M4V是(shì )一种应用于网络视频(pín )点(diǎn )播网站(zhàn )和(hé )移(yí )动手持设(shè )备(bèi )的视频格(gé )式,是MP4格式的一种(zhǒng )特(tè )殊(shū )类型,其后缀(zhuì )常为MP4或M4V,其(qí )视频编码采(cǎi )用H264,音(yīn )频(pín )编码采用AACM4V 是一个标(biāo )准视频文件(jiàn )格式,由苹(píng )果公司创(chuàng )造(zào )此(cǐ )种格(gé )式为 iPod
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