Also, you need a 5. 1 channel song, a sound card supporting 5. 1 channel and five speakers to hear the sound field feeling of 5. 1 channel. Earplugs can't hear you, and neither can the subwoofer.

5. 1 channel has been widely used in all kinds of traditional cinemas and home cinemas. Some well-known recording and compression formats, such as Dolby AC-3(Dolby Digital) and DTS, are all based on 5. 1 sound system, in which "5. 1" channel is a specially designed subwoofer channel, which can produce a frequency response range of 20. In fact, the sound system of 5. 1 comes from 4. 1 surround, but the difference is that a central unit is added. This central unit is responsible for transmitting sound signals below 80Hz, which helps to strengthen the human voice when enjoying the film and concentrate the dialogue in the middle of the whole sound field to increase the overall effect. I believe that every friend who has really experienced Dolby AC-3 sound effects will be deeply impressed by 5. 1 channel. The traditional dual-channel system has gradually faded out. At present, 5. 1 channel sound processing system is a perfect audio-visual solution. We often hear "Dolby 5. 1 channel", but many people don't know the specific meaning of Dolby 5. 1 channel. Let me first introduce what "Dolby 5. 1 channel" is. In fact, the 5. 1 channel uses five speakers and a 1 subwoofer to realize the immersive music playback mode. It was developed by Dolby Company, so it is called "Dolby 5. 1 channel". In the 5. 1 channel system, the sound is output in five directions: left (L), middle (C), right (R), left rear (LS) and right rear (RS), which makes people feel like they are in a concert hall. The five channels are independent of each other, and the ".1" channel is a specially designed subwoofer channel. It is precisely because there are speakers in the front, back, left and right that there will be a sense of reality surrounded by music.