Title :
An Apparatus for Measuring Low Acoustical Background Noise
Author :
Thoma, G. ; Meier, A. Von
Author_Institution :
AEG-Telefunken, Industrielle Datenverarbeitung
Abstract :
For the measurement of tolerable background-noise levels in broadcasting studios a high-sensitivity low-noise microphone, as well as a low-noise preamplifier, are required.
Keywords :
Acoustic measurements; Acoustic noise; Background noise; Broadcasting; Coils; Microphones; Noise figure; Noise level; Noise measurement; Preamplifiers;
Journal_Title :
Broadcasting, IEEE Transactions on
DOI :
10.1109/TBC.1971.266058