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1. WO2015039888 - CORRELATING TIMELINE INFORMATION BETWEEN MEDIA STREAMS

Publication Number WO/2015/039888
Publication Date 26.03.2015
International Application No. PCT/EP2014/068925
International Filing Date 05.09.2014
IPC
H04N 21/43 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
H04N 21/462 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies or resolving scheduling conflicts
462Content or additional data management e.g. creating a master electronic program guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
H04N 21/8358 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
83Generation or processing of protective or descriptive data associated with content; Content structuring
835Generation of protective data, e.g. certificates
8358involving watermark
H04N 21/8547 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
85Assembly of content; Generation of multimedia applications
854Content authoring
8547involving timestamps for synchronizing content
CPC
H04N 21/2387
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
2387Stream processing in response to a playback request from an end-user, e.g. for trick-play
H04N 21/242
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
242Synchronization processes, e.g. processing of PCR [Program Clock References]
H04N 21/4307
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
4302Content synchronisation processes, e.g. decoder synchronisation
4307Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
H04N 21/4622
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
4622Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
H04N 21/8358
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
83Generation or processing of protective or descriptive data associated with content; Content structuring
835Generation of protective data, e.g. certificates
8358involving watermark
H04N 21/8456
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
83Generation or processing of protective or descriptive data associated with content; Content structuring
845Structuring of content, e.g. decomposing content into time segments
8456by decomposing the content in the time domain, e.g. in time segments
Applicants
  • KONINKLIJKE KPN N.V. [NL]/[NL]
  • NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO [NL]/[NL]
Inventors
  • VAN DEVENTER, Mattijs Oskar
  • STOKKING, Hans Maarten
  • VAN BRANDENBURG, Ray
Agents
  • WUYTS, Koenraad
Priority Data
13185405.120.09.2013EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CORRELATING TIMELINE INFORMATION BETWEEN MEDIA STREAMS
(FR) MISE EN CORRÉLATION D'INFORMATIONS CHRONOLOGIQUES ENTRE FLUX MULTIMÉDIAS
Abstract
(EN)
A system is provided for enabling correlating timeline information between a first media stream and a second media stream which are both associated with a common play-out timeline. The system comprises at least two stream monitors arranged for providing identification information for a media stream by obtaining a persistent identification of one or more media samples of the media stream, determining a timestamp value associated with the persistent identification, and providing the timestamp value and the persistent identification as the identification information. Furthermore, a correlation subsystem is provided for combining the identification information to enable correlating timeline information of the first media stream to timeline information of the second media stream by matching a first persistent identification of the first media stream to a second persistent identification of the second media stream and thereby matching a first timestamp value of the first media stream to a second timestamp value of the second media stream. The systemenables media synchronization to be provided for a plurality of devices in a segment of a media distribution network with less computational complexity and/or bandwidth.
(FR)
La présente invention concerne un système permettant de mettre en corrélation des informations entre un premier flux multimédia et un second flux multimédia qui sont tous deux associés à une chronologie de lecture commune. Le système comprend au moins deux contrôleurs de flux conçus pour fournir des informations d'identification pour un flux multimédia par obtention d'une identification persistante d'un ou de plusieurs échantillons multimédias du flux multimédia, par détermination d'une valeur d'estampille temporelle associée à l'identification persistante, et par fourniture de la valeur d'estampille temporelle et de l'identification persistante en tant qu'informations d'identification. L'invention concerne en outre un système de mise en corrélation permettant de combiner les informations d'identification de sorte à rendre possible une mise en corrélation des informations chronologiques du premier flux multimédia avec les informations chronologiques du second flux multimédia par mise en correspondance d'une première identification persistante du premier flux multimédia avec une seconde identification persistante du second flux multimédia, ce qui permet de mettre en correspondance une première valeur d'estampille temporelle du premier flux multimédia avec une seconde valeur d'estampille temporelle du second flux multimédia. Le système permet d'assurer une synchronisation multimédia pour une pluralité de dispositifs dans un segment d'un réseau de distribution multimédia avec une complexité de calcul et/ou une largeur de bande moindres.
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