A headset is not the merits of external factors can be determined by the structure of certain materials and the use of certain does not represent what good headphones, the design is modern acoustics, materials science, ergonomics and audio the perfect combination of aesthetics . -- "Evaluation of headphones"
For a headset to go through our assessment of objective and subjective test after listening can reach a conclusion. The objective test headphones, including the frequency response curve, impedance curve, square-wave test, intermodulation distortion, and so on.
Today, we are only listening on headphones subjective evaluation, and this is our choice of headphones the necessary steps.
To correctly evaluate the headset's voice is first necessary to understand the characteristics of voice headset. Headset speaker by a tremendous advantage over small phase distortion, wide frequency response, transient response, and rich details, to restore a delicate lifelike sound. But there are two shortcomings of headphones, accurate to say that this is characteristic of the two headphones, they are relative to the human body by the headphones of the physical location of the decision.
The first is characterized by: the headset, "the first in effect."
Acoustic headphones create a natural environment is not found, and the nature of the sound waves is the interaction between the head and ears into the ear canal, the voice headset directly into the ear canal and the record is for most speakers Playback production, audio-visual speaker at the two online links, as these two reasons we will be using headphones, audio-visual form in the first, the sense of not listening to nature, easily lead to fatigue. Headset "in the first effect" could be through the use of special physical structure to improve sound field simulation software and hardware on the market, there are many.
The second characteristic is: the low-frequency headphones.
Under paragraph low-frequency (40 Hz-20Hz) and ultra-low-frequency (20 Hz) in the body is perceived by the human ear to these bands are not sensitive. Headphones can be perfect replay this low-frequency, but because the body can not feel that the low-frequency, low-frequency people feel that the lack of headphones. Since the headphone listening mode and the speaker is different, the headphones have a balanced voice of the unique way. The headphones have high-frequency general improvement so that gives voice to balance the rich details of feeling, a low-frequency completely flat headphones are often less than people think that low-frequency sound Pianshou, low frequency is also appropriate upgrade frequently used means of headphones, This keeps the headset is the voice of fullness, low-frequency deep dive. The most commonly used means of light headphones and ear plugs, their small size diaphragm could not produce deep low-frequency, through the middle of upgrading low-frequency (80 Hz-40Hz) can get a satisfactory low-frequency effects. Is not necessarily true voice of a beautiful, the design of the headphones of these two methods are effective, but still have not, if the upgrade over the high-frequency and low frequency sound would undermine the sense of balance and stimulate the sound easily lead to fatigue. IF the headset is a sensitive region, where most information rich music, the human ear is the most sensitive areas. IF headset design treatment is prudent, some low-end frequency response of headphones its limited scope, but through to enhance IF in the preceding paragraph and low, was bright and sharp sound muddy, the intensity of the sound, causing the false impression of good high-low-frequency, long time Headphones to listen to this, will feel that Suoran tasteless.
Excellent voice headset should have the following characteristics:
1,First, at the end of pure sound, without any displeasure is the "Sima", "Ong", "coax" sound.
2,Second, a good sense of balance, but from the sounds bright or too dark, high school uniform distribution of low-frequency energy, the fusion band Natural Sleek, non-obtrusive and Burr.
3,Third, extend the high-frequency sound, smooth and delicate.
4,Fourth, low-frequency deep dive, full clean, resilient and intensity, no fat, slow feeling.
5, IF minimal distortion, transparent and warm, cordial and natural voice, thickness, magnetic, no exaggeration Yinhe nasal teeth.
6. Jiexi Li, and rich details, tiny signals can also clear the replay.
7, a good ability to describe the sound field, the sound field open, accurate and stable positioning instrument, the sound field in a sufficient amount of information, no empty feeling.
8, there was no obvious dynamic compression, with a better sense of speed, large volume of non-small distortion or distortion.
This headset can be a more perfect playback of any type of music, like really good music degree and a sense of long-term use will not cause fatigue, enabling listeners are immersed in music.
