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- 4,157 Lance Eliakim Sotto
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- Decibel Meter: Sound dB Level
- iOS 應用程式: 公用程式與工具 由: 传胜 贾
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- 點數: 1 + 331 (4.8) 版本: 5.10.11 Decibel Level Table 0-20dB is very quiet and almost impossible to feel 20-40dB Quiet, Soft Talk 40-60dB Normal, ordinary indoor talking 60-70dB noise, speak loudly "70-90dB is noisy ... ⥯
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