Method of retrieving continuous and non-continuous media data fr

Details Method of retrieving continuous and non-continuous media data fr Method of retrieving continuous and non-continuous media data fr

1994-11-18

1998-01-13

Black, Thomas G.

395495, 395425, 395621, G06F 1500, G06F 1700

Patent

active

057087962

ABSTRACT:
A method of scheduling the retrieval of both continuous and non-continuous data retrieves continuous data streams at a predetermined rate. At least one server receives one or more requests for the retrieval of a stream of media data by at least one terminal. Each requested media stream is characterized by a playback rate r.sub.i. A common retrieval time period is established for each requested media stream. The common retrieval time period is a function of the playback rate. The retrieval of the requested media stream is scheduled in the order in which each request is received by the server.

REFERENCES:
patent: 5390313 (1995-02-01), Yanai et al.
Rangan et al., "Designing an On-Demand Multimedia Service" IEEE, pp. 56-64, Jul. 1992.
Anderson et al., "A File System for Continuous Media", ACM Transactions Computer Systems, vol. 10, No. 4, pp. 311-337, Nov. 1992.
U.S. application No. 08/260,856, Biliris et al., filed Jun. 16, 1994.
A. L. N. Reddy and J. C. Wyllie, "I/O Issues in a Multimedia System", IEEE Computer Soc., Mar. 1994.
P. V. Rangan and H. M. Vin, "Designing File Systems for Digital Video and Audio", Proceedings of the Thirteenth Symposium on Operating System Principles, Dec. 1991.
J. Gemmell, S. Christodoulakis, "Principles of Delay-Sensitive Multimedia Data Storage and Retrieval", ACM Transactions on Information Systems, vol. 10, No. 1, Jan. 1992, pp. 51-90.

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