Abstract: This disclosure describes a conferencing system with spatial rendering of audio data. The conferencing system includes a local conferencing device that includes a plurality of microphones, an audio encoder, and a spatial encoder that are associated with a local endpoint. The conferencing system further includes a remote conferencing device that includes a plurality of speakers, an audio decoder, and a spatial renderer that are associated with the remote endpoint. The spatial renderer is configured to superimpose a coordinate system for the plurality of speakers and a coordinate system for the plurality of microphones during spatial rendering of the audio data.

Abstract: This disclosure describes a beamforming microphone array integrated into a wall or ceiling tile as a single unit where the beamforming microphone array picks up audio input signals. The beamforming microphone array includes a plurality of microphones that picks up audio input signals. In addition, the wall or ceiling tile includes an outer surface on the front side of the tile where the outer surface is acoustically transparent. The beamforming microphone array is coupled to the tile as a single unit and is integrated into the back side of the tile. Additionally the beamforming microphone array picks up the audio input signals through the outer surface of the tile.

Abstract: This disclosure describes a computer-implemented method for a control mechanism for video output. Additionally provided is a video stream that is generated from the video source and encoded by the video encoder, where the video stream further comprises one or more video frames with each video frame including a time stamp that includes timing and clocking information. Additionally provided is a video display apparatus that includes a video display apparatus processor, video display apparatus memory, video decoder, and a video frame buffer, where the video decoder decodes the encoded video stream, and the video display apparatus generates a pixel clock. Additionally provided is a desired latency threshold for displaying a first video frame with respect to a second video frame that includes an upper threshold limit and a lower threshold limit. The disclosed method includes the following steps that control jitter in the displayed video stream.

Abstract: This disclosure describes a virtual multipoint control unit in communication with one or more unified communication (UC) applications on one or more host devices over a network that allows ad hoc UC conferences between UC applications from different vendors. The virtual multipoint control unit includes a host device coupled to a network. In addition, the unit includes one or more unified communication (UC) applications being executed in software instructions. The virtual multipoint control unit virtualizes the physical audio devices to be shared simultaneously between multiple UC applications and allows ad hoc UC conferences between said UC applications from the same and or different UC vendors.

Abstract: This disclosure describes a system that implements a multi-channel command and data processing device for multichannel data processing and transmission systems that are designed to connect to different types of data sources and sinks and describes a device configured to implement a novel endpoint parameter management architecture for generic devices. The system uses a multi-channel command and data processing device with one or more inputs and one or more outputs, with a processor and a memory, in communication with a data storage that manages endpoint parameters of one or more input devices and one or more output devices. The system further includes a data terminal and a plurality of endpoints.

Abstract: The present disclosure provides a method for adding realism to synthetic speech. The method includes receiving text (218) that is to be converted into synthetic speech from a mobile device (108). The text (218) may include embedded emoticons indicating a first prosody information and a predefined sound stored in a stored data repository (208). The method also includes identifying a user associated with the text (218) based on a comparison between metadata associated with the text (218) and user profiles stored in the stored data repository (208); retrieving a speech font from a speech data corpus associated with the user stored in the stored data repository (208). The speech font includes a second prosody information and a predefined accent of the user. The method further includes converting the text (218) into synthetic speech based on the retrieved speech font, which is being modulated based on the emoticon.

Abstract: This disclosure describes a conferencing system with spatial rendering of audio data. The conferencing system includes a local conferencing device that includes a plurality of microphones, an audio encoder, and a spatial encoder that are associated with a local endpoint. The conferencing system further includes a remote conferencing device that includes a plurality of speakers, an audio decoder, and a spatial renderer that are associated with the remote endpoint. The spatial renderer is configured to superimpose a coordinate system for the plurality of speakers and a coordinate system for the plurality of microphones during spatial rendering of the audio data.

Abstract: This disclosure describes a system that implements a multi-channel command and data processing device for multichannel data processing and transmission systems that are designed to connect to different types of data sources and sinks and describes a device configured to implement a novel endpoint parameter management architecture for generic devices. The system uses a multi-channel command and data processing device with one or more inputs and one or more outputs, with a processor and a memory, in communication with a data storage that manages endpoint parameters of one or more input devices and one or more output devices. The system further includes a data terminal and a plurality of endpoints.

Abstract: This disclosure describes a beamforming microphone array integrated with a wall or ceiling tile that picks up audio input signals. The beamforming microphone array includes a plurality of microphones that picks up audio input signals. A wall or ceiling tile integrates with the beamforming microphone array.

Abstract: The present disclosure discloses a conferencing apparatus for a conference between a local end and a far end that combines a beamforming microphone array with an acoustic echo canceller. The apparatus includes a beamforming microphone array that further comprises a plurality of microphones wherein each microphone is configured to sense acoustic waves and the plurality of microphones are oriented to develop a corresponding plurality of microphone signals. The apparatus further includes a processor, memory, and storage where the processor is configured to execute program instructions. The processor performs a beamforming operation to create a plurality of combined signals. In addition, the processor performs an acoustic echo cancellation operation to generate a plurality of combined echo cancelled signals.

