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| Number | Title | Issue Date |
| 8166509 | Methods and apparatus for format selection for network optimization Method and apparatus for optimizing network bandwidth utilization by delivering to users only the minimum number of programs required by service provider policies. In one embodiment, the method comprises switching some users from lower quality versions of programs t... | 04/24/2012 |
| 8112781 | Content delivery system having an edge resource manager performing bandwidth reclamation A method is provided for reclaiming bandwidth from an edge device. The method includes communicating a bandwidth query message to at least one session manager. The bandwidth query message specifies an amount of bandwidth that needs to be reclaimed from a single one ... | 02/07/2012 |
| 8099756 | Channel changes between services with differing bandwidth in a switched digital video system Channel changes between services with differing bandwidth in a switched digital video system. A services map published by the headend and distributed to all of the edge devices, allows a bandwidth requirement to be correlated with each request from a device in the h... | 01/17/2012 |
| 8095955 | Methods and systems for improving network response during channel change In response to a channel change command in a home network, to reduce latency a real time network bandwidth determination is made and if the determination indicates that bandwidth is sufficient to support only I-frame transmission, then only I-frames are sent tempora... | 01/10/2012 |
| 8069464 | Architecture for scaling just-in-time placement of advertising content In one embodiment, a method comprises determining ad placement times for each of a plurality of associated streams. The method also comprises determining an ad selection request time for each of a plurality of ad selection requests based on a cumulative effect of an... | 11/29/2011 |
| 8060909 | Personal media broadcasting system A personal media broadcasting system enables video distribution over a computer network and allows a user to view and control media sources over a computer network from a remote location. A personal broadcaster receives an input from one or more types of media sourc... | 11/15/2011 |
| 8046811 | Scheduled retrieval, storage and access of media data A system and method automates a scheduled retrieval, storage, and access of media data. Media data is retrieved from an external source and downloaded to an end user media device storage for subsequent playback at the end user media device. Media data is accessible ... | 10/25/2011 |
| 7992179 | System and method for selecting a pay per view program to be transmitted to a program receiver The present invention may be regarded as personal video recorder and a method of selecting a pay per view program to be transmitted to a personal video recorder having a program receiver. A schedule of pay per view programs is obtained. Each of the pay per view prog... | 08/02/2011 |
| 7975283 | Presence detection in a bandwidth management system Methods, devices, and computer program products are disclosed for conserving bandwith. If a presence of at least one individual is detected, then a stream of data is delivered to the multimedia device. If the presence of at least one individual is not detected, then... | 07/05/2011 |
| 7921447 | Enhanced television metadata processor for efficient broadcast operations A method and apparatus for enhanced video signal processing are described. An enhanced video signal is received. A plurality of metadata describing the enhanced video signal are generated and processed. A channel for transmission of the enhanced video signal to a pl... | 04/05/2011 |
| 7921448 | Multicast media distribution system The present invention provides for methods, systems, and devices for simultaneously receiving and processing multimedia asset packages transmitted by a plurality of multimedia content providers. The methods and systems of the present invention implement a multiport ... | 04/05/2011 |
| RE42081 | Information transmission apparatus, traffic control apparatus, method of managing bandwidth resources using the same and method of admitting a call, using variable-rate encoding A notification parameter file, which time-sequentially shows a characteristic of the transmission rate change corresponding to the durable time of a traffic, is notified to a network from a server comprising a storage medium storing data having a traffic characteris... | 01/25/2011 |
| 7877776 | Personal media broadcasting system A personal media broadcasting system enables video distribution over a computer network and allows a user to view and control media sources over a computer network from a remote location. A personal broadcaster receives an input from one or more types of media sourc... | 01/25/2011 |
| 7844992 | Video on demand server system and method A Video-on-Demand Server architecture transmits a plurality of pre-coded programs having different bit rates across a fixed bandwidth channel. For each program, a generator generates a plurality of different bit rate representations for each program. Each generator ... | 11/30/2010 |
| 7831990 | Generic adaptation layer for JVT video An encoding system includes a video coding layer (VCL) to generate slices when encoding multimedia data, a generic adaptation layer (GAL) to create, from the slices, a set of GAL units having a format that is generic to various transport systems, and a network adapt... | 11/09/2010 |
| 7774818 | Technique for effectively utilizing limited bandwidth of a communications network to deliver programming content To effectively utilize the bandwidth of a cable TV network, which is limited, analog TV program material is digitized and compressed before its transmission over the network. The resulting signals consume only part of the analog TV band traditionally needed for tran... | 08/10/2010 |
| 7770200 | Methods and apparatus for format selection for network optimization Method and apparatus for optimizing network bandwidth utilization by delivering to users only the minimum number of programs required by service provider policies. In one embodiment, the method comprises switching some users from lower quality versions of programs t... | 08/03/2010 |
| 7761901 | Data transmission Data to be transmitted over a network includes a first part (perhaps audio) which is always to be transmitted and alternative second parts (perhaps video coded at different compression rates) of which one is to be chosen for transmission, depending on the current ne... | 07/20/2010 |
| 7761902 | System and method of providing video content A method of providing video content includes receiving a channel change data packet from a set-top box device at a subscriber premise via a packet-based video distribution network. The channel change data packet includes data indicating a requested channel and a cha... | 07/20/2010 |
| 7673318 | Channel merging method for VOD system A channel merging method for a VOD system, said method comprises the steps of: in response to requests from a plurality of clients for a video program, establishing a root channel (S1) and at least one sub-channel (S11), said root channel (S1) b... | 03/02/2010 |
