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Looking for quiet sound noise reduction headset advantage?

This era has been inseparable from the music, and the pursuit beats by dre of music quality is also gradually improved. So noise reduction headphones came into being, when it comes to noise reduction headphones, we will not be unfamiliar, even if not used, should also be heard. From the function and use of the product, the noise reduction headset is a very good product, it is for people's hearing, and even physical and mental health have a very good health care. The simplest to say that it can effectively beats earphones reduce the external noise, give us a quiet world; especially in the aircraft, subway, bus and other more polluting environment, the most suitable for the use of noise reduction headphones. Of course, in addition to the above mentioned scenes, in our daily lives we will also use noise reduction headphones. For example, is now facing the computer screen codeword editing, ears often wear a noise reduction headphones. The reason is simple, in an open environment under the code article, I need a relatively quiet environment in order to better focus and thoughts, work efficiency can be beats headphones on sale improved. Noise-free headphones in this area can give me help, at least after wearing headphones, my world clean 1/3. And was part of the headset filter out, that is, noise.

Noise-free headphones Since so good, why can always feel this market has been tepid? I think there are two reasons: 1. Price; 2. Habit. A good point of noise reduction headset prices are basically in the thousand or so, which for most ordinary consumers is very difficult to accept. All along, people use habits are ordinary headphones, Bluetooth headset and HiFi headphones, but for the noise headphones seem to always have no interest. After all, from the user's point of view, noise reduction is not just need, sound quality is the most important. Currently on the market noise reduction headphones have active noise reduction and passive noise reduction two, our daily ear ear is a passive noise reduction, in fact, is the headset into the ear canal, with a physical way to noise reduction. The advantage is low cost, but the noise reduction effect is not obvious, especially for the sustained low-frequency noise is almost no filtering effect; but is the voice, whistle and other important tone weakened.

Passive noise reduction technology looks a bit pit father, active noise reduction is different, it is through the headset pickup microphone to collect the ambient noise, then the noise into a digital signal, and through the built-in chip processor to calculate a reverse Of the waves to offset the noise. So technically speaking, the effect of active noise reduction is much better than passive noise reduction, low frequency noise filtering is obvious, and will not filter out such as human voice, car speakers and other necessary high-frequency signal; in noisy environments using natural effects obvious. But if from the sound quality, the active noise reduction technology is a double-edged sword, active noise reduction headphones in the calculation of noise reduction signal will be unconscious to calculate the opposite wave with the audio signal, resulting in signal loss, direct performance Is the sound quality decline. Active noise reduction technology not only involves the traditional acoustics, but also involves the algorithm, the processor, the internal circuit design, and the actual environment of the sound sampling also has a great relationship, so only a strong technical precipitation of the old manufacturers to simultaneously reduce noise and sound quality do it is good. In fact, for ordinary users, noise reduction headset is still a more professional products, after all, it is out from the professional market. At first, noise-canceling headphones were used on aircraft to eliminate engine noise, resulting in a more tranquil effect. At present, noise reduction headset is still the use of this area, more or with the aircraft, rail transit bundled with publicity. Although the noise reduction headphones have been civilian, but the whole process of civilization is not very deep, the form is relatively simple.

In general, the emergence of noise-canceling headphones to listen to friends is a good thing, although we do not necessarily buy to use, but this has marked a progress, technology is developing at all times, one day we can Experience a pure tone.