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Aiming the pistol-shaped control at an individual photocell could turn the receiver on and off, mute the sound and change the channel up or down. [3] [4] Polley also worked on the push-button car radio and contributed to the development of video disks. [1] Polley's career at Zenith included positions as a product engineer and mechanical engineer.
MTS features, including stereo and SAP, travel on subcarriers of the video carrier, much like color for television.It is not carried on the audio carrier in the manner of stereo sound for an FM radio broadcast, however, as it only has a frequency deviation of ±25 kHz, whereas regular FM broadcasting has a deviation of ±75 kHz.
Multichannel Television Sound (MTS) is the method of encoding three additional audio channels into analog 4.5 MHz audio carriers on System M and System N.The system was developed by an industry group known as the Broadcast Television Systems Committee, a parallel to color television's National Television System Committee, which developed the NTSC television standard.
In 1980, the most popular remote control was the Starcom Cable TV Converter (from Jerrold Electronics, a division of General Instrument) [15] which used 40-kHz sound to change channels. Then, a Canadian company, Viewstar, Inc., was formed by engineer Paul Hrivnak and started producing a cable TV converter with an infrared remote control.
Granted, it might not have the same oomph as a full-fledged 'bar, but it'll certainly sound better than your TV's built-in speakers. (For the record, Apple's HomePod can do this as well, but only ...
For example, one surround-sound processor from a US specialty manufacturer used the system number 16, designated for "Preamp 1". This caused many problems with home theater installations that also included a separate two-channel preamplifier, which if of US or European origin, would also use the RC-5 protocol with system number 16.
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