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. 24, 2013
Filed:
Dec. 17, 2008
Giovanni Ballocca, Turin, IT;
Roberto Borri, Nole, IT;
Roberto Caldelli, Pian di Scò, IT;
Rudy Becarelli, Pistoia, IT;
Francesco Filippini, Marcello Pistoiese, IT;
Giovanni Ballocca, Turin, IT;
Roberto Borri, Nole, IT;
Roberto Caldelli, Pian di Scò, IT;
Rudy Becarelli, Pistoia, IT;
Francesco Filippini, Marcello Pistoiese, IT;
CSP—Innovazione Nelle ICT Scarl, Turin, IT;
Universita' Degli Studi di Firenze, Florence, IT;
S.I.SV.EL. S.p.A. Societa' Italiana per Lo Sviluppo Dell'Elettronica, , IT;
Abstract
A method for referencing and interconnecting contents, applications and metadata to an audiovisual content is described, especially for iTV of for distribution on DVD, which comprises the step of inserting a digital watermark into the audiovisual content during an audiovisual content encoding step, the digital watermark being possibly used for allowing a user to reproduce or exploit additional contents supplementing those provided by the audiovisual content, wherein the digital watermark is inserted into the audiovisual content as data frame with header and body by subdividing it into a plurality of consecutive 'I' frames and forcing the parity of LSBs of mid-frequency providing an auxiliary watermark channel, e.g. in an MPEG2 transport stream.