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