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Erratum: Subscriber loop noise measurements and calibration

โœ Scribed by Prabhu, R.P.; Drew, J.H.; Wallent, T.S.

Book ID
118683251
Publisher
The Institution of Electrical Engineers
Year
1987
Weight
127 KB
Volume
134
Category
Article
ISSN
0143-7070

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High-level sound measurement needs transducers of low sensitivity, and some disturbing effects are to be feared from environment, and non-linear effects. Piezoelectric, capacitive, and electret microphones are described. The calibration of such transducers is not easy by conventional methods. Some m