A noise-canceling microphone is the one that stops unwanted ambient noise with an active noise control. In this process the microphone is placed near the ear and the electronic circuit produces a sound wave antinomies, which is 180 degrees out of phase, you get the sound into the microphone.
Some of the companies that make noise-canceling microphones are Sony, Aiwa, and Bose. The advantage is that these types of microphones is that theymoderately difficult for electronics. One of the disadvantages of using a noise-canceling microphone is that they require a power supply from a battery. Sometimes giving high-frequency sounds that are annoying after a while whistling '.
The models are available on the market, Aiwa HP CN 6, AKG K 28 NC, Bose Much Comfort and Jensen C51. A noise-canceling microphones are very useful when you hear the music when they are installed in lawn mowers and refrigerators. Noise CancellingThe microphones are used in military communications to achieve a precise and clear sound. Phone calls can also be free of noise with these microphones. The climbers, expeditions take seriously benefit from these microphones, as some models have been designed to work in a helmet full of oxygen pressure. Phones can be modified and simple to use with the installation of these microphones. The background noise makes it very difficult for theSpeakers to understand the other person. These microphones clarify speech that would otherwise have ended up as a dull, boring conversation.
It must be clearly judged from the observations made on these microphones, microphone, noise-canceling in all areas of life and in almost all professions, to be used primarily for the entertainment industry. These microphones have revolutionized the concept of noise pollution, and effectively takes control.
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