METHOD FOR DETERMINING AUDIO CODING/DECODING MODE AND RELATED PRODUCT

    公开(公告)号:US20200176001A1

    公开(公告)日:2020-06-04

    申请号:US16785274

    申请日:2020-02-07

    Abstract: A method for determining an audio coding mode and a related apparatus are provided. The method may include: determining a channel combination scheme for a current frame, where the determined channel combination scheme for the current frame is one of a plurality of channel combination schemes; and determining a coding mode of the current frame based on a channel combination scheme for a previous frame and the channel combination scheme for the current frame, where the coding mode of the current frame is one of a plurality of coding modes. The technical solutions provided in embodiments of this application help improve encoding quality.

    TIME-DOMAIN STEREO ENCODING AND DECODING METHOD AND RELATED PRODUCT

    公开(公告)号:US20200176000A1

    公开(公告)日:2020-06-04

    申请号:US16785174

    申请日:2020-02-07

    Abstract: An audio encoding and decoding method and a related apparatus are provided. The audio encoding method may include: determining a coding mode of a current frame; when determining that the coding mode of the current frame is an anticorrelated signal coding mode, performing time-domain downmix processing on left and right channel signals in the current frame by using a time-domain downmix processing manner corresponding to the anticorrelated signal coding mode, to obtain a primary channel signal and a secondary channel signal, where the time-domain downmix processing manner corresponding to the anticorrelated signal coding mode is a time-domain downmix processing manner corresponding to an anticorrelated signal channel combination scheme, and the anticorrelated signal channel combination scheme is a channel combination scheme corresponding to a near out of phase signal; and encoding the obtained primary channel signal and secondary channel signal in the current frame.

    Method And Apparatus For Recovering Lost Frames

    公开(公告)号:US20190251980A1

    公开(公告)日:2019-08-15

    申请号:US16396253

    申请日:2019-04-26

    Abstract: The present disclosure relates methods and apparatus for recovering a lost frame in a received audio signal. One example method includes obtaining an initial high-frequency band signal of a current lost frame in the received audio signal, calculating a ratio R, where the ratio R is a ratio of a high frequency excitation energy of a previous frame of the current lost frame to a high frequency excitation energy of the current lost frame, obtaining a global gain of the current lost frame according to the ratio R and a global gain of the previous frame of the current lost frame, and recovering a high-frequency band signal of the current lost frame according to the initial high-frequency band signal of the current lost frame and the global gain of the current lost frame.

    PROTOCOL STACK ADAPTATION METHOD AND APPARATUS
    14.
    发明申请
    PROTOCOL STACK ADAPTATION METHOD AND APPARATUS 审中-公开
    协议栈适应方法和设备

    公开(公告)号:US20170078917A1

    公开(公告)日:2017-03-16

    申请号:US15362475

    申请日:2016-11-28

    Abstract: Disclosed are a protocol stack adaptation method and apparatus, where a network transmission optimization technology can be deployed in a wireless network, thereby optimizing a wireless transmission network. The method includes acquiring a first wireless transmission protocol packet, and detecting, by using a first preset detection rule, whether the first wireless transmission protocol packet carries user data. If the first wireless transmission protocol packet carries user data, the method includes adapting the first wireless transmission protocol packet to a corresponding first standard Internet Protocol (IP) data packet; sending the first standard IP data packet to a network transmission optimization (NTO) device; receiving a second standard IP data packet sent by the NTO device; and, adapting the second standard IP data packet to a corresponding second wireless transmission protocol packet.

    Abstract translation: 公开了一种协议栈适配方法和装置,其中可以在无线网络中部署网络传输优化技术,从而优化无线传输网络。 该方法包括获取第一无线传输协议分组,并且通过使用第一预设检测规则来检测第一无线传输协议分组是否携带用户数据。 如果第一无线传输协议分组携带用户数据,则该方法包括:将第一无线传输协议分组适配到相应的第一标准因特网协议(IP)数据分组; 将第一标准IP数据包发送到网络传输优化(NTO)设备; 接收由NTO设备发送的第二标准IP数据包; 以及将所述第二标准IP数据分组适配到相应的第二无线传输协议分组。

    ROUTE SELECTION METHOD AND RELATED DEVICE
    15.
    发明公开

    公开(公告)号:US20240356839A1

    公开(公告)日:2024-10-24

    申请号:US18762115

    申请日:2024-07-02

    CPC classification number: H04L45/34 H04L45/24 H04L45/745

    Abstract: This application discloses a route selection method and a related device. A control entity determines first metric information of a first segment routing (SR) path, generates a first border gateway protocol (BGP) update message including the first metric information, and sends the first BGP update message to an ingress node of the first SR path, where the first metric information represents quality of the first SR path, the first metric information is used for route selection on a plurality of paths, each of the plurality of paths has a same IP prefix of a destination node, and the plurality of paths include the first SR path. According to the method, the control entity can send, to the ingress node of the SR path by using the BGP update message, the metric information that represents the quality of the SR path.

