How much does the headset know?

Whether it is on the bus, the train or the subway, even if it is walking on the street, many people are wearing headphones. Going out with a headset seems to be a fashion, the following Xiao Bian and everyone to learn about headphones.

First, the main way to wear headphones

1. Head-mounted: Closed soundproofing is better, but it is easy to have barrel sounds (the mouth is talking to the barrel, and the feeling of depression and echo is the barrel sound); the open sound field is more natural and atmospheric, but the sound insulation is not good; Closed (semi-open) is the choice between the first two more moderate.

2, earplug type: flat-style earbuds, wearing generally more comfortable, soundproofing in general.

3, in-ear type: in-ear earplugs, sound insulation is relatively good to very good, easy to wear uncomfortable, poor hygiene treatment can easily lead to ear infections.

4, ear-hook type: headphones hanging on the ear, there are also ear-ear headphones, wear more solid, but relatively poor sound insulation.

5, after the hanging type: general sports headphones are mainly after the hanging type, wear more solid, the sound quality is usually more general.

6, custom: According to the shape of each person's ear canal, custom earphone shell headphones. Custom earphones are developed from hearing aids. They were first used for singers and musicians to obtain accurate musical rhythms and tempos when performing live performances. They began to be civilized in the last ten years. Most people can do their own customization as long as they are willing to spend money. Headphones. Advantages of custom earphones: Soundproofing is excellent and comfortable to wear, almost reaching the limit of soundproofing. (Noisy sound even if the sound of the aircraft engine can not hear the noise) Disadvantages: the price is very high, wearing a sense of comfort, general oil ear can not use. In recent years, domestic custom earphones have begun to develop, and the price of custom earphones has been reduced a lot, but the sound quality levels have been uneven. I will elaborate on the purchase of custom earphones in the second part.

Second, the main function of the headset classification

1. Monitor: Focus on the various details of the sound. Advantages: The sound is generally clearer, the sound quality is better, and everything is good; the disadvantages: lack of emotional vocal, it seems that listening to what can not get the best results.

2, HIFI-style: to enjoy music as the design focus. Advantages: The sound is more characteristic, the music performance of the counterpart will be very charming, and the best effect can be achieved. Disadvantages: Generally it is a targeted design. For example, it is especially suitable for vocal sounds, it is not very suitable for musical instrument performance, especially suitable for musical instrument performance. , it is not suitable for vocals, can be described as a needle without two tips.

3, game film type: to simulate multi-channel design focus. Advantages: Watching movies and playing games are very shocking effects, clear sound positioning, and disadvantages: poor playback of music.

4, noise reduction: to reduce environmental noise as the design focus. Advantages: Clearly hear music even in noisy environments; Disadvantages: Noise reduction algorithms reduce sound quality and prices are higher.

5, portable: to go out for the convenience of carrying out the design focus. Advantages: relatively light, soundproofing is generally better; disadvantages: sound quality is generally more general, wearing comfort is also more general.

6, sports: to wear a solid design focus. Advantages: Wearing strong is not easy to fall, suitable for sports use; Disadvantages: The sound quality is generally poor, and wearing comfort is also poor.

From the perspective of enjoying music, in general, the same quality sound performance: HIFI-style "monitoring" portable "reducing noise" game-movie-style sports.

Third, the main unit types of headphones

1, moving coil type: Most of the headset and earbuds are such units, the drive unit is generally a small speaker unit, and the speaker unit is very similar. The advantage is that the sounding principle is close to the human eardrum, so the sound is naturally resistant, and the low frequency is loose and comfortable; the disadvantage is that the larger the unit volume, the greater the power required, and the higher the dynamic earphone requirement for the front end is, the higher the requirement is. Micro-motion coil units have now been developed that are much smaller in volume than traditional moving coil units and are increasingly close to moving iron units.

2, moving iron type: the past 20 years began to popular in the world of new cell technology, the drive unit can be done very small, moving iron unit is generally only about the size of rice. The advantage is that the unit is very small and commonly used to make in-ear earbuds. The power required for driving is very small. The soundproof effect is generally very good. The sound is transparent and bright. In addition, because it is a metal miniature diaphragm, it is generally superior in high frequency. The disadvantage is that the sounding principle of the moving iron unit is different from that of the human eardrum, so the frequency response of the moving iron unit is generally relatively narrow, and the sound is not natural, especially the general performance of the low frequency is relatively poor. Nowadays, multi-unit frequency division technology is often used to solve the unnatural nature of moving iron sounds, that is, different frequency bands use different moving iron units to complement each other.

3, ring-type iron: In recent years began to rise in technology, earplugs using dynamic units + iron moving unit combination. The advantages are complementary advantages. The low frequency of the dynamic circle unit is naturally relaxed, and the high-frequency bright and high resolution of the moving iron unit complements each other. The disadvantage is that the crossover point selection is very difficult. In simple terms, the two good voices are combined into one. The technology of good voice is very difficult and it is difficult to produce excellent products.

4, flat-style: schematics do not understand it actually does not matter, to understand the advantages and disadvantages of this headset is enough. Advantages: Small sound distortion, rich information, better dynamics. Disadvantages: The headset is bulky, heavy, difficult to drive, generally requires a dedicated front end to drive well, and the price is more expensive, generally starting from 2,000 yuan.

5, electrostatic type: the principle of electrostatic headphones and flat-panel headphones is almost the same, do not need to understand too deeply, see the first figure is the principle of moving circle, the second is the principle of moving iron, the third is The principle of static electricity, look good enough. Advantages: less distortion, finer sound quality, faster sense of speed, better transient response, stronger detail expression. Disadvantages: The headset is bulky, heavy, difficult to drive, requires a dedicated front end to use (general package sales), and each boot should be warmed up for some time, there is a relatively high demand for moisture protection (South wet best equipped professional The moisture-proof box), maintenance is more troublesome, the entire system is very large volume and weight, can only enjoy music at home, and the price is very high, generally starting from 10,000 yuan