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Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
704200000 SPEECH SIGNAL PROCESSING 4012
704001000 LINGUISTICS 1769
704500000 AUDIO SIGNAL BANDWIDTH COMPRESSION OR EXPANSION 761
704503000 AUDIO SIGNAL TIME COMPRESSION OR EXPANSION (E.G., RUN LENGTH CODING) 41

Patent applications in class Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression

Patent applications in all subclasses Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression