知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

25 records (took 0.021 seconds)

    Video stream switching method, apparatus, and system
    11.
    发明授权
    Video stream switching method, apparatus, and system 有权

    公开(公告)号：US11212563B2

    公开(公告)日：2021-12-28

    申请号：US17197156

    申请日：2021-03-10

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Jie Xiong ,  Jinhui Zhang ,  Ji Li ,  Zhigui Chen

    IPC: H04N21/236 ,  H04N21/234 ,  H04N21/438 ,  H04N21/44

    Abstract: A video stream switching method includes receiving, by transmission device, a plurality of video streams of a first video and a plurality of video streams of a second video, sending the video streams of the first video through target output ports respectively corresponding to the video streams of the first video, after receiving a switching instruction, determining switching reference information of a reference end-of-frame packet of each video stream of the first video and the second video, determining switching reference information of a switching packet of the video stream, and switching from the video streams of the first video to the video streams of the second video based on the switching reference information of the switching packet of each video stream.

    Audio Stream and Video Stream Synchronous Switching Method and Apparatus
    12.
    发明申请
    Audio Stream and Video Stream Synchronous Switching Method and Apparatus 有权

    公开(公告)号：US20210377458A1

    公开(公告)日：2021-12-02

    申请号：US17402110

    申请日：2021-08-13

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Jie Xiong ,  Jinhui Zhang ,  Chao Liu

    IPC: H04N5/268 ,  G10L25/57 ,  H04N21/43 ,  H04N21/242 ,  H04N21/8547

    Abstract: A switching device determines a video parameter value of a switching point of a first video stream, and determines a video parameter value of a switching point of a second video stream. The video parameter value includes a timestamp and/or a sequence number. The switching device determines an audio parameter value of a switching point of a first audio stream based on a timestamp of the switching point of the first video stream, and determines an audio parameter value of a switching point of a second audio stream based on a timestamp of the switching point of the second video stream. The audio parameter value includes a timestamp and/or a sequence number. The switching device performs switching based on determined switching points.

    METHOD, APPARATUS, AND SYSTEM FOR MONITORING QUALITY OF OTT VIDEO
    14.
    发明申请
    METHOD, APPARATUS, AND SYSTEM FOR MONITORING QUALITY OF OTT VIDEO 审中-公开
    用于监控OTT视频质量的方法，装置和系统

    公开(公告)号：US20160073105A1

    公开(公告)日：2016-03-10

    申请号：US14943949

    申请日：2015-11-17

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Jinhui Zhang ,  Youqing Yang ,  Lu Zhang

    IPC: H04N17/00

    CPC classification number: H04L41/5067 ,  H04L65/4084 ,  H04L65/605 ,  H04L65/80 ,  H04N17/004 ,  H04N21/2402 ,  H04N21/44204 ,  H04N21/44209

    Abstract: The present invention discloses a method, an apparatus, and a system for monitoring quality of an OTT video, which can implement monitoring of quality of an OTT video in a convenient manner. An OTT video monitoring apparatus intercepts a message sent by an OTT video terminal to an OTT video source for requesting to watch an OTT video; sends a response message to the OTT video terminal, where the response message carries a monitoring instruction, so that the OTT video terminal obtains identifier information of the OTT video according to the monitoring instruction; the OTT video monitoring apparatus obtains the identifier information of the OTT video from the OTT video terminal; and monitors quality of the OTT video according to the identifier information of the OTT video.

    Abstract translation: 本发明公开了一种用于监视OTT视频质量的方法，装置和系统，其可以以便利的方式实现对OTT视频质量的监控。 OTT视频监控装置拦截由OTT视频终端发送到OTT视频源的消息，用于请求观看OTT视频; 向OTT视频终端发送响应消息，其中响应消息携带监视指令，使得OTT视频终端根据监控指令获取OTT视频的标识符信息; OTT视频监控装置从OTT视频终端获取OTT视频的标识信息; 并根据OTT视频的标识信息监视OTT视频的质量。

    Human-Computer Interaction Method and Electronic Device
    16.
    发明申请
    Human-Computer Interaction Method and Electronic Device 有权

