Polycom Patent Grants

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…

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…

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…

Multimedia signal latency management by skipping

Granted: October 11, 2016
Patent Number: 9467491
A method or system for enabling client devices connected to a network to subscribe to a one or more multimedia signals available in a selection of bandwidths, based on an analysis of capabilities of the client, the quality of the connection, and the real-time changes in the ability of the client to process the signal.

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…

Automatic video layouts for multi-stream multi-site presence conferencing system

Granted: October 4, 2016
Patent Number: 9462227
A videoconference multipoint control unit (MCU) automatically generates display layouts for videoconference endpoints. Display layouts are generated based on attributes associated with video streams received from the endpoints and display configuration information of the endpoints. An endpoint can include one or more attributes in each outgoing stream. Attributes can be assigned based on video streams' role, content, camera source, etc. Display layouts can be regenerated if one or more…

Method and system for synchronizing audio and video streams in media relay conferencing

Granted: August 23, 2016
Patent Number: 9426423
A novel technique allows synchronizing a plurality of audio and video streams received at a receiving media relay endpoint via an intermediate node, such as a media relay multipoint control unit. The received streams were generated by a plurality of transmitting media relay endpoints and been relayed to the plurality of receiving media relay endpoints via the intermediate node, but are seen as being using a single time domain, in terms of wall clock and manipulated timestamps, while…

Retractable camera device

Granted: August 2, 2016
Patent Number: 9405173
A retractable camera device is described which removes a camera from view when not in use. The device may include a tube having two ends, an interior void and an outer surface, a ballscrew shaft positioned within the interior void of the tube, a camera mast assembly movably coupled to the tube and engaging the ballscrew shaft, a camera, having a 360° viewing angle, coupled to an end of the camera mast, and at least one ribbon cable folded in an accordion pattern and encircling the outer…

Videoconferencing endpoint having multiple voice-tracking cameras

Granted: July 12, 2016
Patent Number: 9392221
A videoconferencing apparatus automatically tracks speakers in a room and dynamically switches between a controlled, people-view camera and a fixed, room-view camera. When no one is speaking, the apparatus shows the room view to the far-end. When there is a dominant speaker in the room, the apparatus directs the people-view camera at the dominant speaker and switches from the room-view camera to the people-view camera. When there is a new speaker in the room, the apparatus switches to…

Method and system for providing a virtual cafeteria

Granted: July 12, 2016
Patent Number: 9392225
An incidental virtual meeting (IVM) system deployed in multiple rooms can be used to provide a “virtual cafeteria” allowing for incidental meetings and video conferences. Wall endpoints in each room may detect the presence of a person in a proximity to the IVM (wall) endpoint and establish a connection to the associated wall endpoint in the other room, to allow unplanned meetings to occur. A room may have multiple wall endpoints, allowing the room to be connected to more than one…