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    Data processing method and device for processing speech signal or audio signal
    2.
    发明授权
    Data processing method and device for processing speech signal or audio signal 有权
    用于处理语音信号或音频信号的数据处理方法和装置

    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。

    Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal
    3.
    发明授权
    Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal 有权
    用于编码高频信号的方法和装置，以及用于对高频信号进行解码的方法和装置

    公开(公告)号：US08924221B2

    公开(公告)日：2014-12-30

    申请号：US13854043

    申请日：2013-03-29

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Zexin Liu ,  Lei Miao ,  Anisse Taleb

    IPC: G10L19/20

    CPC classification number: G10L19/032 ,  G10L19/025 ,  G10L19/20 ,  G10L21/038 ,  G10L25/18 ,  H04N19/60

    Abstract: A method and a device for encoding a high frequency signal, and a method and a device for decoding a high frequency signal are provided, which relate to encoding and decoding technology. The method for encoding a high frequency signal includes: determining a signal type of a high frequency signal of a current frame; smoothing and scaling time envelopes of the high frequency signal of the current frame and obtaining time envelopes of the high frequency signal of the current frame that require to be encoded, if the high frequency signal of the current frame is a non-transient signal and a high frequency signal of the previous frame is a transient signal; and quantizing and encoding the time envelopes of the high frequency signal of the current frame that require to be encoded, and frequency information and signal type information of the high frequency signal of the current frame.

    Abstract translation: 提供了一种编码高频信号的方法和装置，以及用于解码高频信号的方法和装置，其涉及编码和解码技术。 编码高频信号的方法包括：确定当前帧的高频信号的信号类型; 平滑和缩放当前帧的高频信号的时间包络并获得当前帧的高频信号需要被编码的时间包络，如果当前帧的高频信号是非瞬态信号，并且 前一帧的高频信号是瞬态信号; 对需要编码的当前帧的高频信号的时间包进行量化和编码，以及当前帧的高频信号的频率信息和信号类型信息。

    Signal Classification Method and Device, and Encoding and Decoding Methods and Devices
    4.
    发明申请
    Signal Classification Method and Device, and Encoding and Decoding Methods and Devices 审中-公开
    信号分类方法和设备，以及编码和解码方法和设备

    公开(公告)号：US20140046672A1

    公开(公告)日：2014-02-13

    申请号：US14057924

    申请日：2013-10-18

    Applicant: Huawei Technologies Co., LTD.

    Inventor： Zexin Liu ,  Lei Miao ,  Anisse Taleb

    IPC: G10L19/26

    CPC classification number: G10L19/265 ,  G10L19/008 ,  G10L19/0204 ,  G10L19/20 ,  G10L21/0388

    Abstract: Embodiments of the present invention provide a signal classification method and device, and encoding and decoding methods and devices. The encoding method includes dividing a current frame into a low-frequency band signal and a high-frequency band signal, attenuating the high-frequency band signal or a to-be-encoded characteristic parameter of the high-frequency band signal according to an energy attenuation value of the low-frequency band signal, where the energy attenuation value indicates energy attenuation of the low-frequency band signal caused by encoding of the low-frequency band signal, and encoding the attenuated high-frequency band signal or the attenuated to-be-encoded characteristic parameter of the high-frequency band signal. The technical solutions according to the embodiments of the present invention can improve the effect of combining the low-frequency band signal and the high-frequency band signal at the decoder.

    Abstract translation: 本发明的实施例提供信号分类方法和装置，以及编码和解码方法和装置。 该编码方法包括将当前帧划分成低频带信号和高频带信号，根据能量来衰减高频带信号或待编码特征参数的高频带信号 低频带信号的衰减值，其中能量衰减值指示由低频带信号的编码引起的低频带信号的能量衰减，以及对衰减的高频带信号或衰减的 - 高频带信号的被编码特征参数。 根据本发明的实施例的技术方案可以改善在解码器处组合低频带信号和高频带信号的效果。

    AUDIO OR VOICE SIGNAL PROCESSOR
    6.
    发明申请
    AUDIO OR VOICE SIGNAL PROCESSOR 审中-公开
    音频或语音信号处理器

