公开(公告)号：US11482095B2

公开(公告)日：2022-10-25

申请号：US17044011

申请日：2019-03-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yafei Wang ,  Weiping Zhu ,  Jianfeng Xu

IPC: G08C17/02 ,  H05B47/19

Abstract: A wireless control method includes sending, by a controller, a first control command to instruct the first device to execute a corresponding event, receiving, by a wireless router, the first control command, determining, in response to the first control command, that the first device is not connected to a power supply, and sending a power supply connect instruction to an input apparatus, where the power supply connect instruction instructs the input apparatus to connect the first device to the power supply.

公开(公告)号：US09792257B2

公开(公告)日：2017-10-17

申请号：US15345074

申请日：2016-11-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deming Zhang ,  Haiting Li ,  Anisse Taleb ,  Jianfeng Xu

IPC: G06F17/14 ,  G10L19/02 ,  G10L19/022

CPC classification number: G06F17/142 ,  G06F17/141 ,  G06F17/147 ,  G10L19/0212 ,  G10L19/022

Abstract: An embodiment of the present invention discloses a data processing method, including: twiddling input data, so as to obtain twiddled data; pre-rotating the twiddled data by using a symmetric rotate factor, where the rotate factor is a·W4L2p+1, p=0, . . . , L/2−1, and a is a constant; performing a Fast Fourier (Fast Fourier Transform, FFT) transform of L/2 point on the pre-rotated data, where L is the length of the input data; post-rotating the data that has undergone the FFT transform by using a symmetric rotate factor, where the rotate factor is b·W4L2q+1, q=0, . . . , L/2−1, and b is a constant; and obtaining output data.

公开(公告)号：US09324329B2

公开(公告)日：2016-04-26

申请号：US14145328

申请日：2013-12-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： David Virette ,  Yue Lang ,  Jianfeng Xu

IPC: G10L19/008 ,  H04S3/00

CPC classification number: G10L19/008 ,  H04S3/00

Abstract: A method for parametric spatial audio coding of a multi-channel audio signal comprising a plurality of audio channel signals is provided, the method comprising: calculating at least two different spatial coding parameters for an audio channel signal of the plurality of audio channel signals, selecting at least one spatial coding parameter of the at least two different spatial coding parameters associated with the audio channel signal on the basis of the values of the calculated spatial coding parameters; including a quantized representation of the selected spatial coding parameter into a parameter section of an audio bitstream; and setting a parameter type flag in the parameter section of the audio bitstream indicating the type of the selected spatial coding parameter being included into the audio bitstream.

Abstract translation: 提供了一种包括多个音频信道信号的多声道音频信号的参数空间音频编码的方法，所述方法包括：为所述多个音频信道信号的音频信道信号计算至少两个不同的空间编码参数，选择 基于所计算的空间编码参数的值，与所述音频信道信号相关联的所述至少两个不同空间编码参数中的至少一个空间编码参数; 包括所选择的空间编码参数的量化表示到音频比特流的参数部分中; 以及在音频比特流的参数部分中设置参数类型标志，该参数部分指示被包括在音频比特流中的所选择的空间编码参数的类型。

公开(公告)号：US20140172420A1

公开(公告)日：2014-06-19

申请号：US14187523

申请日：2014-02-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Anisse Taleb ,  Jianfeng Xu ,  Liyun Pang ,  Lei Miao

IPC: G10L21/0224

CPC classification number: G10L21/0224 ,  G10L19/005 ,  G10L21/04 ,  H04J3/0632 ,  H04L29/06462 ,  H04L29/06489 ,  H04L29/06517 ,  H04L29/06523 ,  H04N21/4392 ,  H04N21/4398 ,  H04N21/44209 ,  H04N21/6437

Abstract: A voice or audio signal processor for processing received network packets received over a communication network to provide an output signal, the voice or audio signal processor comprising a jitter buffer being configured to buffer the received network packets, a voice or audio decoder being configured to decode the received network packets as buffered by the jitter buffer to obtain a decoded voice or audio signal, a controllable time scaler being configured to amend a length of the decoded voice or audio signal to obtain a time scaled voice or audio signal as the output voice or audio signal, and an adaptation control means being configured to control an operation of the time scaler in dependency on a processing complexity measure.

