M4V是(shì )一种应(yīng )用(yòng )于网(wǎng )络(luò )视(shì )频(pín )点播(bō )网站和移动手持(chí )设(shè )备的视(shì )频格(gé )式(shì ),是MP4格式的一种(zhǒng )特殊类型(xíng ),其后缀(zhuì )常为MP4或(huò )M4V,其(qí )视频编(biān )码采用H264,音频编码采(cǎi )用AACM4V 是一个标准(zhǔn )视频文件格式,由苹果公司(sī )创造(zào )此种格(gé )式(shì )为 iPod
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