CY1111103T1 - Ψηφιακη τηλεοπτικη μεταδοση - Google Patents

Ψηφιακη τηλεοπτικη μεταδοση

Info

Publication number
CY1111103T1
CY1111103T1 CY20101101153T CY101101153T CY1111103T1 CY 1111103 T1 CY1111103 T1 CY 1111103T1 CY 20101101153 T CY20101101153 T CY 20101101153T CY 101101153 T CY101101153 T CY 101101153T CY 1111103 T1 CY1111103 T1 CY 1111103T1
Authority
CY
Cyprus
Prior art keywords
programs
video
rendering
encoding
video signal
Prior art date
Application number
CY20101101153T
Other languages
English (en)
Inventor
Avigdor Olshansky
Yoram Caspi
Original Assignee
Screenpeaks Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Screenpeaks Ltd filed Critical Screenpeaks Ltd
Publication of CY1111103T1 publication Critical patent/CY1111103T1/el

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4347—Demultiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2665—Gathering content from different sources, e.g. Internet and satellite

Abstract

Παρέχεται μια μέθοδος για μετάδοση μιας πλειάδας πληροφοριακών προγραμμάτων βίντεο μέσω ενός μοναδικού συρμού μεταφοράς σε μια πλειάδα δεκτών, όπου οι δέκτες είναι λειτουργικοί για να επιλέγουν από τα δεδομένα του συρμού μεταφοράς τα οποία ταυτοποιούνται από οποιοδήποτε δεδομένο πρόγραμμα και να αποκωδικοποιούν τα ταυτοποιημένα δεδομένα σε σήμα βίντεο που μπορεί να εμφανίζεται στην οθόνη. Η μέθοδος συνίσταται στην αποθήκευση μια πλειάδας πληροφοριακών προγραμμάτων βίντεο, στη χρονοδρόμηση τους διαμέσου ταυτόχρονων συχνοτήτων, στην απόδοση κάθε προγράμματος και κωδικοποίηση, σύμφωνα με πρότυπα, μέσα σε ένα συρμό βίντεο, στην πολύπλεξη των συρμών βίντεο με αλληλένθετο τρόπο, και στην μορφοτυποποίηση τους για να καθίστανται ο συρμός μεταφοράς, όπου οποιαδήποτε από τις λειτουργίες χρονοδρόμησης, απόδοσης, κωδικοποίησης και πολύπλεξης είναι τέτοιες που οι εικόνες που λαμβάνονται με αποκωδικοποίηση των μεταδιδόμενων δεδομένων με οποιοδήποτε από τα προγράμματα και εμφάνιση του προκύπτοντος σήματος βίντεο, ουσιαστικά είναι ίδιες με αυτές που λαμβάνονται με απόδοσης και κωδικοποίηση των προγραμμάτων ξεχωριστά, μεταδίδοντας το αντίστοιχο κωδικοποιημένο πρόγραμμα μόνο δια μέσου ενός συρμού μετάδοσης, αποκωδικοποιώντας τα μεταδιδόμενα δεδομένα και εμφανίζοντας το προκύπτον σήμα βίντεο.
CY20101101153T 2000-10-11 2010-12-14 Ψηφιακη τηλεοπτικη μεταδοση CY1111103T1 (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23945200P 2000-10-11 2000-10-11
US09/793,226 US7224837B2 (en) 2000-10-11 2001-02-26 Digital video broadcasting
EP01978789A EP1329111B1 (en) 2000-10-11 2001-10-11 Digital video broadcasting

Publications (1)

Publication Number Publication Date
CY1111103T1 true CY1111103T1 (el) 2015-06-11

Family

ID=26932585

Family Applications (1)

Application Number Title Priority Date Filing Date
CY20101101153T CY1111103T1 (el) 2000-10-11 2010-12-14 Ψηφιακη τηλεοπτικη μεταδοση

Country Status (10)

Country Link
US (2) US7224837B2 (el)
EP (1) EP1329111B1 (el)
CN (1) CN1242625C (el)
AT (1) ATE482569T1 (el)
AU (1) AU2002210880A1 (el)
CY (1) CY1111103T1 (el)
DE (1) DE60143121D1 (el)
HK (1) HK1063256A1 (el)
PT (1) PT1329111E (el)
WO (1) WO2002032144A2 (el)

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Also Published As

Publication number Publication date
EP1329111A2 (en) 2003-07-23
WO2002032144A3 (en) 2002-08-29
WO2002032144A2 (en) 2002-04-18
DE60143121D1 (de) 2010-11-04
AU2002210880A1 (en) 2002-04-22
HK1063256A1 (en) 2004-12-17
PT1329111E (pt) 2010-12-28
CN1475082A (zh) 2004-02-11
CN1242625C (zh) 2006-02-15
EP1329111B1 (en) 2010-09-22
US20070286243A1 (en) 2007-12-13
US7224837B2 (en) 2007-05-29
ATE482569T1 (de) 2010-10-15
US7548653B2 (en) 2009-06-16
US20020049985A1 (en) 2002-04-25

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