The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2010
Filed:
Jun. 22, 2007
Mark F. Bocko, Caledonia, NY (US);
David Headlam, Rochester, NY (US);
Zeljko Ignjatovic, Rochester, NY (US);
Mark F. Bocko, Caledonia, NY (US);
David Headlam, Rochester, NY (US);
Zeljko Ignjatovic, Rochester, NY (US);
University of Rochester, Rochester, NY (US);
Abstract
A method of embedding useful data in a digital music file in a way that maintains compatibility with existing digital music formats and players and has no effect on the size of the digital music file or sound quality. A digital music file is analyzed to determine a list of start and end locations of at least n consecutive zeros, defining a list of record locations, where n is an integer greater than two. The file store locations are written in initial record locations of the list of record locations and the data and a start key is written remaining record locations of the list of record locations. A process of retrieving the embedded data is also disclosed.