M4V是(shì )一种应用于(yú )网(wǎng )络视频(pín )点播(bō )网(wǎng )站和(hé )移动手持设(shè )备的视频格式(shì ),是MP4格式的(de )一(yī )种特殊类型,其(qí )后(hòu )缀常为MP4或M4V,其(qí )视(shì )频编(biān )码采(cǎi )用(yòng )H264,音频编码采用AACM4V 是一(yī )个标准视(shì )频文(wén )件格(gé )式,由苹果(guǒ )公司创(chuàng )造(zào )此种格式(shì )为 iPod
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