What is "headset"

The new headset sounds good. However, it is always unsatisfactory to use the same type of ear plug as a friend for a period of time. The bass is tight and stiff, the sound is soft and plump, And the burrs of the treble are full. Why? Because this new headset has not been renewed!
So what is headset? We all know that new cars and machines must go through a stage called "Running-in" before they can be used normally, so that internal mechanical devices can fully coordinate and cooperate with each other and enter the optimal state in advance. Similarly, the pushing unit of the earphone (The speaker inside the earphone) is also a mechanical device, which should be a combination of semi-mechanical and semi-electronic, it is mainly composed of sound rings, shock films, positioning rings (metal rings with fixed shock films), etc. The mechanical part belongs to a smoothing System, including the shock film and the sound ring fixed on the shock film. The Shun element can be equivalent to the capacitance in the electronic element. The capacitor stores electric energy, and the shock film and sound ring stores kinetic energy. The single-element smoothness of headphones is equivalent to the parallel value of the two capacitors of the shock film and sound ring, which is the key to determining the sound quality. The materials used by the shock film and sound ring are high-shun materials. The internal molecular structure of the shock film is unstable at the initial stage, so the smoothness is unstable, when switching to a speaker unit, its smoothness is usually relatively small (usually intuitive understanding is still relatively stiff), because the molecular structure is relatively stable. After a long period of motion, the distance between molecules increases, and the distribution uniformity increases. The overall smoothness of the speaker is also increased. The most important value of the speaker is the minimum resonance frequency, the professional name is F0. This value basically determines the minimum frequency that the speaker can achieve. It depends on the equivalent quality and equality of the speaker, because the speaker is a mechanical resonance system equivalent to a resonance circuit on a circuit, the frequency of the resonance circuit depends on the inductance (equivalent mass of the speaker) and the capacitance size, the fo size and inductance are inversely proportional to the capacitor size. Therefore, the greater the speaker's smoothness, the lower the f0 value, and the better the low-frequency potential. The change of smoothness leads to a global launch, and all the mechanical data of the speaker will change. For example, the mechanical quality factor of the speaker, therefore, the mechanical quality factor is reduced, which is equivalent to sound soft. Therefore, the new headphones are relatively weak in low-frequency dive, small in volume, and stiff. The mid-frequency performance is not soft enough, and there are symptoms such as high-frequency glitches and too acute. (Of course, this is also determined by the quality of the headset itself ). After a period of time, the smoothness (or elasticity) of the speaker unit will increase, and the front and back movements will be easy, so that the sound will be full and easy, and the sound quality will be better.
So, how do I buy headphones? In the past, a very simple method was adopted, that is, to directly connect to the radio and adjust it to a radio-less frequency, and use the radio to make the headset work for a long time, to achieve the effect of the host. However, this method is not obvious. It is better to simply put on headphones and listen to music. It also uses a dedicated frequency generator to generate a fixed or Scan Frequency and then input it to the headset for renewal. This method has obvious effects and can shorten the time used. But most players do not have such an instrument. What should I do? In what way is the most efficient way to encrypt headphones? Today, with the rapid development of computers, many enthusiasts have developed Program The computer is used to process waveforms and frequencies, and the sound card is used for output to achieve the effects of some real-time instruments. This is the so-called "virtual instruments ". There are many frequency testing software similar to this. I am using a software called test tone generator, which is easy to use and has specific functions and is small in size.

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