50 dB sound is a kind of sound with moderate loudness, which is used to measure the sound intensity in indoor or outdoor environment. It is not very low and quiet, nor too harsh and noisy, but a sound with a medium volume range.

In the working environment, 50 decibels of sound is relatively quiet background noise. Generally speaking, the sound of printers, computer keyboards and telephone rings in the office can reach 50 decibels. In addition, in some places that need to be relatively quiet, such as cafes or libraries, people's conversation can reach about 50 decibels. This volume is suitable for some jobs that require concentration and thinking. Most people can work and communicate normally in this environment without feeling too noisy or quiet. In an outdoor environment, 50 decibels of sound is usually caused by traffic, crowds or other background noise. For example, in a relatively crowded but not too noisy street, the sound of traffic and people's gossip can often reach 50 decibels. In addition, in parks or gardens, on sunny days, the sound of birds singing and the sound of breeze blowing leaves can also reach about 50 decibels. This sound level is considered to be more comfortable and pleasant, and people can relax in it. The sound level of 50 decibels is medium loudness, neither too harsh nor too quiet. On different occasions, the sound of 50 decibels can be background noise in the working environment, traffic noise and crowd noise in the outdoor environment. Understanding and mastering the influence of different sound levels on people can help people make reasonable adjustments in different environments and ensure healthy hearing and comfortable life.