Trivia about earphones

Whether it is listening to songs or using audio learning, or making a phone call, the material and sound quality of the earphones cannot be ignored. Today, let's talk about the trivia hidden in seemingly ordinary earphones.

1. What is the purpose of the small hole on the earphones?

If you are careful enough, you can find that in addition to the holes for sound, there are often some small holes on the back of the earphones. What are the uses of these small holes?

In fact, these small holes have a name called "tuning holes", which are used to adjust the sound.

The reason why the earphone can make sound is because the built-in speaker sends sound waves into the air to make sound through the resonance of the earphone cone and the electromagnet. In addition to the sound outlet, the cavity structure of the earphone is a completely closed design, so the vibration of the vertebral body will increase the pressure inside the earphone, which in turn will hinder the vibration of the speaker.

This is where the tuning hole comes into play. Tuning holes allow air to flow freely through the speaker, which not only prevents pressure buildup but also creates better sound quality and deep bass.

The inside of these tuning holes is composed of tuning nets and tuning cotton, so don’t use sharp objects to poke these holes just out of curiosity, otherwise, your earphones may be scrapped…

In addition, the tuning hole can also be used to identify the true and false earphones. For example, press and hold these small holes when listening to songs. If the music does not change, then your earphones should be fake.

2. Can the L and R of the earphones be mixed?

As we all know, earphones will be divided into L and R channels. L is "left"; that is, the left channel, and R is "right", which is the right channel, but do you know why?

First of all

Due to the different structures of our left and right ears, so that the wearer has a better feeling of use, the earphones are also designed in slightly different shapes to adapt to the structure of the ears. If you wear it backwards for a long time, the ear will feel uncomfortable and affect the listening experience.

Secondly

When people make music, they usually use two microphones to record the sound according to the left and right channels, which can ensure the high reproducibility of the playback. For example, the L end accepts the sound of the left channel, and the R end accepts the sound of the right channel. At the same time, the combination of the left and right channels can also create a stereo sound. If you listen to songs without dividing the left and right channels, you will not be able to enjoy the most wonderful sound quality.

Finally

People need to distinguish the space, level and direction of the sound source through the left and right ears, and the left and right channels of the earphone also play a similar role. Especially when playing games with earphones, the player can correctly perceive the position of the other party through the left and right channels of the earphones, thereby improving the authenticity and experience of the game.

3. Why is the earphone cable always tangled in a ball?

In fact, this is mainly caused by the material of the earphone cable. The earphone cable is composed of thermoplastic elastic material and metal wire. Coupled with the inertial shaking, the earphone cable is more likely to wind up in a ball.

To solve this dilemma, you can use a little trick.

First fix the earbuds with your thumb and forefinger, then wrap the earphone wire around the forefinger and little finger in a figure-8 shape several times. When there is a small part of the earphone wire left, tie the previous earphone wire along the middle of the figure-8. Thread the end of the thread in the figure 8 and pull it tight.

This way you won't be afraid that the earphone cable is always tangled up in a ball. Of course, the most not afraid of entanglement is wireless earphones.

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