Patents Assigned to Dialogic Corporation
  • Patent number: 9609040
    Abstract: Systems and methods of dynamically adapting multimedia data transmit rates of data senders to available bandwidths of data receivers, in which the available bandwidths are estimated by the data senders using at least reception quality feedback information provided in real-time transport control protocol (RTCP) report packets. The data senders can obtain several bandwidth estimation parameters, such as a packet loss ratio and a round trip delay, from the reception quality feedback information, as well as multimedia data transmit rates from the data senders to the data receivers, and obtain estimates of the available bandwidths of the data receivers using at least the bandwidth estimation parameters and multimedia data transmit rates. Further, using the estimated available bandwidth, the data senders can dynamically adapt the multimedia data transmit rates to the available bandwidths for more reliably achieving the quality of experience (QoE) desired and/or required for multimedia data transmissions.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: March 28, 2017
    Assignee: Dialogic Corporation
    Inventors: Myo Tun, Kyeong Ho Yang
  • Patent number: 9609276
    Abstract: Systems and methods of video conferencing, in which existing video encoders associated with a multipoint control unit (MCU) can be shared among conference participant devices, depending upon the availability of processor and/or memory resources for the MCU. In making decisions regarding the sharing of video encoders, the systems and methods take into account various parameters associated with potential conference participant devices and the total cost of the processor/memory resources for the MCU, to determine whether a video encoder of the MCU can be shared with, or allocated to, the respective conference participant devices. By determining whether to share or allocate a video encoder of the MCU, depending upon the available processor/memory resources for the MCU, the MCU can be made to operate with increased stability. The systems and methods can be applied to any application that sends the same content to multiple receivers, including announcement and video streaming applications.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: March 28, 2017
    Assignee: Dialogic Corporation
    Inventors: Kyeong Ho Yang, Lawrence Kolakowski
  • Patent number: 9578342
    Abstract: Systems and methods of performing rate control in scalable video encoders that can be used to provide videoconferencing, announcements, and live video streaming to multiple participant devices having diverse bandwidths, resolutions, and/or other device characteristics. The systems and methods can accommodate different target bit rates of the multiple participant devices by operating on scalable video bitstreams in a multi-layer video format, including a base layer having one or more reference video frames, and an enhancement layer having one or more disposable non-reference, predictive video frames.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: February 21, 2017
    Assignee: Dialogic Corporation
    Inventors: Kyeong Ho Yang, Sangseok Park
  • Patent number: 9386501
    Abstract: A facility for customizable routing in a modularized routing environment is provided, where the complexities of routing functionality are not exposed to an application program. An identifier associated with a routing policy of an application program is used to configure a route table and to obtain routing instructions from the route table that are associated with the identifier. Routing is performed according to a message routing protocol, such as the Diameter protocol, for example. An interface between the facility and the application program may be implemented with an API that provides a relatively simple interface.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: July 5, 2016
    Assignee: Dialogic Corporation
    Inventor: Howard J. May
  • Patent number: 9354864
    Abstract: The disclosed system and method provides a software package header that includes a copy of a firmware file header for a firmware file constituent of the software package. The package header is provided to a network service device such as a gateway as an initial portion of a software package to perform a firmware installation. The package header content is used to validate firmware files expected to be received and installed by the network service device. The package header structure permits all firmware files to be validated prior to the installation of any of the firmware files, while avoiding the use of additional network service device resources.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: May 31, 2016
    Assignee: Dialogic Corporation
    Inventor: Brian Kamrowski
  • Patent number: 9313291
    Abstract: A communication channel in a network maintains client-server transparency while providing reduced bandwidth in the channel. A first and second node can communicate a compressed form of the object data between themselves in the channel. One of the first or second nodes hosts a cache database that can store, transparently to the client, the requested object data. The stored object data can be used to decompress the compressed object data communicated between the first and second node. One of the nodes can provide control signals to the other node to indicate whether the requested object data is stored in the cache database. This configuration preserves transparency between the client and the server while permitting reduced bandwidth usage between the first and second nodes via the compressed object data.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 12, 2016
    Assignee: Dialogic Corporation
    Inventors: Benny Lavi, Tal Inbar, Ehud Bart, Oded Katz
  • Patent number: 9210381
    Abstract: Systems and methods of video conferencing, in which existing video encoders associated with a multipoint control unit (MCU) can be shared among conference participant devices, depending upon the availability of processor and/or memory resources for the MCU. In making decisions regarding the sharing of video encoders, the systems and methods take into account various parameters associated with potential conference participant devices and the total cost of the processor/memory resources for the MCU, to determine whether a video encoder of the MCU can be shared with, or allocated to, the respective conference participant devices. By determining whether to share or allocate a video encoder of the MCU, depending upon the available processor/memory resources for the MCU, the MCU can be made to operate with increased stability. The systems and methods can be applied to any application that sends the same content to multiple receivers, including announcement and video streaming applications.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: December 8, 2015
