M4V是一(yī )种应(yīng )用于网络视频点播网站(zhàn )和移动手持(chí )设(shè )备(bèi )的视频格式,是MP4格式的一(yī )种特(tè )殊类型(xíng ),其后(hòu )缀常为MP4或M4V,其视频(pín )编(biān )码采(cǎi )用H264,音(yīn )频编码(mǎ )采(cǎi )用AACM4V 是一个标准(zhǔn )视(shì )频(pín )文(wén )件(jiàn )格(gé )式,由(yóu )苹果公(gōng )司创造此种格(gé )式为 iPod
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