公开(公告)号：US20170075860A1

公开(公告)日：2017-03-16

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

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.

Abstract translation: 本发明的一个实施例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来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：US09368108B2

公开(公告)日：2016-06-14

申请号：US14598602

申请日：2015-01-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Change Liu ,  Deming Zhang

IPC: G10L15/00 ,  G10L15/18 ,  G10L15/06 ,  G10L15/187 ,  G10L15/22

CPC classification number: G10L15/06 ,  G10L15/18 ,  G10L15/187 ,  G10L2015/223

Abstract: A speech recognition method and device are disclosed. The method includes: acquiring a text file specified by a user, and extracting a command word from the text file, to obtain a command word list; comparing the command word list with a command word library, to confirm whether the command word list includes a new command word; if the command word list includes the new command word, generating a corresponding new pronunciation dictionary; merging the new language model into a language model library; and receiving speech, and performing speech recognition on the speech according to an acoustic model, a phonation dictionary, and the language model library. Command words acquired online are closely related to online content; therefore, the number of the command words is limited and far less than the number of frequently used words.

Abstract translation: 公开了一种语音识别方法和装置。 该方法包括：获取由用户指定的文本文件，并从文本文件中提取命令字，以获得命令字列表; 将命令字列表与命令字库进行比较，以确认命令字列表是否包含新的命令字; 如果命令字列表包括新命令字，则生成相应的新发音字典; 将新语言模型合并成语言模型库; 并且根据声学模型，发音字典和语言模型库对语音进行语音识别。 在线获取的指令字与在线内容密切相关; 因此，命令字的数量是有限的，远远低于经常使用的字数。

公开(公告)号：US20160066117A1

公开(公告)日：2016-03-03

申请号：US14822476

申请日：2015-08-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingdong Chen ,  Haiting Li ,  Deming Zhang

IPC: H04S3/00 ,  H04R3/00 ,  H04R5/027 ,  H04W88/02 ,  H04S7/00

CPC classification number: H04S3/002 ,  H04R1/406 ,  H04R3/005 ,  H04R5/027 ,  H04R2201/401 ,  H04R2201/405 ,  H04R2203/12 ,  H04S3/02 ,  H04S7/302 ,  H04S2400/11 ,  H04S2400/15 ,  H04S2420/13 ,  H04W88/02

Abstract: A sound signal processing method and apparatus are provided that relate to the audio signal processing field. The method in the present invention includes acquiring, by a mobile terminal, sound signals from a three-dimensional sound field, where at least three microphones are disposed on the mobile terminal and one microphone is configured to receive a sound signal in at least one direction; acquiring, according to the acquired sound signals, a direction of a sound source relative to the mobile terminal; and obtaining spatial audio signals according to the direction of the sound source relative to the mobile terminal and the acquired sound signals, where the spatial audio signals are used for simulating the three-dimensional sound field. The present invention is applicable to a process of collecting and processing signals in a three-dimensional sound field surrounding a terminal.

Abstract translation: 提供了与音频信号处理领域相关的声音信号处理方法和装置。 本发明的方法包括：由移动终端获取来自三维声场的声音信号，其中在移动终端上设置有至少三个麦克风，并且一个麦克风被配置为在至少一个方向上接收声音信号 ; 根据获取的声音信号，获取声源相对于移动终端的方向; 并且根据相对于移动终端的声源的方向和获取的声音信号获得空间音频信号，其中空间音频信号用于模拟三维声场。 本发明适用于在终端周围的三维声场中采集和处理信号的处理。

公开(公告)号：US20150078606A1

公开(公告)日：2015-03-19

申请号：US14554298

申请日：2014-11-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deming Zhang ,  David Virette ,  Yue Lang

IPC: H04R1/08

CPC classification number: H04R1/08 ,  H04M1/0202 ,  H04M1/035 ,  H04R5/027 ,  H04R2499/11

Abstract: The invention relates to a portable electronic device, comprising: a housing comprising at least one hole; and at least two directional microphones mounted in the housing and placed coincidentally for stereo sound pickup, each one of the microphones defining a main sound axis and each one of the two directional microphones defining a direct sound direction and a opposite sound direction which describe opposite directions of the main sound axis, wherein the at least one hole is a common hole shared between the at least two directional microphones such that the main sound axis of the at least two directional microphones are pointing through the common hole in different directions.

