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Noise cancellation apparatus 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-001/00
출원번호 US-0968180 (1992-10-29)
발명자 / 주소
  • Andrea Douglas (Old Brookville NY) Topf Martin (Brooklyn NY)
출원인 / 주소
  • Andrea Electronics Corporation (Long Island NY 02)
인용정보 피인용 횟수 : 83  인용 특허 : 0

초록

Apparatus for reducing acoustic background noise for use with a telephone handset or a boom microphone device or the like. The apparatus includes first and second microphones which are arranged such that the first microphone receives a desired speech input and the background noise present in the vic

대표청구항

A telephone handset apparatus having a speaker portion and a receiver portion for use with a telephone unit operable by standard power supplied from said telephone unit for transmitting and receiving signals representing speech between two or more operators, said apparatus comprising: a housing in t

이 특허를 인용한 특허 (83)

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  36. Nemala, Sridhar Krishna; Laroche, Jean, Noise suppression for speech processing based on machine-learning mask estimation.
  37. Jiang, James; Scott, Marshall; Geoffrion, Eric; Cable, Alex, Optical spectroscopic measurement system.
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