Have you ever been on a plane with your headphones, and found yourself not able to enjoy that movie you had been watching because there was too much noise from the engine, your snoring seatmate, or other noise producing factors around you that you could still hear? Have you found yourself wishing you could enjoy that train ride better, if perhaps you could enjoy your own personal in-ear entertainment but rather disappointed because you got that unwanted train mechanism hitting the rail tracks? Don't you wish there was a way to cancel out those unwanted sounds from your surrounding and isolate what you would like to hear from the headphones in the purest timbre?
They were exactly the same wishes which Lawrence J. Fogel and Dr. Amar Bose had in mind once they began developing earphones which could isolate unwanted ambient noise. They both individually attempted to study and develop ways to produce something which would answer their dissatisfaction to noise caused the airplane's engine while riding an aircraft. Following a decade of researching and development, the very first noise cancelling headphones were released by Bose.
Noise-cancelling headphones are intended to minimize those unwanted noises around one's environment.They help isolate the produced sound by producing reverse polar sound waves of those which are coming from the external surroundings. That is made possible by Active Noise Control or simply known as ANC.
ANC basically works though a microphone, placed near the ear, which serves as the sensor. If this hears those external sounds, its electric circuitry produces sound waves that are reverse in polarity. Serving as anti-noise sound waves, the sound picked up externally is cancelled and minimized to the listener wearing the noise-canceling headphones. The result is pure sound quality at whatever volume is selected.
Currently out there, one would typically find Noise Canceling headphones that have ANC for mostly low frequency noise. The reason being lower frequency sound waves sound multi-directional rather than sounding from a singular source, making it easier for the ear to pick up. They would also contain longer wave lengths which will make it tougher to block.
For sounds which have higher frequencies and are shorter in wave lengths, companies would usually rely on their other noise minimization techniques, for example ear cups design and materials, to block them. As these have shorter wave lengths, they would be easier to block and cancel out.
With the idea of frequency and wave sound length having an inverse relationship, companies have opted to create noise-canceling headphones with an ANC for lower frequencies only since it would entail having a more simple electronic circuitry. Other techniques anyway would be sufficient to make the noise-blocking effect that one would wish in a noise-canceling headphone.
Noise-canceling headphones are actually gaining their popularity all over the world. Not only do they have entertainment benefits, but ear-drum maintenance also. Because a user would not need to raise the volume to hear only what he or she is listening to, less stress is placed on the ear drum. Talk about a double benefit!
They were exactly the same wishes which Lawrence J. Fogel and Dr. Amar Bose had in mind once they began developing earphones which could isolate unwanted ambient noise. They both individually attempted to study and develop ways to produce something which would answer their dissatisfaction to noise caused the airplane's engine while riding an aircraft. Following a decade of researching and development, the very first noise cancelling headphones were released by Bose.
Noise-cancelling headphones are intended to minimize those unwanted noises around one's environment.They help isolate the produced sound by producing reverse polar sound waves of those which are coming from the external surroundings. That is made possible by Active Noise Control or simply known as ANC.
ANC basically works though a microphone, placed near the ear, which serves as the sensor. If this hears those external sounds, its electric circuitry produces sound waves that are reverse in polarity. Serving as anti-noise sound waves, the sound picked up externally is cancelled and minimized to the listener wearing the noise-canceling headphones. The result is pure sound quality at whatever volume is selected.
Currently out there, one would typically find Noise Canceling headphones that have ANC for mostly low frequency noise. The reason being lower frequency sound waves sound multi-directional rather than sounding from a singular source, making it easier for the ear to pick up. They would also contain longer wave lengths which will make it tougher to block.
For sounds which have higher frequencies and are shorter in wave lengths, companies would usually rely on their other noise minimization techniques, for example ear cups design and materials, to block them. As these have shorter wave lengths, they would be easier to block and cancel out.
With the idea of frequency and wave sound length having an inverse relationship, companies have opted to create noise-canceling headphones with an ANC for lower frequencies only since it would entail having a more simple electronic circuitry. Other techniques anyway would be sufficient to make the noise-blocking effect that one would wish in a noise-canceling headphone.
Noise-canceling headphones are actually gaining their popularity all over the world. Not only do they have entertainment benefits, but ear-drum maintenance also. Because a user would not need to raise the volume to hear only what he or she is listening to, less stress is placed on the ear drum. Talk about a double benefit!
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