electronics engineers are remembering Carl G. Eilers, who died last month at age 83. Here is the text of Eilers’ biography in the Consumer ...

Classic German audio brand Revo has announced its first new product in quite some time. The company makes a range of traditional radio designs with the latest technology in terms of Internet radio and ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...