Abstract: This disclosure describes a conferencing apparatus with an automatically adapting beamforming microphone array for teleconferencing applications. The conferencing apparatus includes a processor coupled to memory, storage, and a housing. The apparatus further includes a communication element, a plurality of microphones arranged in the housing and configured as a beamforming microphone array, and an orientation sensor. Additionally, the apparatus includes executing a series of steps including: (a) adapting a signal-processing characteristic of the beamforming microphone array responsive to the orientation signal, (b) beamforming to combine the plurality of microphone signals to a plurality of combined signals, (c) performing an acoustic echo cancellation operation on the plurality of combined signals to generate a plurality of combined echo-canceled signals, and (d) selecting one or more of the plurality of combined echo-canceled signals for transmission.

Abstract: The present disclosure discloses a conferencing apparatus that combines a beamforming microphone array (BMA) with an acoustic echo canceller where the BMA further comprises a plurality of microphones that are oriented to develop a corresponding plurality of microphone signals. The apparatus further includes a processor, memory, and storage where the processor is configured to execute program instructions. The processor performs a beamforming operation to create a plurality of combined signals. In addition, the processor performs an acoustic echo cancellation operation to generate a plurality of combined echo cancelled signals. Further, the processor selects one of the combined echo cancelled signals for transmission to the far end where the signal selection module uses the far end signal as information to inhibit the signal selection module from changing the selection of the combined echo cancelled signals while only the far end signal is active.

Abstract: The present disclosure describes a system using an audio mixer for managing endpoint parameters of an input audio device and an output audio device. The system includes a data terminal, multiple endpoints, and the audio mixer, where the data terminal provides multiple data files including configuration parameters of endpoints. The endpoints include a first endpoint and a second endpoint. The audio mixer is configured to receive the data files from the data terminal, process the data files to obtain a first set of configuration parameters corresponding to the first endpoint and a second set of configuration parameters corresponding to the second endpoint, convert the first set and the second set of configuration parameters into a predefined common data format, and organize the predefined common data structure into a generic data structure.

Abstract: A multi end-point (EP) conferencing system, including a decentralized scalable network of End-Points that includes a source EP being configured to connect to a non-virtual target EP. The source EP being configured to transmit to the non-virtual target EP a conference list thereof, for distributing to non-virtual EPs and virtual EPs associated with the target EP. It is further configured to receive a conference list of the non-virtual target EP, integrate the received conference list with its conference list to obtain an integrated conference list and distribute the integrated conference list or parts thereof to virtual EPs and non-virtual EPs associated with the source EP. The source EP being further configured to receive a positive selection notification being indicative of a requesting EP from EPs associated with the source EP that would like to get data from the source EP.

Abstract: This disclosure describes a system and method that bridges communications between multiple unified communication (UC) clients. This disclosure provides a UC bridging tool configured to execute computer implemented instructions using the processor and memory. The processor is further configured to: receive UC client specific human interface device HID commands from a plurality of UC clients with a UC client driver module, wherein each UC client driver is configured to translate UC client specific human interface device (HID) commands for each UC client driver to a common format; receive HID commands in the common format and translate the HID commands from the common format into a device specific format with a UC audio assistant module; pass the HID commands in the device specific format to an output device with a device specific driver module that further comprises a set of device specific drivers.

Abstract: This disclosure describes a virtual multipoint control unit in communication with one or more unified communication (UC) applications on one or more host devices over a network that allows ad hoc UC conferences between UC applications from different vendors. The virtual multipoint control unit includes a host device coupled to a network. In addition, the unit includes one or more unified communication (UC) applications being executed in software instructions. The virtual multipoint control unit virtualizes the physical audio devices to be shared simultaneously between multiple UC applications and allows ad hoc UC conferences between said UC applications from the same and or different UC vendors.

Abstract: This disclosure describes a system for negotiating video camera and display capabilities in a video conferencing environment. The system includes a local camera; a local communication device; and a session negotiation device where the session negotiation device further comprises a processor, memory, and a storage.

Abstract: This disclosure describes a method to manufacture a conferencing apparatus for echo cancelation with beamforming microphone arrays. This method provides a beamforming microphone array for developing a plurality of microphone signals, where each microphone of the beamforming microphone array is configured to sense acoustic waves from a direction vector substantially different from other microphones in the beamforming microphone array. Additionally provided is a memory configured for storing computing instructions.

Abstract: This disclosure describes a band-limited beamforming microphone array made by augmenting a beamforming microphone array with non-beamforming microphones that includes: a plurality of first microphones configured as a beamforming microphone array to resolve first audio input signals within a first frequency range; one or more additional microphones configured to resolve second audio input signals within a restricted second frequency range; and an augmented beamforming module that includes a processor that executes software program steps to: receive the resolved first audio signals from the beamforming microphone array; receive the resolved and restricted second audio input signals; perform beamforming on the received and resolved first audio input signal; and combine the beamformed first audio input signal with the resolved and restricted second audio input signals to create an audio signal within a band-limited frequency range.

Abstract: The present disclosure discloses a conferencing apparatus that combines a beamforming microphone array (BMA) with an acoustic echo canceller where the BMA further comprises a plurality of microphones that are oriented to develop a corresponding plurality of microphone signals. The apparatus further includes a processor, memory, and storage where the processor is configured to execute program instructions. The processor performs a beamforming operation to create a plurality of combined signals. In addition, the processor performs an acoustic echo cancellation operation to generate a plurality of combined echo cancelled signals. Further, the processor selects one of the combined echo cancelled signals for transmission to the far end where the signal selection module uses the far end signal as information to inhibit the signal selection module from changing the selection of the combined echo cancelled signals while only the far end signal is active.