    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。

    SIGNAL ANALYZER, SIGNAL ANALYZING METHOD, SIGNAL SYNTHESIZER, SIGNAL SYNTHESIZING, WINDOWER, TRANSFORMER AND INVERSE TRANSFORMER
    7.
    发明申请
    SIGNAL ANALYZER, SIGNAL ANALYZING METHOD, SIGNAL SYNTHESIZER, SIGNAL SYNTHESIZING, WINDOWER, TRANSFORMER AND INVERSE TRANSFORMER 有权
    信号分析仪，信号分析方法，信号合成器，信号合成，风机，变压器和逆变器

    公开(公告)号：US20130268264A1

    公开(公告)日：2013-10-10

    申请号：US13862655

    申请日：2013-04-15

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Anisse Taleb ,  Fengyan Qi ,  Chen Hu

    IPC: G10L19/022

    CPC classification number: G10L19/022 ,  G10L19/0212 ,  G10L19/20

    Abstract: The present disclosure relates to a signal analyzer for processing an overlapped input signal frame comprising 2N subsequent input signal values. The signal analyzer comprises: a windower adapted to window the overlapped input signal frame to obtain a windowed signal, wherein the windower is adapted to zero M+N/2 subsequent input signal values of the overlapped input signal frame, wherein M is equal or greater than 1 and smaller than N/2; and a transformer adapted to transform the remaining 3N/2−M subsequent windowed signal values of the windowed signal using N−M sets of transform parameters to obtain a transformed-domain signal comprising N−M transformed-domain signal values.

    Abstract translation: 本公开涉及一种用于处理包括2N个后续输入信号值的重叠输入信号帧的信号分析器。 所述信号分析器包括：风力发电机，其适于窗口重叠的输入信号帧以获得加窗信号，其中，所述加窗器适用于重叠输入信号帧的M + N / 2个后续输入信号值，其中M等于或大于 小于1，小于N / 2; 以及变压器，其适于使用N-M组变换参数来变换所述加窗信号的剩余3N / 2-M后续窗口化信号值，以获得包括N-M个变换域信号值的变换域信号。

    Method and an apparatus for voice quality enhancement (VQE) for detection of VQE in a receiving signal using a guassian mixture model
    10.
    发明授权
    Method and an apparatus for voice quality enhancement (VQE) for detection of VQE in a receiving signal using a guassian mixture model 有权
    用于使用古萨混合模型在接收信号中检测VQE的用于语音质量增强（VQE）的方法和装置

    公开(公告)号：US09299359B2

    公开(公告)日：2016-03-29

    申请号：US13940494

    申请日：2013-07-12

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Anisse Taleb ,  David Virette ,  Jianfeng Xu

    IPC: G10L21/00 ,  H04M3/00 ,  G10L21/0208 ,  G10L21/02 ,  H04Q3/00 ,  G10L25/69

    CPC classification number: G10L21/0208 ,  G10L21/02 ,  G10L25/69 ,  H04Q3/00

    Abstract: A voice quality enhancement (VQE) detector for a network element receiving an audio signal from a previous network element of a network, wherein said voice quality enhancement detector is adapted: to perform a voice quality enhancement detection based on the received audio signal, wherein said voice quality enhancement detection comprises detecting that at least one voice quality enhancement function, VQEE comprising of a noise cancellation or an echo cancellation function using a Gaussian Mixture Model was applied to the received audio signal by at least one previous network element of the network; and to control a voice quality enhancement processing of the received audio signal depending on the detection result.

    Abstract translation: 一种用于网络元件接收来自网络的先前网络元件的音频信号的语音质量增强（VQE）检测器，其中所述语音质量增强检测器适于：基于所接收的音频信号执行语音质量增强检测，其中所述 语音质量增强检测包括检测至少一个语音质量增强功能，包括噪声消除的VQEE或使用高斯混合模型的回声消除功能被网络的至少一个先前网络元件应用于所接收的音频信号; 并且根据检测结果控制所接收的音频信号的语音质量增强处理。

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