데시벨 측정기
무료 온라인 데시벨 측정기입니다. 마이크로 주변 소음 수준을 측정하세요.
Reference levels:
- 0-30 dB: Very quiet (whisper, rustling leaves)
- 30-50 dB: Quiet (library, quiet conversation)
- 50-70 dB: Moderate (normal conversation, office)
- 70-90 dB: Loud (traffic, vacuum cleaner)
- 90-110 dB: Very loud (concert, power tools)
- 110+ dB: Painful (jet engine at close range)
Note: Browser microphone accuracy is limited. Use as an approximate reference only.