Title of Invention | METHOD AND APPARATUS FOR ENCRYPTING/DECRYPTING MULTIMEDIA CONTENT TO ALLOW RANDOM ACCESS |
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Abstract | A method is disclosed for encrypting a multimedia file including parsing the multimedia file to identify a media data portion; encrypting the media data portion; and, combining the encrypted media data portion with a non-encrypted non-media data portion. A method is also disclosed for playing a multimedia file including parsing the multimedia file to identify an unencrypted metadata portion; using the unencrypted metadata portion to locate a position of interest in the media file, the position of interest having an associated encrypted media data portion; and, decrypting the associated encrypted media data portion. An apparatus for performing the methods is also disclosed herein. |
Full Text | Embodiments of the invention relate generally to encryption and decryption of multimedia files, and more particularly, to a method and apparatus for encrypting/decrypting multimedia content to allow random access. |
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127-mumnp-2008-abstract(25-1-2008).pdf
127-MUMNP-2008-AUSTRALIAN DOCUMENT(7-12-2011).pdf
127-MUMNP-2008-CHINESE DOCUMENT(7-12-2011).pdf
127-mumnp-2008-claims(25-1-2008).pdf
127-MUMNP-2008-CLAIMS(AMENDED)-(21-2-2014).pdf
127-MUMNP-2008-CLAIMS(AMENDED)-(7-6-2012).pdf
127-MUMNP-2008-CLAIMS(MARKED COPY)-(21-2-2014).pdf
127-MUMNP-2008-CLAIMS(MARKED COPY)-(7-6-2012).pdf
127-MUMNP-2008-CORRESPONDENCE(10-1-2014).pdf
127-MUMNP-2008-CORRESPONDENCE(12-9-2012).pdf
127-MUMNP-2008-CORRESPONDENCE(14-7-2011).pdf
127-MUMNP-2008-CORRESPONDENCE(18-4-2012).pdf
127-MUMNP-2008-CORRESPONDENCE(2-11-2011).pdf
127-MUMNP-2008-CORRESPONDENCE(20-5-2011).pdf
127-MUMNP-2008-CORRESPONDENCE(20-9-2010).pdf
127-MUMNP-2008-CORRESPONDENCE(21-4-2011).pdf
127-MUMNP-2008-CORRESPONDENCE(23-7-2013).pdf
127-mumnp-2008-correspondence(25-4-2008)).pdf
127-MUMNP-2008-CORRESPONDENCE(26-5-2011).pdf
127-MUMNP-2008-CORRESPONDENCE(27-5-2011).pdf
127-MUMNP-2008-CORRESPONDENCE(5-10-2012).pdf
127-mumnp-2008-description(complete)-(25-1-2008).pdf
127-mumnp-2008-drawing(25-1-2008).pdf
127-MUMNP-2008-DRAWING(7-12-2011).pdf
127-MUMNP-2008-ENGLISH TRANSLATION(20-5-2011).pdf
127-MUMNP-2008-EP DOCUMENT(7-12-2011).pdf
127-MUMNP-2008-FORM 1(12-9-2012).pdf
127-mumnp-2008-form 1(25-1-2008).pdf
127-MUMNP-2008-FORM 1(7-12-2011).pdf
127-MUMNP-2008-FORM 13(12-9-2012).pdf
127-mumnp-2008-form 18(29-1-2008).pdf
127-mumnp-2008-form 2(25-1-2008).pdf
127-mumnp-2008-form 2(title page)-(25-1-2008).pdf
127-mumnp-2008-form 26(25-1-2008).pdf
127-MUMNP-2008-FORM 26(7-12-2011).pdf
127-MUMNP-2008-FORM 3(20-9-2010).pdf
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127-mumnp-2008-form 5(25-1-2008).pdf
127-MUMNP-2008-JP DOCUMENT(18-4-2012).pdf
127-MUMNP-2008-KOREA DOCUMENT(7-12-2011).pdf
127-MUMNP-2008-OFFICE ACTION(27-5-2011).pdf
127-MUMNP-2008-OTHER DOCUMENT(2-11-2011).pdf
127-MUMNP-2008-OTHER DOCUMENT(23-7-2013).pdf
127-MUMNP-2008-OTHER DOCUMENT(26-5-2011).pdf
127-MUMNP-2008-OTHER DOCUMENT(5-10-2012).pdf
127-MUMNP-2008-PETITION UNDER RULE 137(7-12-2011).pdf
127-MUMNP-2008-REPLY TO EXAMINATION REPORT(7-12-2011).pdf
127-MUMNP-2008-REPLY TO EXAMINATION REPORT(7-6-2012).pdf
127-MUMNP-2008-REPLY TO HEARING(21-2-2014).pdf
127-MUMNP-2008-RUSSIAN DOCUMENT(7-12-2011).pdf
127-MUMNP-2008-SINGAPORE DOCUMENT(7-12-2011).pdf
127-MUMNP-2008-TAIWAN DOCUMENT(7-12-2011).pdf
127-MUMNP-2008-US DOCUMENT(7-12-2011).pdf
127-mumnp-2008-wo international publication report(25-1-2008).pdf
Patent Number | 259376 | |||||||||
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Indian Patent Application Number | 127/MUMNP/2008 | |||||||||
PG Journal Number | 11/2014 | |||||||||
Publication Date | 14-Mar-2014 | |||||||||
Grant Date | 11-Mar-2014 | |||||||||
Date of Filing | 25-Jan-2008 | |||||||||
Name of Patentee | QUALCOMM INCORPORATED | |||||||||
Applicant Address | 5775 Morehouse Drive San Diego California 92121 United States of America | |||||||||
Inventors:
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PCT International Classification Number | H04N7/24 | |||||||||
PCT International Application Number | PCT/US2006/027461 | |||||||||
PCT International Filing date | 2006-07-12 | |||||||||
PCT Conventions:
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