Telecommunication system with frame selected continuous audio si

Details Telecommunication system with frame selected continuous audio si Telecommunication system with frame selected continuous audio si

1988-03-09

1988-10-25

George, Keith E.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358143, H04N 710

Patent

active

047807571

ABSTRACT:
A telecommunication system has a facility and an addressable terminal coupled through a transmission medium. The facility includes means for providing addressed video frames containing information corresponding to still images and for providing addressed audio frames containing information corresponding to audio bursts. There is also provided for non-addressed signals containing information corresponding to at least two channels of continuous audio. A selection code is inserted in one or more of the frames. The addressed video and audio frames and non-addressed signals are coupled to the transmission medium to the addressable terminal. The terminal has means for detecting said addressed video frames, addressed audio frames, and non-addressed signals. Circuits select video frames and audio frames in response to their corresponding addresses. One of said continuous audio channels is selected in response to said selection code.

REFERENCES:
patent: 3493674 (1970-02-01), Houghton
patent: 3746780 (1973-07-01), Stetten et al.
patent: 4500751 (1985-02-01), Darland et al.
patent: 4578535 (1986-03-01), Simmons
patent: 4616263 (1986-10-01), Eichelberger
patent: 4698670 (1987-10-01), Matty
patent: 4734764 (1988-03-01), Pocock et al.
NHK (Japan Broadcasting Corporation) "Present Status of Still-Picture Television"; May 1978.
Berg, "Dialoog TV; Kabelexperiment Zuid-Limburg", I.sup.2 -Elektrotechniek/Elektronica-No. 4-1986, pp. 35-39.

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