    公开(公告)号：US20210383798A1

    公开(公告)日：2021-12-09

    申请号：US17284122

    申请日：2018-10-10

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Qing Zhang ,  Jinhui Zhang ,  Yibo Zhang

    IPC: G10L15/18 ,  G06F16/332 ,  G06F40/279 ,  G06F40/30

    Abstract: This application relates to the field of communications technologies, and provides a human-computer interaction method and an electronic device, to help accurately recognize a user intention, meet a user requirement, and improve user experience. The method specifically includes: In a human-computer dialog interaction process, when a server performs slot extraction on user discourse, if there is a slot corresponding to which information fails to be extracted and the slot is an optional key slot, the server asks the user a question, to determine whether the information corresponding to the slot is necessary. If the information is necessary, the server further extracts the information corresponding to the slot. If the information is unnecessary, the server does not extract the information corresponding to the slot.

    METHOD, APPARATUS, AND SYSTEM FOR IMPLEMENTING VIDEO STREAM SWITCHING
    17.
    发明申请
    METHOD, APPARATUS, AND SYSTEM FOR IMPLEMENTING VIDEO STREAM SWITCHING 有权

    公开(公告)号：US20210176408A1

    公开(公告)日：2021-06-10

    申请号：US17180568

    申请日：2021-02-19

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Jinhui Zhang ,  Jie Xiong ,  Ji Li ,  Wenbin Liu

    IPC: H04N5/268 ,  H04N5/38

    Abstract: Disclosed are a method, an apparatus, and a system for implementing video stream switching. The method can determine switching reference information of a first reference frame trailer packet of a first video stream and switching reference information of a second reference frame trailer packet of a second video stream, when receiving a switching instruction; and switch from the first video stream sent through the target egress port to the second video stream based on the switching reference information of the first switching packet and the switching reference information of the second switching packet. Because locations of data packets sent before and after switching are considered during video stream switching, damage caused by a switching operation to a transmitted video image can be effectively reduced.

    Media data live broadcast method, device, and system
    18.
    发明授权
    Media data live broadcast method, device, and system 有权

    公开(公告)号：US10205971B2

    公开(公告)日：2019-02-12

    申请号：US15809074

    申请日：2017-11-10

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Qikun Wei ,  Jinhui Zhang ,  Jinwei Xia

    IPC: H04N7/173 ,  H04N21/222 ,  H04L12/18 ,  H04L29/06 ,  H04N21/2187 ,  H04N21/2343 ,  H04N21/6405 ,  H04N21/643

    Abstract: A media data live broadcast method, a device, and a system. An over the top (OTT) live proxy server device includes a processor and non-transitory computer-readable storage medium storing instructions for allocating a multicast resource to a specified channel according to a media description and resource allocation indication of the channel instructing the OTT live proxy server to allocate the multicast resource to the specified channel, the media description including at least one resolution of the specified channel and a uniform resource locator corresponding to resolution media data, and the multicast resource including a multicast group corresponding to the specified channel, obtaining, from an OTT server to which the specified channel belongs according to the media description of the specified channel, the resolution media data, converting the media data into multicast media data, and sending the multicast media data to the multicast group in a multicast manner.

    Method, apparatus, and system for implementing video stream switching
    20.
    发明授权
    Method, apparatus, and system for implementing video stream switching 有权

    公开(公告)号：US11483495B2

    公开(公告)日：2022-10-25

    申请号：US17180568

    申请日：2021-02-19

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Jinhui Zhang ,  Jie Xiong ,  Ji Li ,  Wenbin Liu

    IPC: H04N5/268 ,  H04N5/38

    Abstract: Disclosed are a method, an apparatus, and a system for implementing video stream switching. The method can determine switching reference information of a first reference frame trailer packet of a first video stream and switching reference information of a second reference frame trailer packet of a second video stream, when receiving a switching instruction; and switch from the first video stream sent through the target egress port to the second video stream based on the switching reference information of the first switching packet and the switching reference information of the second switching packet. Because locations of data packets sent before and after switching are considered during video stream switching, damage caused by a switching operation to a transmitted video image can be effectively reduced.

Patent Agency Ranking