| filename extensions | art-335 |
| mp21 | |
| TechTarget file types | art-336 | MP21-AXMEDIS-MPEG-21-File-AxMediaTech-S-R-L |
| TechTarget file types | art-336 | MP21-AXMEDIS-MPEG-21-Object |
| TechTarget file types | art-336 | MP21-MPEG-21-Multimedia-File |
| English | eng-000 | AXMEDIS MPEG -21 File |
| English | eng-000 | AXMEDIS MPEG -21 Object |
| English | eng-000 | MPEG -21 Multimedia File |
| English | eng-000 | MPEG-21 Multimedia File |