3G2
From Just Solve the File Format Problem
3G2 (or "3GPP2 file format") is a video or audio container format from the Third Generation Partnership Project (3GPP), intended for use on mobile devices. It is related to 3GP, but with some extensions and limitations that differ from that format.
It is based on MPEG-4 Part 12.
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Identification
3G2 files can be identified by the presence of a 3G2 brand in the "ftyp" box (see boxes/atoms format for information about brands). The following brands are known:
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3g2a(Release 0) -
3g2b(Release A) -
3g2c(Release B)
