Analysis of information sources in references of the Wikipedia article "MPEG-4 Phần 14" in Vietnamese language version.
|journal= (trợ giúp)|journal= (trợ giúp)|journal= (trợ giúp)|journal= (trợ giúp)MP4 metadata can contain various details about the file author, the software used in its creation, and the time and date in which it was created. The metadata can also be structured in XMP format.
|journal= (trợ giúp)|journal= (trợ giúp)|journal= (trợ giúp)|journal= (trợ giúp)