Table 16.2   Typical Sound Intensities and Intensity Levels Relative to the Threshold of Hearing

Intensity I (W/m2)   Intensity Level b (dB)   Threshold of hearing   1.0×10–12     0   Rustling leaves   1.0×10–11    10   Whisper   1.0×10–10    20   Normal conversation (1 meter)   1.0×10–6    65   Inside car in city traffic   1.0×10–4    80   Car without muffler   1.0×10–2   100   Live rock concert   1.0   120   Threshold of pain   10   130

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