Abstract translation: 本发明涉及一种便携式电子设备，包括：壳体，包括至少一个孔; 以及安装在壳体中的至少两个定向麦克风并且巧妙地放置用于立体声拾音，每个麦克风限定主声轴，并且两个定向麦克风中的每一个定义了直接声音方向和相反方向，其描述了相反的方向 的主声轴，其中所述至少一个孔是在所述至少两个定向麦克风之间共享的公共孔，使得所述至少两个定向麦克风的主声轴在不同方向上指向所述公共孔。

公开(公告)号：US20130304784A1

公开(公告)日：2013-11-14

申请号：US13938834

申请日：2013-07-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deming Zhang ,  Haiting Li ,  Taleb Anisse ,  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 α 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来预先旋转二进制数据，其中旋转因子为·W4L2p + 1，p = 0。 。 。 ，L / 2-1，α是常数; 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：US20230063354A1

公开(公告)日：2023-03-02

申请号：US17982978

申请日：2022-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoyu Sun ,  Hongqiang Guo ,  Qin Wang ,  Deming Zhang

IPC: B60W60/00 ,  B60W40/09 ,  B60W50/10

Abstract: A method for adaptively optimizing an autonomous driving system includes obtaining a driving intent of a driver of a target vehicle, wherein the target vehicle is an autonomous driving vehicle controlled by the autonomous driving system, detecting, based on the driver's driving intent, that a conflict exists between a first driving behavior of the target vehicle controlled by the autonomous driving system and the driver's driving intent, and updating the autonomous driving system such that a driving behavior of the target vehicle controlled by an updated autonomous driving system matches the driving intent.

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：US09641929B2

公开(公告)日：2017-05-02

申请号：US15049515

申请日：2016-02-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haiting Li ,  Deming Zhang

IPC: H04R3/00 ,  H04R1/40 ,  G10L21/02 ,  H04R1/02 ,  G10L21/0216 ,  G10L21/0208

CPC classification number: H04R1/406 ,  G10L21/02 ,  G10L21/0205 ,  G10L2021/02082 ,  G10L2021/02166 ,  H04R2201/025 ,  H04R2201/405 ,  H04R2430/21

Abstract: An audio signal processing method and apparatus and a differential beamforming method and apparatus to resolve a problem that an existing audio signal processing system cannot process audio signals in multiple application scenarios at the same time. The method includes determining a super-directional differential beamforming weighting coefficient, acquiring an audio input signal and determining a current application scenario and an audio output signal, acquiring, a weighting coefficient corresponding to the current application scenario, performing super-directional differential beamforming processing on the audio input signal using the acquired weighting coefficient in order to obtain a super-directional differential beamforming signal in the current application scenario, and performing processing on the formed signal to obtain a final audio signal required by the current application scenario. By using this method, a requirement that different application scenarios require different audio signal processing manners can be met.

公开(公告)号：US09521500B2

公开(公告)日：2016-12-13

申请号：US14554277

申请日：2014-11-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deming Zhang ,  David Virette ,  Yue Lang

IPC: H04K1/00 ,  H04S1/00 ,  H04M1/03 ,  H04R5/027 ,  H04M1/02

CPC classification number: H04S1/00 ,  H04M1/0202 ,  H04M1/035 ,  H04M2250/12 ,  H04R5/027 ,  H04R2499/11

Abstract: The invention relates to a portable electronic device, comprising: at least two directional microphones for stereo sound pickup, each one of the two directional microphones defining a direct sound direction and an opposite sound direction towards which the directional microphones are directed; and a housing comprising for each of the directional microphones a first hole and a second hole, the first hole being located at a different side of the portable electronic device than the second hole.

Abstract translation: 本发明涉及一种便携式电子设备，包括：用于立体声拾音的至少两个定向麦克风，两个定向麦克风中的每一个定义了定向麦克风指向的直接声音方向和相反的声音方向; 以及壳体，其包括用于每个所述定向麦克风的第一孔和第二孔，所述第一孔位于所述便携式电子设备的不同于所述第二孔的不同侧。

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。