Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate
2002-07-31
2009-02-03
Chawan, Vijay B (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
C704S270000, C704S275000, C704S251000, C704S228000, C704S233000
Reexamination Certificate
active
07487084
ABSTRACT:
A testing arrangement provided for speech recognition systems in vehicles. Preferably included are a “mobile client” secured in the vehicle and driven around at a desired speed, an audio system and speaker which plays back a set of prerecorded utterances stored digitally in a computer arrangement such that the speech of a human being is simulated, transmission of the speech signal to a server, followed by speech recognition and signal-to-noise ratio (SNR) computation. Here, the acceptability of the vehicular speech recognition system is preferably determined via comparison with pre-specified standards of recognition accuracy and SNR values.
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Aaron Andrew
Das Subrata K.
Lubensky David M.
Chawan Vijay B
Ference & Associates LLC
International Business Machines - Corporation
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