UPGRADE METHOD, UPGRADE APPARATUS, AND ELECTRONIC DEVICE

    公开(公告)号:US20240071392A1

    公开(公告)日:2024-02-29

    申请号:US18502517

    申请日:2023-11-06

    CPC classification number: G10L17/04 G10L17/02 G10L17/06

    Abstract: This application provides an upgrade method including: An electronic device acquires a first verification voice entered by a user; processes the first verification voice by using a first model stored in the electronic device, to obtain a first voiceprint feature; verifies an identity of the user based on the first voiceprint feature and a first user feature template stored in the electronic device; after the identity of the user is verified, if the electronic device has received a second model, processes the first verification voice by using the second model, to obtain a second voiceprint feature; and updates the first user feature template based on the second voiceprint feature, and updates the first model by using the second model.

    MULTI-CHANNEL AUDIO ENCODER AND METHOD FOR ENCODING A MULTI-CHANNEL AUDIO SIGNAL
    2.
    发明申请
    MULTI-CHANNEL AUDIO ENCODER AND METHOD FOR ENCODING A MULTI-CHANNEL AUDIO SIGNAL 有权
    多频道音频编码器和编码多声道音频信号的方法

    公开(公告)号:US20150049872A1

    公开(公告)日:2015-02-19

    申请号:US14498613

    申请日:2014-09-26

    CPC classification number: G10L19/008 G10L19/0204

    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 a frequency transform of the audio channel signal; determining a frequency transform of a reference audio signal; determining inter channel differences for at least each frequency sub-band of a subset of frequency sub-bands, each inter channel difference indicating a phase difference or time difference between a band-limited signal portion of the audio channel signal and a band-limited signal portion of the reference audio signal in the respective frequency sub-band the inter-channel difference is associated to; determining a first average based on positive values of the inter-channel differences and determining a second average based on negative values of the inter-channel differences; and determining the encoding parameter based on the first average and on the second average.

    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:确定音频信道信号的频率变换; 确定参考音频信号的频率变换; 确定频率子带子集的至少每个频率子带的信道间差异,每个信道间差异指示音频信道信号的带限信号部分与频带限制信号之间的相位差或时间差 相应频率子带中的参考音频信号的部分信道间差异相关联; 基于信道间差异的正值确定第一平均值,并且基于信道间差异的负值确定第二平均值; 以及基于所述第一平均值和所述第二平均值确定所述编码参数。

    Method and an Apparatus for Encoding/Decoding a Multichannel Audio Signal
    4.
    发明申请
    Method and an Apparatus for Encoding/Decoding a Multichannel Audio Signal 审中-公开
    用于对多声道音频信号进行编码/解码的方法和装置

    公开(公告)号:US20130230176A1

    公开(公告)日:2013-09-05

    申请号:US13856579

    申请日:2013-04-04

    CPC classification number: G10L19/008 G10L25/06

    Abstract: A method and apparatus for decoding a multichannel audio signal comprising the steps of receiving a downmix audio signal and an interchannel cross correlation parameter; deriving an interchannel phase difference parameter from the received interchannel cross correlation parameter; and calculating a decoded multichannel audio signal for the received downmix audio signal depending on the derived interchannel phase difference parameter.

    Abstract translation: 一种用于对多声道音频信号进行解码的方法和装置,包括以下步骤:接收下混频音频信号和通道间相互作用参数; 从所接收的信道间相互关系参数中导出信道间相位差参数; 以及根据导出的通道间相位差参数来计算所接收的下混音频信号的解码多声道音频信号。

    VOICE CONTROL METHOD AND APPARATUS
    5.
    发明公开

    公开(公告)号:US20240013789A1

    公开(公告)日:2024-01-11

    申请号:US18471702

    申请日:2023-09-21

    CPC classification number: G10L15/22 G10L2015/223

    Abstract: 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.

    STEREO DECODING METHOD AND APPARATUS
    8.
    发明申请
    STEREO DECODING METHOD AND APPARATUS 有权
    立体声解码方法和装置

    公开(公告)号:US20160323687A1

    公开(公告)日:2016-11-03

    申请号:US15210644

    申请日:2016-07-14

    Abstract: A stereo decoding method and apparatus are disclosed. The method includes: restoring a monophonic signal from a received code stream through decoding; restoring an interchannel level difference, a group delay, and a group phase from the received code stream through decoding; and processing the monophonic signal according to the interchannel level difference, group delay, and group phase to obtain a first channel signal and a second channel signal. According to the stereo decoding method and apparatus provided in embodiments of the present invention, the first and second channel signals are obtained according to the monophonic signal, ILD, group delay, and group phase by referring to not only the ILD but also the group delay and group phase, thereby yielding favorable stereo sound field effect for the obtained first and second channel signals.

    Abstract translation: 公开了一种立体声解码方法和装置。 该方法包括:通过解码从接收到的码流中恢复单声道信号; 通过解码从接收到的代码流中恢复通道间级差,组延迟和组相位; 以及根据通道间电平差,组延迟和组相位处理单声道信号以获得第一通道信号和第二通道信号。 根据本发明的实施例中提供的立体声解码方法和装置,不仅参照ILD而且还参照组延迟,根据单声道信号,ILD,组延迟和组相位来获得第一和第二声道信号 和组相位,从而为获得的第一和第二信道信号产生有利的立体声场效应。

    SOUND PROCESSING NODE OF AN ARRANGEMENT OF SOUND PROCESSING NODES

    公开(公告)号:US20190273987A1

    公开(公告)日:2019-09-05

    申请号:US16418363

    申请日:2019-05-21

    Abstract: The invention relates to a sound processing node for an arrangement of sound processing nodes, the sound processing nodes being configured to receive a plurality of sound signals, wherein the sound processing node comprises a processor configured to generate an output signal on the basis of the plurality of sound signals weighted by a plurality of beamforming weights, wherein 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, wherein 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.

    Method for Determining an Encoding Parameter for a Multi-Channel Audio Signal and Multi-Channel Audio Encoder
    10.
    发明申请
    Method for Determining an Encoding Parameter for a Multi-Channel Audio Signal and Multi-Channel Audio Encoder 有权
    用于确定多声道音频信号和多声道音频编码器的编码参数的方法

    公开(公告)号:US20150010155A1

    公开(公告)日:2015-01-08

    申请号:US14498625

    申请日:2014-09-26

    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。

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