Replying to a spoken command
Granted: October 24, 2023
Patent Number:
11798544
A method includes, during a teleconference between a first audio input/output device and a second audio input/output device, receiving, at an analysis and response device, a signal indicating a spoken command, the spoken command associated with a command mode. The method further includes, in response to receiving the signal, generating, at the device, a reply message based on the spoken command, the reply message to be output to one or more devices selected based on the command mode. The…
Joint upper-body and face detection using multi-task cascaded convolutional networks
Granted: October 3, 2023
Patent Number:
11775834
A videoconferencing endpoint is described that uses a cascading sequence of convolutional neural networks to perform face detection and upper body detection of participants in a videoconference at the endpoint, where at least one member of the sequence of neural networks performs upper body detection, and where the final member of the sequence of neural networks performs face detection based on the results of the upper body detection. The models of the neural networks are trained on both…
Context based annotating in an electronic presentation system
Granted: November 29, 2022
Patent Number:
11513678
A presentation system capable of detecting one or more gestures and contacts on a touch sensitive display. The presentation system can displaying indicia of such contacts, such as when a user writes with a fingertip, and can remove or alter such indicia responsive to other gestures and contacts. The system can accurately distinguish between types of gestures detected, such as between a writing gesture and an erasing gesture, on both large and small touch sensitive displays, thereby…
Video conferencing codec unit
Granted: November 22, 2022
Patent Number:
D970458
Method and system for conducting video conferences of diverse participating devices
Granted: November 15, 2022
Patent Number:
11503250
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.
Multimedia composition in meeting spaces
Granted: November 15, 2022
Patent Number:
11503085
Functions and controls for multimedia sessions are shared amongst pluralities of electronic components, rather than run by a single control unit. A disaggregate multipoint control includes a plurality of electronic components which are, or can be, coupled over a network. The various components are configured to recognize the others and share functions and controls normally associated with a single endpoint device, in order to facilitate a multimedia session.
Speakerphone button
Granted: February 15, 2022
Patent Number:
D943544
Acoustic perimeter for reducing noise transmitted by a communication device in an open-plan environment
Granted: January 18, 2022
Patent Number:
11228834
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…
Adaptive volume control using speech loudness gesture
Granted: January 11, 2022
Patent Number:
11223716
A conferencing endpoint includes a loudspeaker component, a base microphone, and an adaptive volume control module which evaluates near-end audio conditions at a conferencing endpoint and automatically determines whether to change the audio volume at a near-end loudspeaker. The endpoint can, for example, detect that a person speaking into the base microphone has begun to speak more loudly to compensate for nearby background noise. The endpoint can automatically adjust the loudspeaker…
Natural language processing while sound sensor is muted
Granted: November 30, 2021
Patent Number:
11189275
A method includes generating first audio data based on sound detected by a sound sensor at a first time. The method further includes transmitting, via one or more communication interfaces, the first audio data to another device during a communication session based on a determination that the sound sensor is unmuted with respect to the communication session at the first time. The method further includes generating second audio data based on sound detected by the sound sensor at a second…
Collaboratively controlling display of information across multiple displays
Granted: November 16, 2021
Patent Number:
11178196
Systems and methods for collaboratively controlling the display of information across multiple displays is disclosed. A plurality of electronic devices linked to a plurality of co-located display devices are accessed. At least one of the plurality of electronic devices is a master electronic device. Different users can select and transfer content elements from the set displayed on the master display device to the remainder of display devices, such that the selected and transferred…
Pairing devices in conference using ultrasonic beacon and subsequent control thereof
Granted: October 19, 2021
Patent Number:
11153531
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…
Identifying a valid wake input
Granted: July 27, 2021
Patent Number:
11074912
A device includes one or more processor devices, an audio sensor, a speaker device, and one or more memory devices. The audio sensor is configured to generate an audio stream. The one or more memory devices store data including data identifying a wake phrase and instructions. The instructions are executable by the one or more processor devices to initiate, as a result of detecting the wake phrase in the audio stream and determining that the wake phrase is invalid, presentation via the…
Speakerphone
Granted: June 22, 2021
Patent Number:
D922977
Method and system for conducting video conferences of diverse participating devices
Granted: May 11, 2021
Patent Number:
11006075
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.
Highly temperature-resistant glass fiber and preparation method therefor
Granted: April 20, 2021
Patent Number:
10981824
A highly temperature-resistant glass fiber and a preparation method therefor. The glass fiber comprises 62-66 wt % of SiO2, 14-19 wt % of Al2O3, 15-20 wt % of CaO, 0-2 wt % of MgO, 0-3 wt % of Fe2O3, and 0-1.2 wt % of TiO2, the total content of Na2O and K2O is 0.1-0.8 wt %. By precisely controlling the mixture of the components, the glass fiber has good resistance to high temperature and formability, and significantly increases the high-temperature softening point. The glass fiber has a…
Dynamically adjusting common mode rejection ratio
Granted: March 23, 2021
Patent Number:
10958228
A circuit having a dynamically adjustable common mode rejection ratio. The circuit has a high common mode rejection ratio without the need for input transformers. The circuit's ability to adjust the circuit's common mode rejection ratio is enhanced by the circuit's high input impedance. The circuit includes first and second input terminals, and output terminals. A positive leg runs from the first input terminal to the first output terminal, the positive leg including a resistor, and a…
Reverse call forking
Granted: March 16, 2021
Patent Number:
10951669
A technique for merging conference session dialogs allows presenting content and media streams from a non-Skype endpoint to a Skype multipoint control unit (MCU), so that they present a single caller in a conference with both media and content. A signaling adapter intercepts session dialogs and merges or other modifies. When adding the non-Skype endpoint, requests from a content server are dropped while requests from the MCU handling non-Skype media streams are forwarded to the Skype…
Advanced audio feedback reduction utilizing adaptive filters and nonlinear processing
Granted: March 2, 2021
Patent Number:
10938992
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…
People detection method for auto-framing and tracking in a video conference
Granted: March 2, 2021
Patent Number:
10939045
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…
