Telephones in Noisy Areas

Sponsored Links

Background noise interferes with telephone conversations, where

• conditions are satisfactory at levels less than 65 SIL (dB) (approx. 72 dBA)
• conditions are difficult at levels in the range 65 - 80 SIL (dB) (approx. 72 - 87 dBA)
• conditions are impossible at levels above 80 SIL (dB) (approx. 87 dBA)

Sponsored Links

Related Topics

• Acoustics - Room acoustics, acoustic properties - decibel A, B and C - Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity, attenuation and more ..

Related Documents

• Comparing Noise Criteria - Comparing Noise Criteria - Noise Criterion (NC), Noise Rating (NR) and dB(A)
• SIL - Speech Interference Levels - Approximate speech interference levels