| Headsets are used to hear music close to your | | | | popular by Sony. The next type of headphones is |
| ears from a laptop, computer, or music system. | | | | the one which is pinned to the outer ear with the |
| Headsets are a pair of transducers which receive | | | | help of a clip. |
| electric signals and convert them to sound. | | | | Benefits of headphones: |
| Beyerdynamic officially invented headphones in | | | | There are many benefits of headsets and |
| the late 1930's. They were also the first company | | | | headphones: |
| to market headphones to the public. | | | | - They look good in offices and are ergonomic. |
| Although after the invention of the walkman, | | | | - They save space, especially the wireless models. |
| headphones are used widely, but they still do not | | | | - For people who have to be on the phone for a |
| produce the perfect sound. The reason is that | | | | long time, they offer a better alterative to holding |
| while recording stereo sound, it is assumed that | | | | the phone all the time. |
| the sound will be heard using speakers. Speakers | | | | - They allow privacy; in a room full of people with |
| send sound to our ears so that there is phase | | | | computers mixing tracks, there will be no |
| difference, and when sound reaches our brain, it | | | | disturbance if everyone uses headphones. |
| can detect prefect sound. | | | | Noise cancellation headphones: |
| Construction of a headphone: | | | | Noise cancellation headphones reduce noise and all |
| A normal headphone consists of a transducer to | | | | the sounds that are unwanted. Generally, the trick |
| convert the electrical energy, a pair of speakers, | | | | is to use electric circuitry, which generates noise |
| and a jack plug. Based on different kinds of parts, | | | | reduction signals. Using the phenomena of |
| they are classified as Circumaural, Supra Aural, | | | | destructive interference, these headphones cancel |
| Earphones and Canalphones. Circumaural | | | | out any unwanted sounds. |
| headphones have pads for covering the ears fully. | | | | Such headphones are very popular in airlines |
| Supra aural headphones have pads that go over | | | | where passengers can sleep easily without any |
| the ears. Earphones are smaller in size, and are | | | | issues. Bose headphones are very popular in this |
| placed directly in the ear canal without covering | | | | category. However, these headphones require |
| the ear fully. Canalphones sit in the ear canal itself. | | | | battery backup, and are more effective when the |
| How to wear headphones: | | | | sound is continuous, like a hum. These headphones |
| Headphones can be worn in many styles | | | | are more bulky than traditional headphones. The |
| depending upon the kind and usage pattern. | | | | electronics that reduce the additional noise are in |
| Traditionally, wearing the headphones over your | | | | fact behind the microphone; they take the noise |
| head has been the most popular style. | | | | from there, and then invert it before adding to |
| Headphones which have a band, or multiple bands, | | | | the normal real audio signal. Another method of |
| can be worn over your head. If you do not want | | | | noise cancellation is Active Noise cancellation |
| to disturb your hair, then wearing the headphones | | | | where waveforms are produced to cancel the |
| behind your head is a good answer. This style is | | | | noises. |
| also called Street Style, and has been made quite | | | | |