    Assignee: Dialogic Corporation
    Inventors: Kyeong Ho Yang, Myo Tun, Lawrence Kolakowski
  • Patent number: 9137898
    Abstract: A press fit passive component, such as a resistor or capacitor, adapted to fit within, or partially within, a via of a printed circuit board. In one example, the press fit passive component has a cylindrically shaped body with solderable terminals at either end of the body, and a dielectric collar disposed at least partially about the cylindrically shaped body. The component is placed in the via and soldered in order to provide a mechanical and electrical connection to the printed circuit board.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 15, 2015
    Assignee: Dialogic Corporation
    Inventor: Gary D. Frasco
  • Patent number: 9094685
    Abstract: Systems and methods of transcoding video bitstreams that employ highly efficient look-ahead approaches to video transcoding. The systems and methods perform video transcoding in the pixel domain to make successive adjustments to estimates of the coding complexity of video frames in input video bitstreams. The systems and methods can employ the adjusted estimates of the coding complexity in a rate control function to provide improved bit allocations for the video frames in transcoded output video bitstreams, thereby enhancing overall perceptual quality.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: July 28, 2015
    Assignee: Dialogic Corporation
    Inventors: Kyeong H. Yang, Beibei Wang
  • Patent number: 9055179
    Abstract: Systems and methods of measuring a temporal offset between audio content and video content that employ audio fingerprints from an audio signal in the audio content, and video fingerprints from video frames in the video content. The systems obtain reference audio and video fingerprints prior to transmission of video over a media channel, and obtain target audio and video fingerprints subsequent to transmission of the video over the media channel. Each fingerprint has an associated time stamp. Using the reference and target audio fingerprints and their associated time stamps, the systems determine an audio time stamp offset. Using the reference and target video fingerprints and their associated time stamps, the systems determine a video time stamp offset. Using the audio and video time stamp offsets, the systems determine a temporal offset between the video content and the audio content introduced by the media channel.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: June 9, 2015
    Assignee: Dialogic Corporation
    Inventors: Jeffrey A. Bloom, Dekun Zou, Ran Ding
  • Patent number: 9049478
    Abstract: The disclosed system and method provide a facility for a dynamic media overlay. An end user can provide data for the dynamic media overlay that is activated upon selection to permit end users to share information while receiving or sending video data. The overlay may be in the form of a link, such as a hyperlink, that can be selected by an end user to take action indicated by information provided in the link. The link may be represented by audio or image information in the form of instructions or clickable “targets.” A content of information represented by the link can be dynamic, so that selection of the link can result in different actions, depending upon the informational content of the link. One or more flags may be provided to indicate that a new link or new informational content for a link is requested. The link may be provided in an overlay represented as a media layer provided in addition to the video media, or it may be embedded in the video media itself.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: June 2, 2015
    Assignee: Dialogic Corporation
    Inventor: Mark A. Schneider
  • Patent number: 8902973
    Abstract: Systems and methods of video transcoding that employ perceptual processing techniques for enhancing the perceptual quality of transcoded video information, communications, entertainment, and other video content. Such systems and methods of video transcoding are operative to perform perceptual processing of an input video bitstream using predetermined information carried by the input bitstream. Having performed such perceptual processing of the input bitstream, the perceptual quality of transcoded video delivered to an end user is significantly improved.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: December 2, 2014
    Assignee: Dialogic Corporation
    Inventors: Kyeong H. Yang, Sangseok Park
  • Patent number: 8896875
    Abstract: Systems and methods are provided for real-time communication (e.g., fax, voice, video) via an IP Network even if a firewall or other restriction element is present or encountered. The real-time nature of the communication is ensured by preestablishing a communication session between a transfer client and a transfer server, between which the firewall or other restriction element is located. Following the preestablishment of the communication session, transmission control messages are exchanged between the transfer server and the transfer client via the preestablished communication session. The preestablished communication session prevents the firewall or other restriction element from blocking or delaying traffic (e.g., fax, voice, video traffic). The preestablished communication session establishes a full duplex communication link without restriction of or by the firewall or other communication restriction element.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: November 25, 2014
    Assignee: Dialogic Corporation
    Inventors: John George Shaheen, Maciej Wasiel, Robert John Moran
  • Patent number: 8891138
