M4V是一种应用(yòng )于网络视频点播网站(zhàn )和移动手持(chí )设备的(de )视(shì )频(pín )格(gé )式(shì ),是(shì )MP4格式(shì )的一种特(tè )殊(shū )类型(xíng ),其后缀常为MP4或M4V,其视(shì )频编(biān )码采用(yòng )H264,音频(pín )编码采(cǎi )用AACM4V 是(shì )一(yī )个标(biāo )准视频文(wén )件格式(shì ),由苹果公司创造此种格(gé )式为 iPod
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