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首先,我们先来做一道简单的数学题:
我们来简单地算一算:4K,即 4096×2160≈880 万个像素,假定每个像素 3 字节,因为帧率为 60,可推算出一段这的视频素材一秒钟占大约 1584 MB。然而,经过实测,我们平时看到的视频每秒大约 8-9 MB,比之前小得多,这就是视频压缩的功劳,而视频压缩中最重要的 ...
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