    Abstract: Timers involved in facsimile transmissions under the T.30 specification are permitted to adapt to a given situation to improve the chances for successful facsimile transmission over high latency communication networks. The specified T1 through T5 timers for facsimile transmission may be modified in value based on call control related parameters or facsimile transport related parameters. The timers may be set to have a particular range, with a nominal base value and a maximum value, which may exceed the T.30 timer specification. The adaptive timers can be modified based on a number of different criteria related to facsimile transmissions to avoid overlapping command-response situations and stalemates that may result from communications in relatively highly latency networks. The timers may also be adapted to minimize or optimize call length while achieving successful facsimile transmissions.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: November 18, 2014
    Assignee: Dialogic Corporation
    Inventors: Allan Ashmore, John George Shaheen, III
  • Patent number: 8885708
    Abstract: Systems and methods of developing and/or implementing multimedia applications. The system provides an extensible framework including an application layer, a framework utility layer, and a core engine layer. The framework utility layer includes an application programming interface, a video codec sub-framework (XCF), a video packetization sub-framework (XPF), and a video/text overlay sub-framework (XOF). The core engine layer includes one or more core codec engines and one or more core rendering engines. The XCF, XPF, and XOF sub-frameworks are effectively decoupled from the multimedia applications executing on the application layer, and the core codec and rendering engines of the core engine layer, allowing the XCF, XPF, and XOF sub-frameworks and core codec/rendering engines to be independently extensible. The system also fosters enhanced reuse of existing multimedia applications across a plurality of multimedia systems.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: November 11, 2014
    Assignee: Dialogic Corporation
    Inventors: John R. Hayden, Robert D. Kirnum, Joseph A. Fisher, Brian M. Nixon, Arun V. Eledath, Ranjan Singh
  • Patent number: 8875032
    Abstract: An object is implemented to represent a visual element in a user interface while being linked to data associated with the visual element. A user can manipulate the visual element through the user interface to modify the object or how the object is processed. The data associated with the visual element tracks with the modifications to the visual element and/or object to permit the data to conceptually move with the visual element. The object may be implemented using a document object model in a web browser. The object may be assigned to a user interface component that may treat the object differently in dependence upon the user manipulations. The visual element may be formed using HTML and the user manipulations may be implemented using a script.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: October 28, 2014
    Assignee: Dialogic Corporation
    Inventors: Ronald D. Olsen, Brian Kamrowski
  • Patent number: 8804820
    Abstract: Systems and methods of transcoding video bitstreams that employ look-ahead approaches to enhance the overall perceptual quality of transcoded video information, communications, and entertainment delivered to an end user. The disclosed systems and methods of transcoding video bitstreams take into account the scene characteristics and the local coding complexity of video frames in a video sequence before performing bit allocations for the video frames, thereby significantly improving the perceptual quality of transcoded video delivered to the end user.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: August 12, 2014
    Assignee: Dialogic Corporation
    Inventors: Kyeong H. Yang, Ran Ding
  • Patent number: 8780386
    Abstract: Systems and methods are provided for real-time communication (e.g., fax, voice, video) via an IP Network even if a firewall or other restriction element is present or encountered. The real-time nature of the communication is ensured by preestablishing a communication session between a transfer client and a transfer server, between which the firewall or other restriction element is located. Following the preestablishment of the communication session, transmission control messages are exchanged between the transfer server and the transfer client via the preestablished communication session. The preestablished communication session prevents the firewall or other restriction element from blocking or delaying traffic (e.g., fax, voice, video traffic). The preestablished communication session establishes a full duplex communication link without restriction of or by the firewall or other communication restriction element.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: July 15, 2014
    Assignee: Dialogic Corporation
    Inventors: John George Shaheen, Maciej Wasiel, Robert John Moran
  • Patent number: 8717499
    Abstract: Systems and methods of measuring a temporal offset between audio content and video content that employ audio fingerprints from an audio signal in the audio content, and video fingerprints from video frames in the video content. The systems obtain reference audio and video fingerprints prior to transmission of video over a media channel, and obtain target audio and video fingerprints subsequent to transmission of the video over the media channel. Each fingerprint has an associated time stamp. Using the reference and target audio fingerprints and their associated time stamps, the systems determine an audio time stamp offset. Using the reference and target video fingerprints and their associated time stamps, the systems determine a video time stamp offset. Using the audio and video time stamp offsets, the systems determine a temporal offset between the video content and the audio content introduced by the media channel.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: May 6, 2014
    Assignee: Dialogic Corporation
    Inventors: Jeffrey A. Bloom, Dekun Zou, Ran Ding
  • Publication number: 20140120865
    Abstract: A facility for customizable routing in a modularized routing environment is provided, where the complexities of routing functionality are not exposed to an application program. An identifier associated with a routing policy of an application program is used to configure a route table and to obtain routing instructions from the route table that are associated with the identifier. Routing is performed according to a message routing protocol, such as the Diameter protocol, for example. An interface between the facility and the application program may be implemented with an API that provides a relatively simple interface.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 1, 2014
    Applicant: Dialogic Corporation
    Inventor: Howard J. May