Abstract translation: 一种用于处理通过通信网络接收的接收的网络分组以提供输出信号的语音或音频信号处理器，所述语音或音频信号处理器包括被配置为缓冲所接收的网络分组的抖动缓冲器，语音或音频解码器被配置为解码 接收到的由抖动缓冲器缓冲的网络分组以获得解码的语音或音频信号，可控时间缩放器被配置为修改解码的语音或音频信号的长度，以获得时间缩放的语音或音频信号作为输出语音，或 音频信号和适配控制装置被配置为根据处理复杂度测量来控制时间缩放器的操作。

公开(公告)号：US20140112482A1

公开(公告)日：2014-04-24

申请号：US14145328

申请日：2013-12-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： David Virette ,  Yue Lang ,  Jianfeng Xu

IPC: G10L19/008

CPC classification number: G10L19/008 ,  H04S3/00

Abstract: A method for parametric spatial audio coding of a multi-channel audio signal comprising a plurality of audio channel signals is provided, the method comprising: calculating at least two different spatial coding parameters for an audio channel signal of the plurality of audio channel signals, selecting at least one spatial coding parameter of the at least two different spatial coding parameters associated with the audio channel signal on the basis of the values of the calculated spatial coding parameters; including a quantized representation of the selected spatial coding parameter into a parameter section of an audio bitstream; and setting a parameter type flag in the parameter section of the audio bitstream indicating the type of the selected spatial coding parameter being included into the audio bitstream.

Abstract translation: 提供了一种包括多个音频信道信号的多声道音频信号的参数空间音频编码的方法，所述方法包括：为所述多个音频信道信号的音频信道信号计算至少两个不同的空间编码参数，选择 基于所计算的空间编码参数的值，与所述音频信道信号相关联的所述至少两个不同空间编码参数中的至少一个空间编码参数; 包括所选择的空间编码参数的量化表示到音频比特流的参数部分中; 以及在音频比特流的参数部分中设置参数类型标志，该参数部分指示被包括在音频比特流中的所选择的空间编码参数的类型。

公开(公告)号：US20230337147A1

公开(公告)日：2023-10-19

申请号：US18245776

申请日：2021-08-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianfeng Xu

IPC: H04W52/28 ,  H04L41/0866 ,  H04L9/40 ,  H04W12/06 ,  H04W52/54

CPC classification number: H04W52/283 ,  H04L41/0866 ,  H04L63/08 ,  H04W12/06 ,  H04W52/54

Abstract: A device configuration method. The method includes: A first device receives network configuration information from a second device; and the first device sends the network configuration information to at least one third device, where the network configuration information is used to connect the first device and the at least one third device to a network device. One of the first device and any third device is provided with a first antenna, and the other is provided with a second antenna. A transmit power of the first antenna is less than a first power threshold. A longest transmit distance of the first antenna is a first distance threshold. A transmit power of the second antenna is greater than the first power threshold.

公开(公告)号：US11140547B2

公开(公告)日：2021-10-05

申请号：US16463514

申请日：2017-03-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianfeng Xu

IPC: H04L29/06 ,  H04L29/08 ,  H04L12/58 ,  H04W12/0431 ,  H04W12/03 ,  H04W12/55 ,  H04W84/12

Abstract: A method for securely controlling a smart home, and a terminal device are provided, to resolve a prior-art problem that an intelligent terminal device is counterfeited. The method includes: displaying, by an intelligent terminal device, at least one operation indication for a smart home device when the intelligent terminal device receives an operation instruction entered by a user to add the smart home device, where the operation indication is used to instruct the user to perform function control on the smart home device; and generating, by the intelligent terminal device when determining an operation indication selected by the user from the at least one operation indication, a first key based on the selected operation indication, where the first key is used by the intelligent terminal device to encrypt information to be sent to the smart home device.

