Electrical audio signal processing systems and devices – Voice controlled
Patent
1991-01-30
1993-07-20
Ng, Jin F.
Electrical audio signal processing systems and devices
Voice controlled
381 43, 379 67, 379 90, H04B 146
Patent
active
052300234
ABSTRACT:
In a method for controlling an external machine by a voice command, a voice pattern which is extracted from a voice supplied through a microphone is compared with reference voice patterns to pick up one of them which corresponds to a certain voice command to control an external machine, and a similarity between the voice pattern and the reference voice pattern is calculated. Then, a control signal is supplied to the external machine after a waiting time passes. The waiting time is determined dependent on the similarity such that the waiting time is relatively long when the similarity is low and is determined relatively short when the similarity is high, so that an operator has a sufficient time to judge whether the voice command is the desired one.
REFERENCES:
patent: 4593403 (1986-06-01), Kishi et al.
patent: 4945570 (1990-07-01), Gerson et al.
NEC Corporation
Ng Jin F.
Tong Nina
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