Huawei Technologies Co., Limited

Ordos Yuansheng Optoelectronics Co., Ltd.

Boe Technology Group Co., Ltd.

The University of Southampton

Beijing Boe Technology Development Co., Ltd.

Friedrich-alexander-universitaet Erlangen-nuernberg

Yue Lang

Wenhai Wu

Lei Miao

David Virette

Peter Grosche

Zexin Liu

Christof Faller

Qing Feng Zhang

Jianfeng Xu

Chen Hu

Alexis Favrot

Dejun Zhang

Lixiong Li

Tinghong Wang

Qi Zhang

Willem Bastiaan Kleijn

Karim Helwani

Walter Kellermann

Ferdinando Oliveri

Michael Buerger

Thomas Sherson

Anisse Taleb

Qing Zhang

Liang Zhang

Deming Zhang

Richard Heusdens

Liyun Pang

Filippo Fazi

Simone Fontana

Wenyu Jin

Heinrich Löllmann

Wei Xiao

Fuwei Ma

Jigang Sun

Zhengzhong Du

Mincheol Shin

Jiaming Xu

Wanhua Yang

Chan Hu

Xueying Wang

Churonggui Sa

Yunfan Du

This application provides a voice control method and apparatus, a wearable device, and a terminal. The method includes: obtaining voice information of a user; obtaining identity information of the user based on a first voiceprint recognition result of a first voice component of the voice information, a second voiceprint recognition result of a second voice component of the voice information, and a third voiceprint recognition result of a third voice component of the voice information, where the first voice component is captured by an in-ear voice sensor of a wearable device, the second voice component is captured by an out-of-ear voice sensor of the wearable device, and the third voice component is captured by a bone vibration sensor of the wearable device; and executing an operation instruction when the identity information of the user matches the preset identity information.

Voice control method and apparatus

The present disclosure relates to a road screen networking system and a vehicle-mounted unit. The road screen networking system includes a plurality of road screen units; wherein each road screen unit is configured to acquire information of vehicles driving within its communication range and to provide the information to vehicles within the communication range; and wherein the communication range of each road screen unit is a range between the road screen unit and a next road screen unit in a driving direction.

Road screen networking system and vehicle-mounted unit

A method of image display in a display apparatus having a plurality of pixels is provided. For a selected region of image in which grayscales of the subpixel of the first color, the subpixel of the second color, and the subpixel of the third color in a same pixel are L1, L2, and L3, respectively, L3&#x2265;(1.5&#xd7;L2), L1&#x2264;(0.5&#xd7;L2), the subpixel of a second color having grayscale of L2 and the subpixel of a third color having grayscale of L3 are spatially adjacent to each other and respectively under control of two multiplexers temporally adjacent to each other, the method includes prior to transmitting a plurality of data signals, compensating original data signals of subpixels under control of a first to an (N&#x2212;1)-th multiplexers and in the selected region of image with compensation values.

Method of image display in display apparatus, data signal compensation apparatus for compensating data signals of display apparatus, and display apparatus

The present disclosure provides a capacitance compensation module, a capacitance compensation method, a self-capacitive touch display panel and a self-capacitive touch display device. The capacitance compensation module includes: a detection circuitry configured to detect an initial capacitance of a capacitor formed between each of the plurality of touch electrodes and the ground when the touch electrode is not being touched; a determination circuitry connected to the detection circuitry, and configured to determine whether the touch electrode is an abnormal touch electrode in accordance with the initial capacitance and output a compensation control signal when the touch electrode is the abnormal touch electrode; and a compensation circuitry connected to the determination circuitry and configured to, upon the receipt of the compensation control signal, apply a compensation voltage to the abnormal touch electrode, so as to enable the initial capacitance of the capacitor formed between the abnormal touch electrode and the ground to be within a standard capacitance range. According to at least one of embodiments of the present disclosure, it is able to at least partially prevent the occurrence of a capacitance warpage at a periphery of the self-capacitive touch display panel.

Capacitance compensation module and method, self-capacitive touch display panel and display device

A sound processing node is provided for an arrangement of sound processing nodes configured to receive a plurality of sound signals. The sound processing node comprises a processor configured to generate an output signal based on the plurality of sound signals weighted by a plurality of beamforming weights. The processor is configured to adaptively determine the plurality of beamforming weights on the basis of an adaptive linearly constrained minimum variance beamformer using a transformed version of a least mean squares formulation of a constrained gradient descent approach. The transformed version of the least mean squares formulation of the constrained gradient descent approach is based on a transformation of the least mean squares formulation of the constrained gradient descent approach to the dual domain.

Sound processing node of an arrangement of sound processing nodes

The disclosure relates to an audio signal processing apparatus for processing an input audio signal, comprising a filter unit comprising a plurality of filters, each filter configured to filter the input audio signal to obtain a plurality of filtered audio signals, each filter designed according to an extended mode matching beamforming applied to a surface of a half revolution, the surface partially characterizing a loudspeaker enclosure shape, a plurality of scaling units, each scaling unit configured to scale the plurality of filtered audio signals using a plurality of gain coefficients to obtain a plurality of scaled filtered audio signals, and a plurality of adders, each adder configured to combine the plurality of scaled filtered audio signals, thereby providing an output audio signal for producing a sound field having a beam directivity pattern defined by the plurality of gain coefficients.

