Environmental Sciences, asked by naniupadhyaya, 7 months ago

What is the criterion for standard sound ?

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Answered by Anonymous

Recommended Noise Criterion - NC

Type of Room - Space Type Recommended NC Level NC Curve Equivalent Sound Level dBA

- Halls, corridors, lobbies 35-40 50-55

Offices

- Conference rooms 25-30 35-40

- Private 30-35 40-45

Answered by Anonymous

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