| 7669220 | Network bandwidth optimization by dynamic channel allocation A method for increasing channel utilization in a video broadcast system includes receiving, at a head-end, a request for a video program from one of a plurality of subscriber stations. Determining whether the requested video program is associated with a first subset... | 02/23/2010 |
| 7657913 | Method and apparatus for correcting corrupted digital video transport streams A digital video system, method, and computer program product for correcting corrupted digital video transport streams is described. The digital video system may include a digital cable, digital broadcast satellite (DBS), high definition television (HDTV), or video-o... | 02/02/2010 |
| 7624415 | Techniques for optimizing use of channel bandwidth in on-demand content delivery systems A system for optimizing bandwidth of a video-on-demand system is provided. According to one aspect of the system, upon receiving a request from a first subscriber for a program, the system delivers the program to the first subscriber via a first communication channe... | 11/24/2009 |
| 7617516 | Methods and systems for providing video on demand over a communication network using managed quality of service, bandwidth allocation and/or user profiles Methods for providing video on demand service from an Application Service Provider (“ASP”) to a user over a Regional/Access Network (“RAN”) are provided. A request for a video on demand application flow may be received from the user. In response to the reque... | 11/10/2009 |
| 7610606 | Technique for effectively providing various entertainment services through a communications network A switched broadcast service and a network personal video recorder (NPVR) service are provided synergistically in a cable TV system having limited resources. For example, in providing the switched broadcast service, a resource manager allocates network bandwidth for... | 10/27/2009 |
| 7587736 | Wideband direct-to-home broadcasting satellite communications system and method The present invention relates to one- or two-way Direct-To-Home (DTH) satellite communications systems which broadcast high bit rate wideband television and multimedia content to user terminals located within a desired coverage area and, more specifically, a single ... | 09/08/2009 |
| 7574726 | Resource allocation in multi-stream IP network for optimized quality of service A resource allocation of multiple compressed AV streams delivered over the Internet is disclosed that achieves end-to-end optimal quality through a multimedia streaming TCP-friendly transport (MSTFP) protocol that adaptively estimates the network bandwidth while smo... | 08/11/2009 |
| 7559078 | Resource allocation in multi-stream IP network for optimized quality of service A resource allocation of multiple compressed AV streams delivered over the Internet is disclosed that achieves end-to-end optimal quality through a multimedia streaming TCP-friendly transport (MSTFP) protocol that adaptively estimates the network bandwidth while smo... | 07/07/2009 |
| 7543326 | Dynamic rate control Dynamic rate control can be implemented in a television-based entertainment environment when forwarding coded data. Real-time information flows are encoded, transcoded, compressed, etc. into data streams that may be forwarded to other components within an apparatus ... | 06/02/2009 |
| 7533405 | Nonlinear broadcast system A nonlinear broadcast system with improved entire resource utilization efficiency gives priority to securing hardware resources for broadcast, for preventing broadcast accidents. A hardware resource management unit determines resource allocation at reproduction star... | 05/12/2009 |
| 7530089 | System and method for improving video quality using a constant bit rate data stream A system providing video data in which a constant bit rate data stream is provided between a video source and a video destination, and has a fixed data rate exceeding a predetermined minimum display rate associated with the video destination. Video data is conveyed ... | 05/05/2009 |
| 7443883 | Method and system of providing customer premise equipment code A method and system for providing customer premise equipment (CPE) code to one or more pieces of CPE in a cable system having a national code repository (NCR) in communication with a number of headend units, wherein the headend units deliver code received from the N... | 10/28/2008 |
| 7426744 | Method and system for flexible channel association A supervisory communications device, such as a headend device within a cable communications network, monitors and controls communications with a plurality of remote communications devices, such as cable modems, throughout a widely distributed network. The supervisor... | 09/16/2008 |
| 7421726 | Method of seamlessly replacing disc-based video streams with memory-based video streams in a video-on-demand system In a video-on-demand system, disc-based video streams are seamlessly replaced with memory-based video streams. This is achieved by first switching each disc-based video stream to a mixed video stream; and later, switching each mixed video stream to a memory-based vi... | 09/02/2008 |
| 7395544 | Regulating the quality of a broadcast based on monitored viewing behavior information Systems and methods for utilizing a back channel as a feedback system to regulate the quality of broadcast. A signal source transmits a signal corresponding to the broadcast to one or more home entertainment systems. The displaying, recording or utilization of the b... | 07/01/2008 |
| 7383564 | Video on demand methods and systems An entertainment head-end provides broadcast programming, video-on-demand services, and HTML-based interactive programming through a distribution network to client terminals in subscribers' homes. A number of different features are provided, including novel user int... | 06/03/2008 |
| 7373653 | Channel merging method for VOD system A channel merging method for a VOD system, said method comprises the steps of: in response to requests from a plurality of clients for a video program, establishing a root channel (S1) and at least one sub-channel (S11), said root channel (S1) b... | 05/13/2008 |
| 7363646 | Video on demand methods and systems An entertainment head-end provides broadcast programming, video-on-demand services, and HTML-based interactive programming through a distribution network to client terminals in subscribers' homes. A number of different features are provided, including novel user int... | 04/22/2008 |
| 7362705 | Dynamic load-based credit distribution Methods and systems for dynamically adjusting credits used to distribute available bus bandwidth among multiple virtual channels, based on the workload of each virtual channel, are provided. Accordingly, for some embodiments, virtual channels with higher workloads r... | 04/22/2008 |
| 7363096 | Digital audio signal filtering mechanism and method Essentially all of the processing parameters which control processing of a source audio signal to produce an encoded audio signal are stored in an audio processing profile. Multiple audio processing profiles are stored in a processing profile database such that spec... | 04/22/2008 |
