본 논문에서는 일반적으로 사용되는 마이크가 잡음에 민감하여 음성인식피치 성능을 저하시키기 때문에 잡음치 영향을 받지 않는 고지향성을 가지는 넥마이크로 입력되는 음성신호에 대한 특성을 고찰하고 기존의 일반마이크 입력 음성을 이용하는 인식시스템에서의 인식성능을 살펴본다. 넥마이크는 일반마이크와 동일한 원리로 음성을 채집하는 목부위에 장착된다. 실험에서 넥마이크에 의한 음성은 일반마이크 입력 음성에 비해 인식 성능이 저하되는 결과를 보여주어 앞으로 새로운 인터페이스의 연구대상으로 여겨진다.
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