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公开(公告)号：US20170372716A1
公开(公告)日：2017-12-28
申请号：US15699694
申请日：2017-09-08
Applicant: Huawei Technologies Co., Ltd.
IPC: G10L19/12 , G10L19/06 , G10L19/025
CPC classification number: G10L19/12 , G10L19/025 , G10L19/06
Abstract: An audio coding method and apparatus, where the method includes, for each audio frame in audio, when a signal characteristic of the audio frame and a signal characteristic of a previous audio frame meet a preset modification condition, determining a first modification weight according to linear spectral frequency (LSF) differences of the audio frame and the LSF differences of the previous audio frame, modifying a linear predictive parameter of the audio frame according to the determined first modification weight, and coding the audio frame according to a modified linear predictive parameter of the audio frame. According to the present disclosure, audio having a wider bandwidth can be coded while a bit rate remains unchanged or a bit rate slightly changes and a spectrum between audio frames is steadier.
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公开(公告)号：US09837088B2
公开(公告)日：2017-12-05
申请号：US15335449
申请日：2016-10-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: G10L19/00 , G10L19/02 , G10L19/002
CPC classification number: G10L19/0204 , G10L19/002 , G10L19/02
Abstract: Present disclosure provides a signal processing method and device. Spectral coefficients of a current frame of a frequency-domain audio signal are divided into N sub-bands. N is a positive integer greater than 1. According to an energy attribute and a spectral attribute of a first subset of the N sub-bands, whether to modify original envelope values of sub-bands in the first subset is determined. A frequency range of each of the M sub-bands in the first subset is lower than a frequency range of each of the K sub-bands. Based on a determination that the original envelope values of the M sub-bands need to be modified, the original envelope values of the M sub-bands are modified individually to obtain modified envelope values of the M sub-bands. Encoding bits are allocated to each of the N sub-bands according to the modified envelope values of the M sub-bands and original envelope values of the K sub-bands.
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公开(公告)号：US09812143B2
公开(公告)日：2017-11-07
申请号：US15362443
申请日：2016-11-28
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: G10L19/12 , G10L19/025 , G10L19/06
Abstract: An audio coding method and apparatus, where the method includes, for each audio frame in audio, when a signal characteristic of the audio frame and a signal characteristic of a previous audio frame meet a preset modification condition, determining a first modification weight according to linear spectral frequency (LSF) differences of the audio frame and LSF differences of the previous audio frame, modifying a linear predictive parameter of the audio frame according to the determined first modification weight, and coding the audio frame according to a modified linear predictive parameter of the audio frame. According to the present disclosure, audio having a wider bandwidth can be coded while a bit rate remains unchanged or a bit rate slightly changes and a spectrum between audio frames is steadier.
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公开(公告)号：US20170287493A1
公开(公告)日：2017-10-05
申请号：US15472730
申请日：2017-03-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zexin Liu , Xingtao Zhang , Bin Wang , Lei Miao
IPC: G10L19/005 , G10L19/087 , G10L19/06 , G10L19/083 , G10L19/107 , G10L25/06 , G10L25/78 , G10L19/02
CPC classification number: G10L19/005 , G10L19/0208 , G10L19/06 , G10L19/083 , G10L19/087 , G10L19/09 , G10L19/107 , G10L25/06 , G10L25/78 , G10L2019/0002 , G10L2019/0008 , G10L2019/0016 , G10L2025/783
Abstract: A frame loss compensation processing method and apparatus is presented, where the method includes, when a ith frame is a lost frame, estimating a spectrum frequency parameter, a pitch period, and a gain of the ith frame according to at least one of an inter-frame relationship between first N frames of the ith frame or an intra-frame relationship between first N frames of the ith frame. A parameter of the ith frame is determined using the signal correlation between the first N frames, the signal energy stability between the first N frames, intra-frame signal correlation of each frame, and intra-frame signal energy stability of each frame.
