H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/15, 354/50
H04B 1/40 (2006.01)
Patent
CA 1264356
Abstract of the Invention An improved hands-free user-interactive control and dialing system is disclosed for use with a speech communications device. The control system (400) includes a dynamic noise suppressor (410), a speech recognizer (420) for implementing voice-control, a device controller (430) responsive to the speech recognizer for controlling operating parameters of the speech communications device (450) and for producing status information representing the operating status of the device, and a speech synthesizer (440) for providing reply information to the user as to the speech communications device operating status. In a mobile radiotelephone application, the spectral subtraction noise suppressor (414) is configured to improve the performance of the speech recognizer (424), the voice quality of the transmitted audio (417), and the audio switching operation of the vehicular speakerphone (460). The combination of noise processing, speech recognition, and speech synthesis provides a substantial improvement to prior art control systems.
533558
Borth David Edward
Gerson Ira Alan
Vilmur Richard Joseph
Gowling Lafleur Henderson Llp
Motorola Inc.
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