Polycom Patent Grants

Videoconferencing unit

Granted: June 6, 2017
Patent Number: D788725

System for enabling communications and conferencing between dissimilar computing devices including mobile computing devices

Granted: May 23, 2017
Patent Number: 9661269
In one general embodiment, a system for enabling communications and conferencing between dissimilar computing devices including mobile computing devices. In another embodiment a method for enabling communications and conferencing between dissimilar computing devices including mobile computing devices. In a further embodiment, a non-transitory computer-readable medium comprising instructions to cause one or more processors to enable communications and conferencing between dissimilar…

Lossy channel video blur avoidance

Granted: May 23, 2017
Patent Number: 9661325
Blurriness in a video image transmitted over a lossy network can be reduced by filtering the decoder output to determine whether updating of the reference frame based on the current video data is indicated. An update may be appropriate if the decoder output is sharper than the contents of the display buffer after the last update. Additionally, an update may be appropriate if there was a significant change to the underlying image, and thus to the encoder's input. Whether such a change has…

Video error concealment method

Granted: May 23, 2017
Patent Number: 9661376
Disclosed herein is a system and method for reconstruction video information lost as a result of transmission errors. The system and method have four aspects, including: (1) changing the bit and/or packet rate; (2) inserting redundant information into the video bitstream; (3) providing automatic refresh of certain regions of the video on a periodic basis; and (4) interleaving coded macroblocks into diversity groups for transmission to spatially spread the effect of lost packets. The…

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…

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…

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,…

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 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…

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…

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 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…

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…

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…