Patent10.1121/1.1554228
Distributed voice recognition system
Paul E. Jacobs,Chienchung Chang +1 more
361
TL;DR: In this article, a distributed voice recognition system includes a digital signal processor (DSP), a nonvolatile storage medium (108), and a microprocessor (106), which is configured to extract parameters from digitized input speech samples and provide the extracted parameters to the microprocessor.
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Abstract: A distributed voice recognition system includes a digital signal processor (DSP)(104), a nonvolatile storage medium (108), and a microprocessor (106). The DSP (104) is configured to extract parameters from digitized input speech samples and provide the extracted parameters to the microprocessor (106). The nonvolatile storage medium contains a database of speech templates. The microprocessor is configured to read the contents of the nonvolatile storage medium (108), compare the parameters with the contents, and select a speech template based upon the comparison. The nonvolatile storage medium may be a flash memory. The DSP (104) may be a vocoder. If the DSP (104) is a vocoder, the parameters may be diagnostic data generated by the vocoder. The distributed voice recognition system may reside on an application specific integrated circuit (ASIC).
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