发现大多数平台美颜直播的码率都很低 - V2EX
wsseo

发现大多数平台美颜直播的码率都很低

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  •   wsseo Jun 26, 2020 3270 views
    This topic created in 2145 days ago, the information mentioned may be changed or developed.
    都在 2000Kbps 左右,效果不好,脸上一片白。同样的码率,抖音短视频的观感比抖音直播好,人物看起来更真实,更有层次。不知道国外平台怎么样。
    6 replies    2020-06-27 12:56:40 +08:00
    xwhxbg
        1
    xwhxbg  
       Jun 26, 2020   1
    算力不够吧,要同时美颜+压缩
    cskeleton
        2
    cskeleton  
       Jun 27, 2020 via iPhone   1
    画质高了那些暴力磨皮的美颜看起来岂不是就更假了。我觉得画质低倒是个优势。
    正好前几天随机翻了下 Twitch 的游戏主播,码率也并没有特别高,大多都在 8Mbps 的 1080P60
    heiheidewo
        3
    heiheidewo  
       Jun 27, 2020
    直播需要考虑观众端弱网卡顿等一系列问题,点播就是怎么高清怎么来了
    delectate
        4
    delectate  
       Jun 27, 2020
    低码率本身就自带美颜效果。
    huweic
        5
    huweic  
       Jun 27, 2020 via Android
    其实就是一个问题,不是所有人都有良好的网络环境,可以不清晰但不能卡,另外带宽也是要钱的
    systemcall
        6
    systemcall  
       Jun 27, 2020
    和网络接入能力有关系吧
    2000Kbps,比较容易实现。考虑到有相当多的设备是 1x1 mimo WiFi4,20mhz 下的带宽是 72Mbps,考虑到距离之类的因素实际上达到 10000Kbps 没多大问题。老一点的设备可能是 11b/g 的,1x1 mimo,20mhz 应该是 54Mbps,不清楚这种活化石有多少存量,卖家宽的应该知道。2000kbps 比较保险,速度快了时间稍微长点活化石就死了
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