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公开(公告)号：US09761235B2
公开(公告)日：2017-09-12
申请号：US14721606
申请日：2015-05-26
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: G10L19/03 , G10L19/0204 , G10L19/12 , G10L19/26 , G10L19/265 , G10L21/038 , G10L2019/0016
Abstract: An encoding method, a decoding method, an encoding apparatus, a decoding apparatus, a transmitter, a receiver, and a communications system. The encoding method includes: dividing a to-be-encoded time-domain signal into a low band signal and a high band signal; performing encoding on the low band signal to obtain a low frequency encoding parameter; performing encoding on the high band signal to obtain a high frequency encoding parameter, and obtaining a synthesized high band signal; performing short-time post-filtering processing on the synthesized high band signal to obtain a short-time filtering signal; and calculating a high frequency gain based on the high band signal and the short-time filtering signal. A technical solution according to the embodiments of the present invention can improve an encoding and/or decoding effect.
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Patent Agency Ranking
公开(公告)号：US20170078916A1
公开(公告)日：2017-03-16
申请号：US15343880
申请日：2016-11-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Enbo Wang , Min Zhou , Chenghui Peng , Qiyong Zhao , Bin Wang
CPC classification number: H04W28/06 , H04L69/04 , H04L69/08 , H04W52/0212 , H04W88/08 , Y02D70/1224 , Y02D70/1262
Abstract: Embodiments of the present invention relate to the communications field, and provide a data processing method and apparatus, which can resolve a problem of excessively small capacity of a base station for data transmission, and improve capacity of the base station for data transmission. In one embodiment, a base station obtains a wireless data packet, performs protocol conversion on the wireless data packet to generate a transmission data packet, adapts the transmission data packet to generate a standard data packet, compresses and optimizes the standard data packet to generate compressed data, and adds the compressed data to a preset data packet. The present invention is used for data processing.
Abstract translation: 本发明的实施例涉及通信领域，并且提供一种数据处理方法和装置，其可以解决用于数据传输的基站的太小容量的问题，并且提高基站用于数据传输的容量。 在一个实施例中，基站获得无线数据分组，对无线数据分组执行协议转换以生成传输数据分组，使传输数据分组适应生成标准数据分组，压缩并优化标准数据分组以产生压缩 数据，并将压缩数据添加到预设数据包。 本发明用于数据处理。
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公开(公告)号：US20160275955A1
公开(公告)日：2016-09-22
申请号：US15170524
申请日：2016-06-01
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
IPC: G10L19/002 , G10L19/035 , G10L19/02
CPC classification number: G10L19/002 , G10L19/0204 , G10L19/035
Abstract: Present disclosure provide an encoding method and apparatus, which relate to the communications field and can perform proper quantization bit allocation for spectral coefficients of an audio signal, thereby improving quality of a signal obtained by a decoder by means of decoding. The method includes: after splitting spectral coefficients of a current data frame into subbands, acquiring quantized frequency envelope values of the subbands; modifying quantized frequency envelope values of subbands of a first quantity in the subbands; allocating quantization bits to the subbands according to modified quantized frequency envelope values of the subbands of the first quantity; quantizing a spectral coefficient of a subband to which a quantization bit is allocated in the subbands; and writing the quantized spectral coefficient of the subband to which a quantization bit is allocated into a bitstream.
