Sound intensity in decibels Example of type of sound at the specified intensity 10dB Normal breathing 30dB Soft whispering 40dB Library 60dB Normal conversation 80dB Doorbell 85dB Heavy traffic (inside car) 90dB Shouted conversation 95dB Motorcycle 100dB Hair dryer 105dB Car horn at 5 meters 110dB Shouting in the ear 120dB Standing near a siren 130dB Jackhammer 140dB Airplane taking off 150dB Firecrackers
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如果听音乐，我可以听多久？
How long can I listen to music?
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随着声音强度的增加，安全听力时间的持续时间迅速减少。
The duration of safe listening time decreases rapidly as the sound intensity increases.
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例如，如果以80分贝的平均音量收听，每周可以安全收听40小时。
For example, if one listens at an average volume of 80dB (decibels), one can keep listening safely for up to 40 hours a week.
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但如果选择以90分贝音量收听，那么每周仅能安全收听四个小时。
However, if you choose to listen at a volume of 90dB, four hours per week is all you have for listening safely.
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下面显示不同声音强度的每周安全听力时间，以及分贝水平所对应的声音。
The safe listening time per one week for different sound intensities are indicated below, along with examples of what sort of sound the decibel level refers to.
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您可以使用应用程序检查和监控环境中的分贝水平或音乐设备的分贝级别。
You can check and monitor the decibel level in your environment or the decibel level of your music device with use of apps.