M4V是一种应(yīng )用于网(wǎng )络视(shì )频点(diǎn )播网站和移动手(shǒu )持设备的(de )视(shì )频(pín )格式(shì ),是MP4格式(shì )的(de )一(yī )种特殊(shū )类(lèi )型,其后缀常为MP4或M4V,其视频编(biān )码(mǎ )采用(yòng )H264,音频编码采用(yòng )AACM4V 是一个标准视频文(wén )件格(gé )式,由苹(píng )果(guǒ )公(gōng )司创造(zào )此(cǐ )种格式(shì )为 iPod
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