IEVref:
722-16-12
ID:
Language:
en
Status:
Standard
Term:
acoustic coupler (in telephonometry)
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition:
a cavity of defined shape and volume used for the testing of telephone earphones or transmitters in conjunction with a calibrated transmitter adapted to measure the pressure developed within the cavity
Publication
date
:
1992-11
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
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Domain4:
Domain5:
a cavity of defined shape and volume used for the testing of telephone earphones or transmitters in conjunction with a calibrated transmitter adapted to measure the pressure developed within the cavity