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Class Information
Number: 704/200
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing
Description: Subject matter wherein the system performs operations or functions on signals which represent speech










Sub-classes under this class:

Class Number Class Name Patents
704/270 Application 2,823
704/201 For storage or transmission 953
704/200.1 Psychoacoustic 590
704/231 Recognition 1,343
704/258 Synthesis 939


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
4400786 Elevator system with speech synthesizer for audible information Aug. 23, 1983
4398258 Malfunction procedure indicating system and method Aug. 9, 1983
4171467 Signal multiplexing circuit Oct. 16, 1979
4124773 Audio storage and distribution system Nov. 7, 1978
4076960 CCD speech processor Feb. 28, 1978
4071716 Dictation system Jan. 31, 1978
4053840 Band compression device Oct. 11, 1977
3947827 Digital storage system for high frequency signals Mar. 30, 1976

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