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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0269796 (1994-06-30) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 329 인용 특허 : 0 |
A video server for providing Video-On-Demand is disclosed. A plurality of data sources are coupled individually to a first and second bi-directional data/instruction switch. The first switch is additionally coupled to a data storage system and the second switch is coupled to a network interface. A r
A video server for providing Video-On-Demand is disclosed. A plurality of data sources are coupled individually to a first and second bi-directional data/instruction switch. The first switch is additionally coupled to a data storage system and the second switch is coupled to a network interface. A real time controller is coupled to the data sources and the switches and can couple any part of the data storage system to any selected data source and any given network channel to any selected data source. A control system coupled to the real time controller and the second switch provides support services to the real time controller and acts as a gateway to third party services and products. The data storage system is largely comprised of disk drive arrays. Video data is striped across the individual arrays, each video data program that a user requests being striped across one array. Each array provides video data to many users through the data sources. The video server is tolerant of individual failures in the data storage system and among the data sources, as operating portions of the data storage system and spare data sources can be rapidly switched to substitute for failed units. The server can also be readily expanded and provides a user experience similar to that of a video cassette recorder.
In a computer system having a data storage system and a computer, the computer capable of accessing at least a first movie stored in the data storage system and providing the accessed first movie to a user in a play viewing mode which closely approximates the play mode of a video cassette recorder,
In a computer system having a data storage system and a computer, the computer capable of accessing at least a first movie stored in the data storage system and providing the accessed first movie to a user in a play viewing mode which closely approximates the play mode of a video cassette recorder, a method for displaying the movie in a fast reverse mode and a fast forward mode which approximates the fast forward and fast reverse viewing modes of a video cassette recorder, the method comprising the steps of: editing a first copy of the stored movie to copy one frame from every predetermined number of frames; storing the frames copied from the first copy in the same order they were copied from the first copy as a second copy in the data storage system; storing the frames copied from the first copy in the reverse order they were copied from the first copy as a third copy in the data storage system; displaying the stored second copy if the user request fast forward viewing of the first movie; and displaying the stored third copy if the user request fast reverse viewing of the first movie.
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