    COMMUNICATION APPARATUS AND SYSTEM
    16.
    发明公开

    公开(公告)号:US20230223685A1

    公开(公告)日:2023-07-13

    申请号:US18180881

    申请日:2023-03-09

    CPC classification number: H01Q3/34 H01P1/213 H01P5/12 H04B7/0408 H04B7/0617

    Abstract: A communication apparatus includes a phase shifter, an input port, and an output port. The phase shifter includes a first structure that includes a first phase difference coupler, a second phase difference coupler, a first, second, third, fourth, a fifth and a sixth phase shifter, a cross coupler, a first combiner, and a second combiner. The first phase difference coupler is coupled to the third and fourth phase shifter, and is further coupled to the cross coupler and the first combiner. The second phase difference coupler is coupled to the fifth and sixth phase shifter, and is further coupled to the second phase shifter and the second combiner. A second output port of the first phase difference coupler is coupled to a first input port of the cross coupler. A first output port of the second phase difference coupler is coupled to an input port of the second phase shifter.

    AUDIO RENDERING METHOD AND APPARATUS

    公开(公告)号:US20230089225A1

    公开(公告)日:2023-03-23

    申请号:US18059025

    申请日:2022-11-28

    Abstract: This application discloses an audio rendering method and apparatus. The method includes: obtaining a to-be-rendered audio signal; determining K first combined HRTFS based on K first HRTFs and K second HRTFs; determining K second combined HRTFs based on K third HRTFs and K fourth HRTFs; determining a first target rendered signal based on the K first combined HRTFs and the to-be-rendered audio signal, where the first target rendered signal is a rendered signal output to the left ear of a listener; and determining a second target rendered signal based on the K second combined HRTFs and the to-be-rendered audio signal, where the second target rendered signal is a rendered signal output to the right ear of the listener.

    GATEWAY DEVICE
    18.
    发明申请

    公开(公告)号:US20220368119A1

    公开(公告)日:2022-11-17

    申请号:US17635647

    申请日:2020-08-03

    Abstract: This application provides a gateway device. The gateway device may include a base and a cable waterproof structure disposed on the base, the base includes at least one network interface, and the cable waterproof structure includes a cable plugged into the network interface and a cover that covers the network interface. The cable includes a cable body and a network interface plug fastened to an end portion of the cable body. A sealing member is disposed at a joint between the cable body and the network interface plug. A threading hole through which the cable is threaded is disposed in the cover, and the sealing member is attached to the threading hole through interference fit. Effective waterproof for the cable can be implemented through interference fit between the sealing member and the threading hole of the cover.

    COMMUNICATION NETWORK SEARCH METHOD AND APPARATUS

    公开(公告)号:US20220110049A1

    公开(公告)日:2022-04-07

    申请号:US17542067

    申请日:2021-12-03

    Abstract: A communication network search method and an apparatus are disclosed. The method can include a terminal device sending a first message to a network device, where the first message includes a communication network type of the terminal device and first location information that is used during the sending of the first message. The terminal device receives a second message sent by the network device, where the second message includes N cell identifiers that are used to mark N pre-selected cells, which are determined by the network device based on the first location information and the communication network type. The terminal device determines M target cells in the N pre-selected cells based on second location information and motion status information that are used during the receiving of the second message. The terminal device searches for the M target cells.

    AUDIO PROCESSING METHOD AND APPARATUS

    公开(公告)号:US20210176583A1

    公开(公告)日:2021-06-10

    申请号:US17179619

    申请日:2021-02-19

    Abstract: An audio processing method includes: M audio signals are obtained by processing an audio signal by M virtual speakers; M first HRTFs and M second HRTFs are obtained, where the M first HRTFs corresponding to a left ear position, and the M second HRTFs corresponding to a right ear position; high-band impulse responses of some of the M first HRTFs are modified to obtain modified first target HRTFs, and high-band impulse responses of some of the M second HRTFs are modified to obtain modified second target HRTFs; a first target audio signal corresponding to the left ear position is obtained based on the modified first target HRTFs and un-modified first HRTFs, and the M audio signals; and a second target audio signal corresponding to the right ear position is obtained based on the modified second HRTFs, un-modified second target HRTFs, and the M audio signals.

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