Polycom Patent Grants

Speakerphone

Granted: July 14, 2020
Patent Number: RE48092

Seamless transition of a video session between a mesh topology and a centralized bridge topology

Granted: June 16, 2020
Patent Number: 10686873
A technique is disclosed for making transitions between mesh and bridge topology seamless to the end user of the video session, without a significant gap between the audio and video experience of the video session when the transition occurs. In addition, a function provides a way for determining whether a trigger event for such a transition has occurred.

Internet connection load balancing with direct access to balanced devices

Granted: June 16, 2020
Patent Number: 10686845
SIP INVITE messages received at a load balancer are returned as SIP Redirect messages which are addressed to an access director and include additional information, such as a tracing token and a cryptographic token. When the access director receives the redirected SIP INVITE, the access director analyzes the included cryptographic token and passes the SIP INVITE if the cryptographic token is correct. This provides the needed access control function to allow the access directors to be…

Direction dependent MCU/gateway

Granted: June 9, 2020
Patent Number: 10681309
A non-Skype multipoint control unit (MCU) is configured to operate differently for handling incoming streams from endpoints and outgoing streams from a Skype multipoint control unit. When passing incoming streams from non-Skype endpoints to a Skype conference, the non-Skype MCU acts as a gateway, passing the streams to Skype MCU as if they were coming from Skype endpoints. When receiving outgoing streams from Skype MCU, the non-Skype MCU acts as an MCU, transcoding, compositing, and…

Method and system for new layout experience in video communication

Granted: May 5, 2020
Patent Number: 10645342
A striped composed video image is disclosed, in which a main segment image is displayed with a strip of small strip segments. The strip of small strip segments is composed from a plurality of video images from a plurality of video streams. A user may pull video from the strip into the main segment. The strip of small strip segments may scrolled without affecting the main segment.

Method and design for optimum camera and display alignment of center of the room video conferencing systems

Granted: March 31, 2020
Patent Number: 10609330
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 dispatching received sessions between a plurality of instances of an application using the same IP port

Granted: March 31, 2020
Patent Number: 10609096
A logical module, referred as Load Balancer Module (LBM), is disclosed which listens to one of certain common predefined port number. These well-known ports for receiving communication video conference signaling and control protocols is thereafter load balanced and multi-plexed to a number of instances of protocol stack applications. By balancing the multi-media data stream across a multitude of application instances multiple multi-media data streams may be serviced and processed by a…

People detection method for auto-framing and tracking in a video conference

Granted: February 25, 2020
Patent Number: 10574899
A videoconference apparatus and method coordinates a stationary view obtained with a stationary camera to an adjustable view obtained with an adjustable camera. The stationary camera can be a web camera, while the adjustable camera can be a pan-tilt-zoom camera. As the stationary camera obtains video, participants are detected and localized by establishing a static perimeter around a participant in which no motion is detected. Thereafter, if no motion is detected in the perimeter, any…

Interactive conferencing system

Granted: February 18, 2020
Patent Number: 10564711
An interactive conferencing device enables conference participants to interact remotely through multiple multimedia channels based on the configured capabilities of participants. A system used by the conferencing device consists of a server and one or more client devices. On joining new interactive session, the attributes and capabilities of the participant are determined. Other participants are notified as to the attributes and capabilities of the new participant. The interaction…

Acoustic perimeter for reducing noise transmitted by a communication device in an open-plan environment

Granted: February 18, 2020
Patent Number: 10567875
The amount of far-field noise transmitted by a primary communication device in an open-plan office environment is reduced by defining an acoustic perimeter of reference microphones around the primary device. Reference microphones generate a reference audio input including far-field noise in the proximity of the primary device. The primary device generates a main audio input including the voice of the primary speaker as well as background noise. Reference audio input is compared to main…

Acoustic perimeter for reducing noise transmitted by a communication device in an open-plan environment

