M4V是一(yī )种(zhǒng )应用于网络(luò )视频点(diǎn )播网站和移(yí )动(dòng )手(shǒu )持(chí )设备的视(shì )频格式,是(shì )MP4格式(shì )的(de )一种特殊(shū )类型(xíng ),其后(hòu )缀常为MP4或M4V,其视频编码采(cǎi )用H264,音频编码(mǎ )采用(yòng )AACM4V 是一个标(biāo )准(zhǔn )视频文件格(gé )式,由(yóu )苹(píng )果公(gōng )司创造此种格(gé )式为 iPod
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