Selection of content from a stream of video or audio data

J. Nesvadba (Inventor), I.G. Nagorski (Inventor), R.M. Aarts (Inventor)

Research output: PatentPatent publication

Abstract

A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped.; In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.
Original languageEnglish
Patent numberUS9143718B2
Publication statusPublished - 26 Mar 2013

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Nesvadba, J., Nagorski, I. G., & Aarts, R. M. (2013). Selection of content from a stream of video or audio data. (Patent No. US9143718B2).
Nesvadba, J. (Inventor) ; Nagorski, I.G. (Inventor) ; Aarts, R.M. (Inventor). / Selection of content from a stream of video or audio data. Patent No.: US9143718B2.
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Nesvadba, J, Nagorski, IG & Aarts, RM 2013, Selection of content from a stream of video or audio data, Patent No. US9143718B2.

Selection of content from a stream of video or audio data. / Nesvadba, J. (Inventor); Nagorski, I.G. (Inventor); Aarts, R.M. (Inventor).

Patent No.: US9143718B2.

Research output: PatentPatent publication

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N2 - A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped.; In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.

AB - A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped.; In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.

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Nesvadba J, Nagorski IG, Aarts RM, inventors. Selection of content from a stream of video or audio data. US9143718B2. 2013 Mar 26.