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Meta
28th 2010f May 2010
Posted in: Home Theatre
Are you overwhelmed by the flood of regular and wireless headphones? You never heard of the terms open and closed headphones or dynamic and static transducers? This overview will help you select the perfect model.
Headphones are available in many different styles. In terms of design, the smallest type headphones are in-ear headphones which are plugged into the ear, some of these have a bracket that wraps around the ear. These type headphones can easily be stored in a pocket. They are often bundled with iPods or MP3 players. A larger type of headphones have earpieces that sit on the ears but are still quite small. These headphones have an elastic frame that connects the two earpieces. This frame either sits on the head or wraps around the neck. If you are on a tight budget then you should consider one of these headphones, some models are designed to absorb external noise.
If you are looking for better sound quality then you should take a look at medium-end headphones which have soft ear cushions that depending on the model will be located either on your ear or around your ear. The second design eliminates the pressure on the ears and is preferred by many people. The next decision you’ll have to make is between an open and closed headphone design. An open design essentially means that the sound from the transducer can penetrate to the outside of the headphones. It can also cross-couple into the other earpiece. Some people think that an open design will sound light and more natural. A closed design on the other hand will not allow the audio to escape and also block exterior noise.
Most of today’s headphones are so-called dynamic headphones. Dynamic refers to the type of transducer that is used. The second more expensive type which requires special headphone amplifiers are static headphones.
Another option to consider when choosing headphones are wireless headphones. Wireless headphones cut the headphone cord and afford total freedom of movement. Bluetooth headphones are one type of wireless headphones and work with Bluetooth-enabled devices and cell phones. These headphones are typically fairly small but do not offer the same sort of audio quality as medium to high-end headphones.
Other wireless headphones often work at 900 MHz and use FM transmission. These headphones are the least expensive wireless option. More advanced digital wireless headphones work at 2.4 GHz or 5.8 GHz. In addition to noticeable hissing and distortion, FM type wireless headphones are also very susceptible to wireless interference.
Another type of wireless headphones are digital wireless headphones. This type of headphones, such as Amphony headphones, will encode the audio prior to transmission which prevents any audio distortion during the transmission and ensures high reliability against interference. Digital wireless headphones which work at the less crowded 5.8 GHz frequency band have fewer problems with competing wireless devices than headphones working at 2.4 GHz.
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