Granted: February 4, 2020
Patent Number: 10555080
The amount of far-field noise transmitted by a primary communication device in an open-plan office environment is reduced by defining an acoustic perimeter of reference microphones around the primary device. Reference microphones generate a reference audio input including far-field noise in the proximity of the primary device. The primary device generates a main audio input including the voice of the primary speaker as well as background noise. Reference audio input is compared to main…

Relaying multimedia conferencing utilizing software defined networking architecture

Granted: December 24, 2019
Patent Number: 10516704
Various embodiments for implementing a multimedia conference session utilizing a software defined networking (SDN) architecture are described. Various embodiments include a SDN media controller (SDNMC) that initially receives a request to establish a multimedia conferencing session between a plurality of endpoints. Based on the request, the SDNMC allocates at least one virtual media address for the multimedia conferencing session and creates a stream table based on the at least one…

Optimal view selection method in a video conference

Granted: November 26, 2019
Patent Number: 10491809
A system for ensuring that the best available view of a person's face is included in a video stream when the person's face is being captured by multiple cameras at multiple angles at a first endpoint. The system uses one or more microphone arrays to capture direct-reverberant ratio information corresponding to the views, and determines which view most closely matches a view of the person looking directly at the camera, thereby improving the experience for viewers at a second endpoint.

Interference-free audio pickup in a video conference

Granted: November 26, 2019
Patent Number: 10490202
A videoconference apparatus at a first location detects audio from a location and determines whether the sound should be included in an audio-video stream sent to a second location, or excluded as an interfering noise. Determining whether to include the audio involves using a face detector to see if there is a face at the source of the sound. If a face is present, the audio data from the location will be transmitted to the second location. If a face is not present, additional motion…

Mobile wearable video conferencing solution

Granted: November 19, 2019
Patent Number: 10484649
A wearable telecommunications device enabling a user to engage in teleconferencing activity from nontraditional locations, while allowing the user free use of his hands. The wearable telecommunications device houses a plurality of input and output devices removably attached to the body of the wearable device. The input and output devices generally include one or more cameras, motion sensors, at least one microphone, and at least one power source. The housing generally consists of…

Digital storyboards using multiple displays for content presentation and collaboration

Granted: November 12, 2019
Patent Number: 10474412
A digital storyboard system that uses multiple displays and related methods are disclosed. The systems and methods may be used to present graphical content such as slides of a slide shows or boards of a storyboard sequence simultaneously on multiple screens at each of a plurality of locations. One or more users of the system may, through their interface device, update or edit the content on any of the screens, resulting in real-time updates to those designated screens at all locations…

Method for providing seamless graphical user interface control for a complex system consisting of distributed hardware modules

Granted: November 5, 2019
Patent Number: 10467320
A controller has a basic GUI formed of HTML5 and Javascript including elements to control a system as a whole. The controller receives GUI HTML5 and Javascript from each connected hardware module, such as a camera, microphone, lighting controller and the like. The controller adds the received HTML5 and Javascript from each hardware module to the base code and sends the combined GUI to the user. Data is returned from the user to the controller and then forwarded to the proper hardware…

Pairing devices in conference using ultrasonic beacon and subsequent control thereof

Granted: October 29, 2019
Patent Number: 10462424
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 system for conducting video conferences of diverse participating devices

Granted: October 22, 2019
Patent Number: 10455196
A novel universal bridge (UB) can handle and conduct multimedia multipoint conferences between a plurality of MREs and LEPs without using an MRM, an MCU and a gateway. Further, a UB can be configured to allocate and release resources dynamically according to the current needs of each conferee and the session.

Audio feedback reduction utilizing adaptive filters and nonlinear processing

Granted: October 22, 2019
Patent Number: 10455326
Traditional audio feedback elimination systems may attempt to reduce the effect of the audio feedback by simply scaling down the audio volume of the signal frequencies that are prone to howling. Other traditional feedback elimination systems may also employ adaptive notch filtering to detect and “notch” the so-called “singing” or “howling” frequencies as they occur in real-time. Such devices may typically have several knobs and buttons needing tuning, for example: the number…