IEVref:801-31-38ID:
Language:enStatus: Standard
Term: normalized level difference
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Definition: in decibels, level difference between rooms plus ten times the common logarithm of the ratio of the reverberation time in the receiving room to the reference reverberation time

NOTE – For dwellings, reference reverberation time is 0,5s.


Publication date:1994-07
SourceISO 140/4
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