| Subject | English | Thesaurus |
| IT, abbr. | Non-RealTime Variable Bit Rate | nrt-VBR (VBR, ATM, BIT) |
| IT, abbr. | Non-RealTime Variable Bit Rate | NRTVBR (VBR, ATM, BIT) |
| IT, abbr. | RealTime Variable Bit Rate | rt-VBR (VBR, ATM, BIT) |
| IT, abbr. | RealTime Variable Bit Rate | RTVBR (VBR, ATM, BIT) |