US Patent Class 704
DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
1  DF  LINGUISTICS {4}
200  DF  SPEECH SIGNAL PROCESSING {4}
500  DF  AUDIO SIGNAL BANDWIDTH COMPRESSION OR EXPANSION {2}
503  DF  AUDIO SIGNAL TIME COMPRESSION OR EXPANSION (E.G., RUN LENGTH CODING) {1}