Abstract translation: 本公开提供了一种与通信领域相关的编码方法和装置，并且可以对音频信号的频谱系数执行适当的量化比特分配，从而通过解码来提高由解码器获得的信号的质量。 该方法包括：将当前数据帧的频谱系数分解为子带，获取子带的量化频率包络值; 修改子带中第一数量的子带的量化频率包络值; 根据所述第一数量的子带的经修改的量化频率包络值向所述子带分配量化比特; 量化在子带中分配量化比特的子带的频谱系数; 并将量化位分配给子帧的量化频谱系数写入到比特流中。
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公开(公告)号：US20160196829A1
公开(公告)日：2016-07-07
申请号：US15068908
申请日：2016-03-14
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
IPC: G10L19/087 , G10L19/12
CPC classification number: G10L19/087 , G10L19/12 , G10L21/038 , G10L25/90 , G10L2019/0002 , G10L2025/906
Abstract: The present invention provide a bandwidth extension method and apparatus. The method includes: acquiring a bandwidth extension parameter, where the bandwidth extension parameter includes one or more of the following parameters: a linear predictive coefficient (LPC), a line spectral frequency (LSF) parameter, a pitch period, a decoding rate, an adaptive codebook contribution, and an algebraic codebook contribution; and performing, according to the bandwidth extension parameter, bandwidth extension on a decoded low-frequency signal, to obtain a high frequency band signal. The high frequency band signal recovered by using the bandwidth extension method and apparatus in the embodiments of the present invention is close to an original high frequency band signal, and the quality is satisfactory.
Abstract translation: 本发明提供一种带宽扩展方法和装置。 该方法包括：获取带宽扩展参数，其中带宽扩展参数包括以下参数中的一个或多个：线性预测系数（LPC），线谱频率（LSF）参数，音调周期，解码速率， 自适应码本贡献和代数码本贡献; 并且根据所述带宽扩展参数对解码的低频信号执行带宽扩展，以获得高频带信号。 通过使用本发明的实施例中的带宽扩展方法和装置恢复的高频带信号接近原始的高频带信号，并且质量令人满意。
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39.发明申请Method for Switching Working Mode on Relay Network, Base Station, Relay Node, and Communications System 有权中继网络，基站，中继节点和通信系统切换工作模式的方法公开(公告)号：US20140105078A1
公开(公告)日：2014-04-17
申请号：US14134608
申请日：2013-12-19
Applicant: Huawei Technologies Co., LTD
Inventor： Chongming Zhu , Bin Wang , Liang Xu
CPC classification number: H04W24/02 , H04B7/15 , H04B7/15557 , H04L5/14 , H04W84/047
Abstract: The present invention provides a method for switching a working mode on a relay network, a base station, a relay node, and a communications system. A donor eNB (DeNB) sends an RN reconfiguration message to a relay node RN in frequency division duplex FDD mode, so that the RN switches from the FDD mode to a half-duplex frequency division duplex H-FDD mode. The DeNB receives an acknowledgment message sent by the RN in FDD mode. When the DeNB verifies, according to the RN reconfiguration message and the acknowledgement message, that the RN has already started to switch from the FDD mode to the H-FDD mode, the DeNB switches from the FDD mode to the H-FDD mode.
Abstract translation: 本发明提供了一种在中继网络，基站，中继节点和通信系统上切换工作模式的方法。 供体eNB（DeNB）以频分双工FDD模式向中继节点RN发送RN重新配置消息，使得RN从FDD模式切换到半双工频分双工H-FDD模式。 DeNB在FDD模式下接收RN发送的确认消息。 当DeNB根据RN重新配置消息和确认消息验证RN已经开始从FDD模式切换到H-FDD模式时，DeNB从FDD模式切换到H-FDD模式。
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公开(公告)号：US12218816B2
公开(公告)日：2025-02-04
申请号：US17886739
申请日：2022-08-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu Wang , Hejia Luo , Ying Chen , Rong Li , Bin Wang
IPC: H04W4/00 , H04L43/0864
Abstract: Embodiments of this application provide a timing advance determining method and a communication apparatus, to improve precision of calculating a timing advance (TA) by a terminal, and reduce inter-symbol interference (ISI). The method includes: A first network device determines a first parameter based on a first delay compensation value, where the first delay compensation value is a delay compensation made by the first network device for receiving a signal sent by a terminal, the first parameter indicates a difference between a round-trip delay of a feeder link in a non-terrestrial network NTN and the first delay compensation value, and the difference is used to determine a TA used by the terminal for signal sending; and the first network device sends the first parameter.
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