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US 6,144,702 AGranted
Audio and video transmission and receiving system
AssigneeGreenwich Information Technologies, LLC
InventorsPaul Yurt, H. Lee Browne
Life of this patent
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Abstract
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is sent over standard telephone, cable or satellite broadcast channels to a receiver specified by a subscriber of the service, preferably in less than real time, for later playback and optional recording on standard audio and/or video tape.
Claims42
A communication system comprising:
- a transmission system at a first location in data communication with a reception system at a second location, wherein said transmission system comprises
- a sequence encoder,
- an identification encoder, and
- a compressed data library in data communication with said identification encoder,
- wherein said identification encoder gives items in said compressed data library a unique identification code;
- and
- wherein said reception system comprises
- a transceiver in data communication with said transmission system,
- a storage device in data communication with said transceiver,
- user playback controls in data communication with said storage device,
- a digital compressor in data communication with said storage device, and
- a playback device in data communication with said digital decompressor.
9 more elements
A communication system comprising:
- a transmission system at a first location in data communication with a reception system at a second location, wherein said transmission system comprises
- a source material library,
- an identification encoder in data communication with said source material library,
- a converter having a data input in data communication with said source material library and a digital data output,
- a sequence encoder in data communication with said digital data output,
- a digital data compressor in data communication with said digital data output,
- a compressed data formatting device in data communication with said digital data compressor,
- a compressed data library in data communication with said compressed data formatting device, and
- a transmitter in data communication with said compressed data library;
- and wherein said reception system comprises
- a transceiver in data communication with said transmission system,
- a receiver format converter in data communication with said transceiver,
- a storage device in data communication with said receiver format converter,
- user playback controls in data communication with said storage device,
- a digital decompressor in data communication with said receiver format converter, and
- an output data converter in data communication with said digital decompressor.
13 more elements
A communication system comprising:
- a transmission system at a first location in data communication with a reception system at a second location, wherein said transmission system comprises:
- an identification encoder, wherein said identification encoder allows entry of a popularity code;
- and
- a compressed data library in data communication with said identification encoder;
- and
- wherein said reception system comprises
- a transceiver in data communication with said transmission system,
- a storage device in data communication with said transceiver,
- user playback controls in data communication with said storage device,
- a digital decompressor in data communication with said storage device, and
- a playback device in data communication with said digital decompressor.
8 more elements
Dependencies are inferred from the claim text.