Patent
Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
Tatsuya Kubota,Norio Wakatsuki +1 more
TLDR
In this article, a data multiplexing device which multiplexes and transmits the transport stream packets of program data consisting of a plurality of data elements constructed in the form of transport stream packet, is described.Abstract:
In a data multiplexing device which multiplexes and transmits the transport stream packets of program data consisting of a plurality of data elements constructed in the form of transport stream packets, a program distribution system, a program transmission system, a pay broadcast system, a program transmission method, a conditional access system, and a data reception device according to the present invention, by generating a scramble key Ks corresponding to one or more data elements among the plurality of data elements constituting a program and by scrambling each data element, an audience can subscribe for each data element.read more
Citations
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Patent
Thin docsis in-band management for interactive hfc service delivery
TL;DR: In this paper, the circuitry and processed carried out for transmitting video-on-demand and interactive service data on an MPEG multiplex and sending management and control data including conditional access EMM key data in-band in MPEG packets having the DOCSIS PID was disclosed.
Patent
Data structure and methods for providing an interactive program guide
TL;DR: A program guide in which a video layer includes a plurality of video objects including title objects, each title object having associated with it a channel and at least one time slot is presented in this article.
Patent
Multimedia distribution system
TL;DR: In this article, the authors describe a multimedia file and methods of generating, distributing and using the multimedia file, which can contain multiple video tracks, audio tracks, multiple subtitle tracks, a complete index that can be used to locate each data chunk in each of these tracks and an abridged index that enables the location of a subset of the data chunks in each track.
Patent
Server-centric customized interactive program guide in an interactive television environment
Sadik Bayrakeri,Donald F. Gordon,John P. Comito,Edward A. Ludvig,Harold P. Yocom,Jeremy S. Edmonds,Eugene Gershtein +6 more
TL;DR: In this article, a set of channels to be included in the customized interactive program guide (custom-IPG) are selected at a head-end, and one or more of the selected channels including the set of selected channels are rendered at the head end.
Patent
System and method for scalable processing of multi-way data stream correlations
TL;DR: In this paper, a task is formed for continuously partitioning a multi-way stream correlation workload into smaller workload pieces, each of which may be processed by a single host for correlation processing.
References
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Patent
Stored program pay-per-play
TL;DR: A stored program pay-per-play system includes a high-capacity storage medium facilitating compilation of video, audio or other programs at a subscriber's site as discussed by the authors, where the recording of program materials may be directed automatically by subscriber-operated storage management facilities which scan program schedules and select materials to be recorded, based on title, cast, program genre or any other of a variety of viewer/listener preferences.
Patent
Downloading operating system software through a broadcast channel
TL;DR: In this article, a cyclic broadcast of a packetized data file containing the operating system is used to facilitate frequent upgrades of set-top terminals in broadband broadcast networks, where the broadcast includes operating system files for a number of different terminal types and data identifying the current broadcast version of the operating systems for each type of terminal.
Patent
Simulcasting digital video programs for broadcast and interactive services
Bruce Kostreski,Allan Schneider +1 more
TL;DR: In this paper, a public wireless packet data network is combined with a broadband digital broadcast network, where multiple transmitters at separately located sites simultaneously broadcasting the same multi-channel, multi-program signal.
Patent
Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
TL;DR: In this article, a set top unit (STU) associated with a service provider (SP) is used to ensure that programs comprising at least one of video, audio, and data that are requested by a customer from a SP via an interactive information services system (10) are accessible by only authorized customers (130).
Patent
Conditional access system
TL;DR: In this article, the authors describe a cable television system where the service instances are encrypted using public and/or private keys provided by service providers or central authorization agents, and the keys used by the set-tops for selective decryption may also be public or private in nature.