Motion estimation
Granted: April 18, 2017
Patent Number:
9628793
A technique of motion estimation in video compression is described, the technique including: determining, in one or more reference frames of a video picture, the best full-pixel motion vector F for a block in a current frame of the video picture, wherein m and n are signed numbers and integer multiples of the distance between two adjacent full-pixels; selecting the best half-pixel motion vector candidates from a set of half-pixel motion vectors based on the best full-pixel motion vector;…
Automated layouts optimized for multi-screen and multi-camera videoconferencing calls
Granted: March 21, 2017
Patent Number:
9602771
A videoconferencing device that determines a spatial arrangement of the video streams output at a first endpoint based on a number of display devices being utilized at the first endpoint and a number of cameras being utilized at each of the one or more additional endpoints.
System and method for a hybrid topology media conferencing system
Granted: March 14, 2017
Patent Number:
9596433
Examples hybrid topologies of a conferencing system are disclosed. An example of a hybrid topology may comprise a plurality of endpoints and a central entity. Each of said plurality of endpoints may provide its primary video stream and audio stream to said centralized entity. The centralized entity provides the primary speaker stream and the mixed audio stream to each of said plurality of endpoint participants. In addition, some of plurality of endpoint establishes low bandwidth/low…
Configurable audio transmitter circuitry
Granted: March 7, 2017
Patent Number:
9590694
Audio transmitter circuitry is disclosed that is configurable into different modes by the user, and can output either a differential or single-ended audio signal on two signal wires. Depending on the mode, the transmitter deals with noise on the signal wires by adjusting the input resistance that such noise sees looking into the transmitter. If the transmitter is configured in a differential mode, the input resistance looking back into the transmitter from the perspective of the noise on…
Videoconferencing system using QR codes for interaction
Granted: January 31, 2017
Patent Number:
9560317
Quick Response barcodes (“QR Codes”) are used for videoconferencing between a peripheral device and a videoconferencing system, which can include a conferencing server and/or a videoconferencing unit. Conferencing related QR codes are embedded within video frames and are identified by either a peripheral device or a videoconferencing unit. Once identified, the device or unit acts according to the information provided by the QR code. The QR codes enables the peripheral device,…
Low dielectric constant glass fiber
Granted: January 31, 2017
Patent Number:
9556060
A low dielectric constant glass fiber, in mass percentage, includes 50%˜60% of SiO2, 10%˜20% of Al2O3, 12%˜20% of B2O3, 0˜4% of CaO, 4%˜10% of MgO, 0.1%˜0.5% of Na2O+K2O, 0˜0.5% of Li2O, 0.2%˜3% of F2 and 0˜0.2% of Fe2O3. Compared with the related art, the glass composition contains higher content of SiO2, which can greatly reduce dielectric properties of the glass fiber. Meanwhile, a small amount of F2 is added thereto, which not only can effectively improve the fiberizing…
Pairing devices in conference using ultrasonic beacon and subsequent control thereof
Granted: January 10, 2017
Patent Number:
9544541
A videoconferencing system has a videoconferencing unit that use portable devices as peripherals for the system. The portable devices obtain near-end audio and send the audio to the videoconferencing unit via a wireless connection. In turn, the videoconferencing unit sends the near-end audio from the loudest portable device along with near-end video to the far-end. The portable devices can control the videoconferencing unit and can initially establish the videoconference by connecting…
System and method for localizing a talker using audio and video information
Granted: January 10, 2017
Patent Number:
9542603
A videoconferencing endpoint includes at least one processor a number of microphones and at least one camera. The endpoint can receive audio information and visual motion information during a teleconferencing session. The audio information includes one or more angles with respect to the microphone from a location of a teleconferencing session. The audio information is evaluated automatically to determine at least one candidate angle corresponding to a possible location of an active…
Pairing devices in conference using ultrasonic beacon and subsequent content sharing
Granted: January 3, 2017
Patent Number:
9538135
A videoconferencing system has a videoconferencing unit that use portable devices as peripherals for the system. The portable devices obtain near-end audio and send the audio to the videoconferencing unit via a wireless connection. In turn, the videoconferencing unit sends the near-end audio from the loudest portable device along with near-end video to the far-end. The portable devices can control the videoconferencing unit and can initially establish the videoconference by connecting…
Pairing devices in conference using ultrasonic beacon and subsequent connection transfer
Granted: January 3, 2017
Patent Number:
9538136
A videoconferencing system has a videoconferencing unit that use portable devices as peripherals for the system. The portable devices obtain near-end audio and send the audio to the videoconferencing unit via a wireless connection. In turn, the videoconferencing unit sends the near-end audio from the loudest portable device along with near-end video to the far-end. The portable devices can control the videoconferencing unit and can initially establish the videoconference by connecting…
Method and design for optimum camera and display alignment of center of the room video conferencing systems
Granted: December 27, 2016
Patent Number:
9531996
