M4V是(shì )一(yī )种应用(yòng )于(yú )网络视频点播网站(zhàn )和(hé )移动手持(chí )设备的视频(pín )格(gé )式,是MP4格式的一种(zhǒng )特殊类型(xíng ),其后缀(zhuì )常为MP4或(huò )M4V,其视频编码(mǎ )采用(yòng )H264,音频编码(mǎ )采用(yòng )AACM4V 是一个标准视(shì )频文件(jiàn )格式,由苹果公司(sī )创(chuàng )造此(cǐ )种格(gé )式(shì )为 iPod
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