noise cancellation

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noise cancellation

(1) The elimination of unwanted signals in an electronic circuit. See noise and dynamic noise reduction.

(2) The elimination of unwanted noise in the environment using noise cancelling headphones. A microphone in the headphones picks up external sound and creates an inverse signal to the speakers in order to cancel it. The headphones can also be used to listen to audio from a CD, DVD or other source at the same time. See echo cancellation.

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No references found			They are simple to use headsets, don''t include noise cancellation technology, only noise or wind filters. Know the Differences Between the Plantronics Bluetooth Headset Series by Lukas Fm / Electronics community As the frequency of noise increases, the effectiveness of the noise cancellation reduces. MP3 and IPod Headphones by Meryl Rougeaux / Computers and Internet community The phone features advanced audio processing, full-duplex performance, distributed echo cancellation and noise cancellation. Wireless conferencing phone by Communications News			Nogmov, Shora Nogmov, Shora Bekmurzovich Nograd Nógrád Noguchi, Hideyo Noguchi, Isamu Noguchi, Yone Noh drama Noh theatre Nohah Nohl, Hermann Noi Abramovich Trotskii Noi Nikolaevich Zhordaniia Noi Trotskii Noi Zhordaniia Noiabrina Noiakh Gershelevich Lure Noiakh Lure Noil Noin Ula Noion Noise noise absorption noise analysis noise analyzer noise cancellation Noise Control noise criterion curves noise digit noise distortion noise equivalent temperature difference noise factor Noise Figure noise filter noise generator noise grade noise immission level Noise Immunity noise improvement factor noise insulation noise isolation class noise jammer noise killer noise level noise limiter noise margin noise measurement noise pollution noise radial noise rating number noise reduction			Noise (manga) Noise (manga) Noise (manga) Noise (nuisance) Noise (nuisance) Noise (nuisance) Noise (sound) Noise (sound) Noise (sound) Noise (sound) Noise (sound) Noise Abatement Departure Procedure noise about noise abroad noise abroad noise absorption noise analysis noise analyzer Noise and Distortion Figure Noise and Flash Diversionary Device Noise and Track Keeping Noise and Track Keeping Working Group Noise And Track Monitoring System Noise and Vibration Noise and Vibration Emerging Methods noise around Noise Assessment / Solutions IAC Noise At Work Regulations 1989 Noise Augmentation Equipment Noise Automatic Gain Control noise cancellation Noise Cancellation Headphone Noise Cancellation Technology Noise Coefficient noise conditions Noise Contribution Correction Factor Noise control Noise Control Act of 1972 Noise Control and Acoustics Division Noise Control Engineering Journal Noise Control Guidelines Noise Control Research Laboratory Noise Criteria Curve Noise Criterion noise criterion curves noise digit noise distortion Noise Electronic Unknown Sounds Noise Equivalent Noise Equivalent Angle Noise Equivalent Bandwidth Noise Equivalent Delta Temperature Noise Equivalent Flux Noise equivalent flux density Noise Equivalent Irradiance

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