Systems for videoconferencing are designed for where people are seated around a video conferencing system. The systems include a camera so the far site can see the local participants and the systems include displays that show the far site. The displays are properly aligned with the cameras so that when people at the far site view the displayed images of the near site, it looks like they have eye contact with the near site. Obtaining the alignments of the camera and the displays to…
Multimedia communication control unit as a secure device for multimedia communication between LAN users and other network users
Granted: December 27, 2016
Patent Number:
9531776
A system and method for providing multimedia communication between a firewall protected, LAN based endpoint and an endpoint that is external to the LAN. A logical port of a multimedia communications control unit is attached to the LAN behind the firewall. Another logical port of the multimedia communications control unit is attached to the external endpoint. Multimedia communication data, consisting of call management data and media data, can be exchanged between the endpoints via the…
Method and system for improving establishing of a multimedia session
Granted: December 20, 2016
Patent Number:
9525651
Multimedia communication systems and methods are disclosed. An exemplary system comprises a server adapted to communicate with two or more multimedia endpoints; and a MCU adapted to communicate with the at least one server and the multimedia endpoints, wherein the server contains a module for instructing the multimedia endpoints to call a dial number for the MCU to establish a multimedia conference in response to a requested list of multimedia endpoints received from one of the…
Adapting a continuous presence layout to a discussion situation
Granted: December 6, 2016
Patent Number:
9516272
A system and method is disclosed for adapting a continuous presence videoconferencing layout according to interactions between conferees. Using regions of interest found in video images, the arrangement of images of conferees may be dynamically arranged as displayed by endpoints. Arrangements may be responsive to various metrics, including the position of conferees in a room and dominant conferees in the videoconference. Video images may be manipulated as part of the arrangement,…
Immersive telepresence anywhere
Granted: November 22, 2016
Patent Number:
9503689
A conferencing peripheral for use with a mobile device or laptop or desktop computer can include one or more projectors, cameras, microphones, and speakers. Such a device can work with the mobile device to provide a higher quality conferencing experience than has been provided to date by projecting a substantially full size, high resolution, image of conference participants onto a screen or wall and by providing microphones, speakers, and sufficient audio processing to provide high…
Seamless escalation of mesh videoconferences to bridged videoconferences
Granted: November 8, 2016
Patent Number:
9491406
Techniques allow seamless transitioning of a mesh-based videoconference to a bridged videoconference. Criteria are defined for use in a triggering point function that may be evaluated to determine whether to make the transition. Escalation logic in an escalation manager may be used to manage the transition, allowing some participants to connect via a multipoint control unit, which is in turn a participant in the mesh-based videoconference, with the escalation manager relaying media…
Compensating for different audio clocks between devices using ultrasonic beacon
Granted: November 8, 2016
Patent Number:
9491404
A videoconferencing system has a videoconferencing unit that use portable devices as peripherals for the system. The portable devices obtain near-end audio and send the audio to the videoconferencing unit via a wireless connection. In turn, the videoconferencing unit sends the near-end audio from the loudest portable device along with near-end video to the far-end. The portable devices can control the videoconferencing unit and can initially establish the videoconference by connecting…
Speech fragment detection for management of interaction in a remote conference
Granted: October 25, 2016
Patent Number:
9478233
A conferencing system and method involves conducting a conference between endpoints. The conference can be a videoconference in which audio data and video data are exchanged or can be an audio-only conference. Audio of the conference is obtained from one of the endpoints, and speech is detected in the obtained audio. The detected speech is analyzed to determine that the detected speech constitutes a speech fragment, and an indicia indicative of the determined speech fragment is…
Automatic positioning of videoconference camera to presenter at presentation device
Granted: October 18, 2016
Patent Number:
9473740
In a system and method of conducting a videoconference, a videoconferencing unit detects an activation related to a presentation device at a near-end of the videoconference. The unit stores a current orientation of at least one camera and directs the at least one camera at the presentation device. At this point, the unit begins outputting to a far-end at least one of (i) video captured of the presentation device with the at least one directed camera and (ii) content displayed with the…
Dynamic adaption of a continuous presence videoconferencing layout based on video content
Granted: October 11, 2016
Patent Number:
9467657
Dynamically adapting a continuous presence (CP) layout in a videoconference enhances a videoconferencing experience by providing optimum visibility to regions of interest within the CP layout and ignoring regions of no interest. Based on the CP layout, a CP video image can be built, in which a conferee at a receiving endpoint can observe, simultaneously, several other participants' sites in the conference. For example, more screen space within the CP layout is devoted to presenting the…
