Active Noise Cancelling Headphones
Active noise cancelling headphones are designed to reduce unwanted acoustic noise. These headphones achieve this with active noise control or by cancelling out the noise by using destructive interference. This is done through a microphone that is placed somewhere near the ear area. Some models actually fit into the ear with a small microphone embedded into the earphone. This type is preferred for several reasons. They do not require a lot of complicated electronics because the actual material the earphones are made of help in the cancelling of certain types of noise.
These headphones are designed to allow the user to listen to music without
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having to crank up the sound to overcome ambient noise. Ambient noise can be described as background noise of the engines on trains or busses or the loud airplane noises. Noise cancelling headphones help prevent hearing damage due to the having to turn the headset loud to hear what you want. The use of these headphones allows you to hear more detail in the music without turning up the volume of the music. They also keep the music on a level where the person next to you cannot hear it or be disturbed by it.
There are many benefits to having a set of headphones that cancel out background noise but there are also some drawbacks. Most of them require battery power and this means either changing batteries often or buying rechargeable batteries that must be recharged on a regular basis. The cheaper models may not cancel out the noise as effectively as you desire. They work much better on noise that is continuous such as the constant hum of an electrical appliance than they do on noise like talking or audio signals that change frequently. You may also hear a high frequency noise that is emitted from the speaker.
It was in 1986 that Bose used their noise cancelling technology to come up with headphones that would protect the ears of airline pilots. There are many airlines that supply their pilots with headphones to cancel out the often harmful noise of the plane. This technology is also offered by many airlines for their first class fliers. This is especially helpful on long flights like international flights.
There are many different brands of active noise cancelling headphones. It is up to you to determine what it is you expect. Obviously there are some that are more effective than others. The JVC Gumy earphones are stylish and look better than the larger headphones. They also offer decent audio quality for the cost of about $10. They also come in some stylish colors like melon green and pale pink. The Westone 1 True-Fit earphones don't have a real high sound quality in noisy situations but they are comfortable and most people find them to be durable as well. They come in black and fit nicely in the ear and they come with a cleaning kit that is designed to keep them free of wax. One of the highest rated is the JVC Marshmallow headphone. They come with an affordable price tag and the offer high quality audio sound with excellent noise cancelling capability. They also fit securely without being uncomfortable.