System for delivering digital sound, graphics, real time files and data via cable
First Claim
1. A system for delivering digital data encoded in a video signal comprising:
- a) recording means for recording digital data as a digitally encoded video signal;
b) distribution means for coupling to said recording means for distributing the recorded digitally encoded video signal to end users as one of a plurality of channels;
c) video signal decoding means for coupling to said distribution means for decoding the distributed recorded, digitally encoded video signal to produce an output signal representing a single user selected channel, said single user seletected channel being the one channel of said plurality of channels;
d) output signal decoding means coupled to said video signal decoding means for decoding the output signal to convert the decoded, distributed and recorded, digitally encoded video signal to the digital data.
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Accused Products
Abstract
A method and apparatus for sending digital audio data and/or digital graphics within available bandwidth used to carry television signals into end-user homes and offices, such as, additional bandwidth which will become available as optical fiber replaces cable currently in use to carry cable television programming. The invention also makes it possible for digital audio and graphics, including computer generated data such as output from a word processing, paint or real time file builder program, to be sent over any regular television channel on any cable system. The system could even be used on a television signal broadcast at a normal broadcast frequency if the signal received in the home is of high enough quality. The system utilizes existing cable decoder boxes which have been improved by the addition of a decoder which decodes a composite or RF video signal containing digitized audio to audio, and optional additional signal processing, for playback or recording by existing consumer electronics audio equipment.
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Citations
13 Claims
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1. A system for delivering digital data encoded in a video signal comprising:
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a) recording means for recording digital data as a digitally encoded video signal; b) distribution means for coupling to said recording means for distributing the recorded digitally encoded video signal to end users as one of a plurality of channels; c) video signal decoding means for coupling to said distribution means for decoding the distributed recorded, digitally encoded video signal to produce an output signal representing a single user selected channel, said single user seletected channel being the one channel of said plurality of channels; d) output signal decoding means coupled to said video signal decoding means for decoding the output signal to convert the decoded, distributed and recorded, digitally encoded video signal to the digital data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification