US Patent 7447791 Transmission and reception of audio and/or video material

Patent 7447791 was granted and assigned to British Telecommunications Public Limited Company on November, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

British Telecommunications Public Limited Company

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7447791

Date of Patent

November 4, 2008

Patent Application Number

10433259

Date Filed

December 14, 2001

Patent Citations Received

‌

US Patent 11770432 Enhanced block-request streaming system for handling low-latency streaming

Patent Primary Examiner

‌

ThuHa T. Nguyen

Patent abstract

Delivery of recorded audio or video material over a telecommunications link from a server is accomplished by dividing the material into a sequence of sub-files each of which is independently requested by the terminal, which thereby has control of the rate of delivery. Provision may be made for switching between alternative sub-file sets representing alternative delivery modes or data rates.

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