Frame error concealment method and apparatus, and audio decoding method and apparatus

    公开(公告)号:US09520136B2

    公开(公告)日:2016-12-13

    申请号:US15061590

    申请日:2016-03-04

    CPC classification number: G10L19/005 G10L19/0204 G10L19/22

    Abstract: Disclosed are a frame error concealment method and apparatus and an audio decoding method and apparatus. The frame error concealment (FEC) method includes: selecting an FEC mode based on at least one of a state of at least one frame and a phase matching flag, with regard to a time domain signal generated after time-frequency inverse transform processing; and performing corresponding time domain error concealment processing on the current frame based on the selected FEC mode, wherein the current frame is an error frame or the current frame is a normal frame when the previous frame is an error frame.

    Frame error concealment method and apparatus, and audio decoding method and apparatus
    74.
    发明授权
    Frame error concealment method and apparatus, and audio decoding method and apparatus 有权
    帧错误隐藏方法和装置,以及音频解码方法和装置

    公开(公告)号:US09280975B2

    公开(公告)日:2016-03-08

    申请号:US14035026

    申请日:2013-09-24

    CPC classification number: G10L19/005 G10L19/0204 G10L19/22

    Abstract: Disclosed are a frame error concealment method and apparatus and an audio decoding method and apparatus. The frame error concealment (FEC) method includes: selecting an FEC mode based on at least one of a state of at least one frame and a phase matching flag, with regard to a time domain signal generated after time-frequency inverse transform processing; and performing corresponding time domain error concealment processing on the current frame based on the selected FEC mode, wherein the current frame is an error frame or the current frame is a normal frame when the previous frame is an error frame.

    Abstract translation: 公开了一种帧错误隐藏方法和装置以及音频解码方法和装置。 帧错误隐藏(FEC)方法包括:关于在时间 - 频率逆变换处理之后产生的时域信号,基于至少一个帧的状态和相位匹配标志中的至少一个来选择FEC模式; 以及基于所选择的FEC模式对当前帧执行相应的时域错误隐藏处理,其中当前帧是错误帧或者当前帧是错误帧时,当前帧是正常帧。

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