Normal phenomenon.
The so-called stereo means that the music played on the left and right is different. Some have time differences, and some have different instruments assigned to different channels on the left and right. Some, even the vocals are different on both sides.
This is done deliberately when recording music, in order to give the audience an immersive feeling. When actually listening to the music in the concert hall, the sound sources do come from different directions. Therefore, in this way, Fully imitate the live effect.
When recording music, we also deliberately put different instruments and vocals into different channels to maximize the live experience.
Headphones are an electroacoustic conversion device that converts the electrical signal of sound into sound. There are two-channel and multi-channel systems in the existing technology, although they have obvious sound and image distribution. Because it is two-channel, each earphone needs to emit different sounds, so that the stereo effect will be better.
Extended information
Notes on saving headphones when not in use are as follows:
1. First, put the earplugs according to the shape or the left and right marks on the earplugs (left is L and right is R), put them into the grooves of the earphones in the box one by one.
2. There are two wires where the headphone bifurcates. One has a wire control button, and the other does not. First, wrap the cord of the left earphone along the groove on the left, and then pass it through the groove at the top.
3. Next, loop the right earphone cable along the right groove, and then pass it through the groove at the top. Just put the remote control button into the groove in the middle.
4. Then wrap the headphone cable into the groove in one direction. Finally, you can close the lid of the headphone box.