公开(公告)号：US20170364479A1

公开(公告)日：2017-12-21

申请号：US15696091

申请日：2017-09-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deming Zhang ,  Haiting Li ,  Anisse Taleb ,  Jianfeng Xu

IPC: G06F17/14 ,  G10L19/02 ,  G10L19/022

CPC classification number: G06F17/142 ,  G06F17/141 ,  G06F17/147 ,  G10L19/0212 ,  G10L19/022

Abstract: A method for processing an audio signal, including: sound is converted to an analog audio input signal and converted into a digital audio signal; a windowed time domain signal is obtained and then a twiddled signal is obtained; the twiddled signal is pre-rotated and then an FFT is performed; an in-place fixed rotate compensation is performed on the FFT signal and then an post-rotated is performed; a quantized signal is obtained and then wrote into a bitstream for transmitting or storing.

公开(公告)号：US09519619B2

公开(公告)日：2016-12-13

申请号：US13938834

申请日：2013-07-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deming Zhang ,  Haiting Li ,  Anisse Taleb ,  Jianfeng Xu

IPC: G06F17/14

CPC classification number: G06F17/142 ,  G06F17/141 ,  G06F17/147 ,  G10L19/0212 ,  G10L19/022

Abstract: A data processing method is disclosed, including: twiddling input data, so as to obtain twiddled data; pre-rotating the twiddled data by using a symmetric rotate factor, where the rotate factor is a·W4L2p+1, p=0, . . . , L/2−1, and a is a constant; performing a Fast Fourier (Fast Fourier Transform, FFT) transform of L/2 point on the pre-rotated data, where L is the length of the input data; post-rotating the data that has undergone the FFT transform by using a symmetric rotate factor, where the rotate factor is b·W4L2q+1, q=0, . . . , L/2−1, and b is a constant; and obtaining output data.

Abstract translation: 公开了一种数据处理方法，包括：对输入数据进行加密，以获得二进制数据; 通过使用对称的旋转因子预先旋转二进制数据，其中旋转因子为·W4L2p + 1，p = 0。 。 。 ，L / 2-1，a为常数; 在预旋转数据上执行L / 2点的快速傅里叶（Fast Fourier Transform，FFT）变换，其中L是输入数据的长度; 通过使用旋转因数为b·W4L2q + 1，q = 0的对称旋转因子对经过FFT变换的数据进行后转。 。 。 ，L / 2-1，b为常数; 并获得输出数据。

公开(公告)号：US09449604B2

公开(公告)日：2016-09-20

申请号：US14498625

申请日：2014-09-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： David Virette ,  Yue Lang ,  Jianfeng Xu

IPC: G10L19/008

CPC classification number: G10L19/008 ,  G10L25/06

Abstract: The invention relates to a method for determining an encoding parameter for an audio channel signal of a multi-channel audio signal, the method comprising: determining for the audio channel signal a set of functions from the audio channel signal and a reference audio signal; determining a first set of encoding parameters based on a smoothing of the set of functions with respect to a frame sequence of the multi-channel audio signal, the smoothing being based on a first smoothing coefficient; determining a second set of encoding parameters based on a smoothing of the set of functions with respect to the frame sequence of the multi-channel audio signal, the smoothing being based on a second smoothing coefficient; and determining the encoding parameter based on a quality criterion with respect to the first set of encoding parameters and/or the second set of encoding parameters.

Abstract translation: 本发明涉及一种用于确定多声道音频信号的音频信道信号的编码参数的方法，该方法包括：根据音频信道信号和参考音频信号确定音频信道信号的一组功能; 基于相对于多声道音频信号的帧序列的函数集的平滑来确定第一组编码参数，所述平滑基于第一平滑系数; 基于相对于多声道音频信号的帧序列的函数集的平滑来确定第二组编码参数，所述平滑基于第二平滑系数; 以及基于关于第一组编码参数和/或第二组编码参数的质量标准来确定编码参数。