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IEVref:801-31-42ID:
Language:enStatus: Standard
Term: normalized impact sound pressure level
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Definition: for a specified frequency band, average sound pressure level in a receiving room in decibels due to the standardized impact sound source, plus ten times the logarithm to the base ten of the ratio of the Sabine absorption in the receiving room to the reference absorption of ten decibel metre-squared


Publication date:1994-07
Source:ISO 140/6
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