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US 10,320,964 B2Granted
Hands-free control apparatus
AssigneeMitsubishi Electric Corporation
InventorHironori Kotera
Life of this patent
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Abstract
Characteristics of noise contained in input signals of a plurality of microphones are adjusted to be equal to each other at each frequency, and an input signal of a microphone identified to be a microphone through which a speaker has input uttered speech from among the microphones subjected to adjustment of the noise characteristics is switched to a signal to be transmitted to a person on another end of call.
Claims7
A hands-free control apparatus comprising:
- processing circuitry
- to identify from among a plurality of microphones a microphone through which a speaker inputs uttered speech;
- to adjust characteristics of noises, each contained in an input signal of one of the plurality of microphones, to be equal to each other at each frequency;
- and
- to switch an input signal of the identified microphone among the input signals of the plurality of microphones whose noise characteristics are adjusted, to a signal to be transmitted to a person on another end of call.
2 more elements
Dependencies are inferred from the claim text.