| 348 / | HD | TELEVISION |
| 384 | DF | BANDWIDTH REDUCTION SYSTEM {7} |
| 390 | DF | .~ Bit-rate reduction {11} |
| 845 | ![]() | .~.~ Associated signal processing {3} |
| 845.1 | DF | .~.~.~> Involving error detection or correction |
| 845.2 | DF | .~.~.~> Involving signal formatting |
| 845.3 | DF | .~.~.~> Involving synchronization |