| 704 / | HD | DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION |
| 200 | DF | SPEECH SIGNAL PROCESSING {4} |
| 201 | DF | .~ For storage or transmission {12} |
| 211 | DF | .~.~ Time {5} |
| 216 | DF | .~.~.~ Correlation function {2} |
| 217 | ![]() | .~.~.~.~ Autocorrelation |