| 704 / | HD | DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION |
| 200 | DF | SPEECH SIGNAL PROCESSING {4} |
| 270 | ![]() | .~ Application {8} |
| 271 | DF | .~.~> Handicap aid |
| 272 | DF | .~.~> Novelty item |
| 273 | DF | .~.~> Security system |
| 274 | DF | .~.~> Warning/alarm system |
| 275 | DF | .~.~> Speech controlled system |
| 276 | DF | .~.~> Pattern display |
| 277 | DF | .~.~> Translation |
| 278 | DF | .~.~> Sound editing |