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} |
205 | DF | .~.~ Frequency {1} |
206 | DF | .~.~.~ Specialized information {3} |
207 | .~.~.~.~ Pitch {1} | |
208 | DF | .~.~.~.~.~> Voiced or unvoiced |