US Patent 7505897 Generalized Lempel-Ziv compression for multimedia signals
Patent 7505897 was granted and assigned to Microsoft on March, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The subject matter includes systems, engines, and methods for generalizing a class of Lempel-Ziv algorithms for lossy compression of multimedia. One implementation of the subject matter compresses audio signals. Because music, especially electronically generated music, has a substantial level of repetitiveness within a single audio clip, the basic Lempel-Ziv compression technique can be generalized to support representing a single window of an audio signal using a linear combination of filtered past windows. Exemplary similarity searches and filtering strategies for finding the past windows are described.
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US Patent 07505897 Generalized Lempel-Ziv compression for multimedia signals US Patent 7505897 Generalized Lempel-Ziv compression for multimedia signals
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Patent Number
0750589700
Patent Number
750589700
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075058970
Date of Patent
March 17, 2009
0Patent Application Number
110458430
Date Filed
January 27, 2005
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075058970
Date of Patent
March 17, 2009
0Patent Application Number
110458430
Date Filed
January 27, 2005
0Official Website
Patent Primary Examiner
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US Patent 07505897 Generalized Lempel-Ziv compression for multimedia signals
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07505897
Date of patent
March 17, 2009
Patent application number
11045843
Date Filed
January 27, 2005
Patent primary examiner
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