Audio signal processing apparatus and a sound emission apparatus

An audio signal processing apparatus for processing an input audio signal is provided, the apparatus comprising a plurality of filters, each filter configured to filter the input audio signal to obtain a plurality of filtered audio signals, each filter designed according to an extended mode matching beamforming applied to a surface of a half revolution, the surface partially characterizing a loudspeaker enclosure shape, a plurality of scaling units, each scaling unit configured to scale the plurality of filtered audio signals using a plurality of gain coefficients to obtain a plurality of scaled filtered audio signals, and a plurality of adders, each adder configured to combine the plurality of scaled filtered audio signals, thereby providing an output audio signal for producing a sound field having a beam directivity pattern defined by the plurality of gain coefficients.

The invention relates to an audio signal processing apparatus for processing an input earpiece audio signal upon the basis of a microphone audio signal, the audio signal processing apparatus comprising a voice activity detector being configured to determine a voice activity indicator signal upon the basis of the input earpiece audio signal, a noise magnitude determiner being configured to determine a microphone noise magnitude indicator signal upon the basis of the microphone audio signal, a gain factor determiner being configured to determine a gain factor signal upon the basis of the voice activity indicator signal and the microphone noise magnitude indicator signal, and a weighter being configured to weight the input earpiece audio signal by the gain factor signal to obtain an output earpiece audio signal.

Audio signal processing apparatus for processing an input earpiece audio signal upon the basis of a microphone audio signal

A wave field synthesis apparatus for driving an array of loudspeakers with drive signals, the apparatus includes a sound field synthesizer for generating sound field drive signals for causing the array of loudspeakers to generate one or more sound fields at one or more audio zones, a binaural renderer for generating binaural drive signals for causing the array of loud-speakers to generate specified sound pressures at at least two positions, wherein the at least two positions are determined based on a detected position and/or orientation of a listener, and a decision unit for deciding whether to generate the drive signals using the sound field synthesizer or using the binaural renderer.

Apparatus and method for driving an array of loudspeakers with drive signals

A sound processing node for an arrangement of sound processing nodes is disclosed. The sound processing nodes being configured to receive a plurality of sound signals, wherein the sound processing node comprises a processor configured to determine a beamforming signal on the basis of the plurality of sound signals weighted by a plurality of weights, wherein the processor is configured to determine the plurality of weights using a transformed version of a linearly constrained minimum variance approach, the transformed version of the linearly constrained minimum variance approach being obtained by applying a convex relaxation to the linearly constrained minimum variance approach.

A local wave field synthesis apparatus, which includes a determination module for determining desired sound pressures and desired particle velocity vectors at a plurality of control points, a computation module for computing sound pressures and particle velocity vectors at the plurality of control points based on a set of filter parameters, an optimization module for computing an optimum set of filter parameters by jointly optimizing computed sound pressures towards the desired sound pressures and computed particle velocity vectors towards the desired particle velocity vectors, and a generator module for generating the drive signals based on the optimum set of filter parameters, wherein the plurality of control points are located on one or more contours around the one or more audio zones.

Apparatus and method for driving an array of loudspeakers

The disclosure relates to an apparatus for manipulating an input audio signal associated to a spatial audio source within a spatial audio scenario, wherein the spatial audio source has a certain distance to a listener within the spatial audio scenario. The apparatus comprises an exciter adapted to manipulate the input audio signal to obtain an output audio signal, and a controller adapted to control parameters of the exciter for manipulating the input audio signal based on the certain distance.

Apparatus and a method for manipulating an input audio signal

A microphone arrangement and a method using the microphone arrangement for recording surround sound in a mobile device, where the microphone arrangement comprises a first and a second microphone and arranged at a first distance to each other and configured to obtain a stereo signal, and comprises a third microphone configured to obtain a steering signal together with at least one of the first and second microphone or with a fourth microphone. The microphone arrangement also comprises a processor configured to separate the stereo signal into a front stereo signal and a back stereo signal based on the steering signal.

Surround sound recording for mobile devices

A method, an apparatus, and a system for encoding and decoding multi-channel signals are disclosed. The method for encoding multi-channel signals includes: determining the category of an index corresponding to a channel level difference (CLD) which needs to be quantized in a current frame; quantizing the CLD of at least one frequency band whose index category is the same as the determined category of the index in the current frame, and obtaining quantized data.

Method, apparatus, and system for encoding and decoding multi-channel signals

A digital compressor for compressing an input audio signal is presented. The digital compressor comprises a compression gain control for providing a compression gain parameter, and a compression parameter determiner for determining a compression ratio from the compression gain parameter. The compression parameter determiner may be configured to weight the compression gain parameter by a predetermined weight factor to obtain the compression ratio. The digital compressor further comprises an auxiliary signal generator for manipulating the input audio signal in dependence of the compression ratio to obtain a first auxiliary signal, and a combiner unit for combining the first auxiliary signal with the compression gain parameter to obtain a second auxiliary signal, and for combining the input audio signal with the second auxiliary signal to obtain the compressed audio signal.

Digital compressor for compressing an audio signal

Growing community of inventors

Beijing, China

Yue Lang