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  • ffmpeg里面涉及到声道的相关知识

    相关知识各个声道的名称

    https://trac.ffmpeg.org/wiki/AudioChannelManipulation
    ffmpeg -layouts
    打印声道名称
    Individual channels:
    NAME DESCRIPTION
    FL front left
    FR front right
    FC front center
    LFE low frequency
    BL back left
    BR back right
    FLC front left-of-center
    FRC front right-of-center
    BC back center
    SL side left
    SR side right
    TC top center
    TFL top front left
    TFC top front center
    TFR top front right
    TBL top back left
    TBC top back center
    TBR top back right
    DL downmix left
    DR downmix right
    WL wide left
    WR wide right
    SDL surround direct left
    SDR surround direct right
    LFE2 low frequency 2

    Standard channel layouts:
    NAME DECOMPOSITION
    mono FC
    stereo FL+FR
    2.1 FL+FR+LFE
    3.0 FL+FR+FC
    3.0(back) FL+FR+BC
    4.0 FL+FR+FC+BC
    quad FL+FR+BL+BR
    quad(side) FL+FR+SL+SR
    3.1 FL+FR+FC+LFE
    5.0 FL+FR+FC+BL+BR
    5.0(side) FL+FR+FC+SL+SR
    4.1 FL+FR+FC+LFE+BC
    5.1 FL+FR+FC+LFE+BL+BR
    5.1(side) FL+FR+FC+LFE+SL+SR
    6.0 FL+FR+FC+BC+SL+SR
    6.0(front) FL+FR+FLC+FRC+SL+SR
    hexagonal FL+FR+FC+BL+BR+BC
    6.1 FL+FR+FC+LFE+BC+SL+SR
    6.1(back) FL+FR+FC+LFE+BL+BR+BC
    6.1(front) FL+FR+LFE+FLC+FRC+SL+SR
    7.0 FL+FR+FC+BL+BR+SL+SR
    7.0(front) FL+FR+FC+FLC+FRC+SL+SR
    7.1 FL+FR+FC+LFE+BL+BR+SL+SR
    7.1(wide) FL+FR+FC+LFE+BL+BR+FLC+FRC
    7.1(wide-side) FL+FR+FC+LFE+FLC+FRC+SL+SR
    octagonal FL+FR+FC+BL+BR+BC+SL+SR
    hexadecagonal FL+FR+FC+BL+BR+BC+SL+SR+TFL+TFC+TFR+TBL+TBC+TBR+WL+WR
    downmix DL+DR

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  • 原文地址:https://www.cnblogs.com/yuandaozhe/p/15192970.html
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