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<br />Examples of Sound Levels <br /> <br /> Good Whisper, Background Bkground <br />Typical Threshold recording leaves Background, noise, noise, city Private Conversational Business <br />Sounds of hearing studio rustling country night Library suburb home office speech office <br />SPL, dB 0 10 20 30 40 50 60 <br /> <br /> Noisy <br />Noisy traffic, Inside Heavy Inside N.Y. <br />office corner motor bus truck subway <br />70 80 90 100 <br /> <br />Loud car <br />horn, <br />nearby <br /> <br />Jet taking Chest wall <br />Riveter, Prleumatic Artillery, Threshold off,25 vibrates, choking, <br />nearby chipper 100 yards of pain meters giddiness <br />120 <br /> <br /> <br />110 <br />