Error Detection and Mitigation in Video Channels
    1.
    发明申请
    Error Detection and Mitigation in Video Channels 审中-公开
    视频通道中的错误检测和缓解

    公开(公告)号:US20150326884A1

    公开(公告)日:2015-11-12

    申请号:US14275692

    申请日:2014-05-12

    CPC classification number: H04N19/895 H04N19/172 H04N19/182 H04N19/65

    Abstract: A system for detecting and mitigating bit errors in transmitted media is described herein. A source device encodes a frame of video, and generates an error code representative of a portion of the encoded frame of video. The portion of encoded frame and the error code are provided to a sink device via a communication channel, such as an HDMI or MHL3 channel. A second error code is generated by the sink device based on the portion of encoded frame, and the error code and second error code are compared to determine if the portion of encoded frame includes an error. If no error is detected, the portion of encoded frame is decoded and outputted. If an error is detected, the portion is replaced with frame data based on at least one other portion of encoded frame to produce a mitigated frame, and the mitigated frame is outputted.

    Abstract translation: 本文描述了用于检测和减轻传输介质中的位错误的系统。 源设备对视频帧进行编码,并产生代表编码的视频帧的一部分的错误代码。 编码帧的部分和错误代码经由诸如HDMI或MHL3信道的通信信道提供给宿设备。 基于编码帧的部分由宿设备生成第二错误代码,并比较错误代码和第二错误代码以确定编码帧的部分是否包括错误。 如果没有检测到错误,编码帧的部分被解码并输出。 如果检测到错误,则基于编码帧的至少一个其他部分将该部分替换为帧数据,以产生缓解的帧,并且输出缓和的帧。

    Mechanism for facilitating dynamic timestamp-less clock generation for transmitting media streams over shared channels
    2.
    发明授权
    Mechanism for facilitating dynamic timestamp-less clock generation for transmitting media streams over shared channels 有权
    用于促进通过共享信道传输媒体流的动态无时钟时钟生成的机制

    公开(公告)号:US08832338B2

    公开(公告)日:2014-09-09

    申请号:US13736765

    申请日:2013-01-08

    CPC classification number: H04N21/4305

    Abstract: A mechanism for facilitating dynamic timestamp-less clock generation for transmitting media streams over shared channels is described. In one embodiment, a method includes periodically counting and producing, at a first media device, a number of audio/video (“A/V”) samples, generating a pace clock based on the number of A/V samples, generating a target clock based on the pace clock, and transmitting an A/V media stream based on a frequency difference between a pace frequency relating to the pace clock and a target frequency relating to the target clock.

    Abstract translation: 描述了一种用于促进通过共享信道传输媒体流的动态无时钟时钟生成的机制。 在一个实施例中,一种方法包括在第一媒体设备周期性地计数和产生多个音频/视频(“A / V”)采样,基于A / V采样的数量产生步速时钟,产生目标 基于步速时钟的时钟,并且基于与起搏时钟相关的起搏频率和与目标时钟相关的目标频率之间的频率差发送A / V媒体流。

    MECHANISM FOR FACILITATING DYNAMIC TIMESTAMP-LESS CLOCK GENERATION FOR TRANSMITTING MEDIA STEAMS OVER SHARED CHANNELS
    3.
    发明申请
    MECHANISM FOR FACILITATING DYNAMIC TIMESTAMP-LESS CLOCK GENERATION FOR TRANSMITTING MEDIA STEAMS OVER SHARED CHANNELS 有权
    促进动态时间不变时钟发生的机制,用于在共享信道上传输媒体文件

    公开(公告)号:US20140192264A1

    公开(公告)日:2014-07-10

    申请号:US13736765

    申请日:2013-01-08

    CPC classification number: H04N21/4305

    Abstract: A mechanism for facilitating dynamic timestamp-less clock generation for transmitting media streams over shared channels is described. In one embodiment, a method includes periodically counting and producing, at a first media device, a number of audio/video (“A/V”) samples, generating a pace clock based on the number of A/V samples, generating a target clock based on the pace clock, and transmitting an A/V media stream based on a frequency difference between a pace frequency relating to the pace clock and a target frequency relating to the target clock.

    Abstract translation: 描述了一种用于促进通过共享信道传输媒体流的动态无时钟时钟生成的机制。 在一个实施例中,一种方法包括在第一媒体设备周期性地计数和产生多个音频/视频(“A / V”)采样,基于A / V采样的数量产生步速时钟,产生目标 基于步速时钟的时钟,并且基于与起搏时钟相关的起搏频率和与目标时钟相关的目标频率之间的频率差发送A / V媒体流。

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