FM Multiplex system for selectively delaying one of two audio si

Details FM Multiplex system for selectively delaying one of two audio si FM Multiplex system for selectively delaying one of two audio si

1979-11-21

1981-11-24

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

358144, 179 1GB, H04H 500, H04J 100

Patent

active

043028373

ABSTRACT:
An FM multiplex audio system wherein either stereo signals or signals of two languages can be simultaneously transmitted and where switch means are provided so as to selectively delay either of the language signals so that the listener will hear a first language and then after a delay a second language. Means are also provided for muting either of the language signals if desired.

REFERENCES:
patent: 3919480 (1975-11-01), Fukami
patent: 3970787 (1976-07-01), Searle
patent: 4048654 (1977-09-01), Wegner
NHK Laboratories Note, "Simultaneous Transmission of Two Television Sound Channels", by Nomaguchi et al, Feb. 1970 Serial No. 132.
"Simultaneous Transmission of Two Languages on Television" by Mohanty, J. Instn. Telecom. Engrs. vol. 18, No. 7, 1972, pp. 313-319.

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