Noise-canceling headphones have been around for a while now and have been used by many people to reduce the noise in their environment. These headphones use a microphone to pick up ambient noise, which

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노이즈 캔슬링 기술은 1934년 폴웩이 발표한 주파수 논문을 기초로 1950년대 영국에서 개발됐습니다 1984년 루프트한자 항공사가 '젠하이저'에 파일럿용 노이즈 캔슬링 헤드셋 개발 요청을 하면서부터 실제 제품이 나오게 된거죠 기내에서 느낄 수 있는 제트 엔진의 소음은 대략 80dB 정도이며 시내 대로변에서 발생하는 교통 소음과 맞먹으며, 오래 들으면 불쾌감을

Noise-cancelling headphones have improved a lot and become affordable for a wide range of people in the last few years. They seem like a luxury or novelty product but I wonder if they could end up being

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