Pexip As

Håvard Graff

Tulio Beloqui

Knut Inge Hvidsten

Eoin Stuart McLeod

Gregory Adams

Nicolas Cormier

John Robert Bassett

Nicolas Jean Michel Cormier

A system and method for determining congestion of a communication link transmitting a media stream over the communication link from a sender device to a receiving device.

Method, system and computer program product for determining congestion of a communication link transmitting a media stream over the communication link

A real time audio multi-point videoconferencing system comprising at least two videoconferencing endpoints in communication with a multipoint control unit, and a method of providing the real time audio. The method comprising capturing input lossless digital audio streams on each of the at least two videoconferencing endpoints, transmitting the input lossless digital audio streams from each of the at least two videoconferencing endpoints to the MCU using a frame size in the range 0.25 ms-3 ms, mixing, using the MCU, the input lossless digital audio streams into a plurality of output lossless digital audio streams, transmitting a different one of the plurality of output lossless digital audio streams to each of the at least two videoconferencing endpoints using a frame size in the range 0.25 ms-3 ms, and playback the plurality of output lossless digital audio streams on each of the at least two videoconferencing endpoints.

Method and system for real time audio in multi-point video conferencing

A system and method of downspeeding a media stream transmitted over a communication link from a sender device to a receiving device.

Method, system and computer program product for initiating downspeeding in a videoconferencing session

A system, method and computer program of upspeeding a media stream transmitted over a communication link from a sender device to a receiving device.

Method, system and computer program product for upspeeding in a videoconferencing session

The present invention relates to an image processing device and a method of framing changes and movements in a video image divided into N&#xd7;N blocks of pixel positions. The method comprises calculating a first bitmap of the video image by a DCT transform on each of the N&#xd7;N blocks of pixel positions, assigning a first binary value to the pixel positions of the N&#xd7;N blocks when more than an amount of change, and a second binary value to the pixel positions of the N&#xd7;N blocks when less than an amount of change. Calculating a third bitmap by an OR operation between a number of bitmaps representing past time frames of the video image, calculating a fourth bitmap by performing a dilation process of the third bitmap representing the current time frame of the video image, and creating one or more frames identifying area of changes and movements in the video image based on detecting BLOBs (Binary Large Objects) in the fourth bitmaps.

Method, computer program and system for detecting changes and moving objects in a video view

A control unit and a method for a video conferencing system, the method performed by a control unit in a video conferencing system during an ongoing video conference, comprising a plurality of endpoints, comprising receiving at least one input media stream from at least one endpoint, detecting a first pointer event in the at least one input media stream, providing a first graphical item associated with the first pointer event, encoding the first graphical item in an output media stream, transmitting the output media stream to the at least one endpoint, detecting a second pointer event in the at least one input media stream from the at least one endpoint, and perform an action associated with the second pointer event, where one of a group consisting of a first and second pointer event includes one of a group consisting of a light signal, a gesture, and a sound signal.

Visual control of a video conference

Load balancing in a multimedia conference is disclosed, involving one or more internal terminals and one or more internal nodes separated from one or more external terminals and one or more external nodes by a firewall. Media data is forwarded through the firewall to at least a second one of the nodes, and received media data at the at least a second one of said nodes are processed. At a first event, reconfiguration is performed of said first one of said nodes to process received media data and of said second one of said nodes to forward received media data to said first one of said nodes. At a second event, loading is done of at least a part of said received media data being processed at the first one or second one of said nodes to at least a third one of said nodes.

Growing community of inventors

Oslo, Norway

Håvard Graff