
Standard Specification for Sound Sources Used for Testing Open Office Components and Systems
NORMA vydaná dňa 10.7.1998
Designation standards: ASTM E1179-87(1998)
Note: NEPLATNÁ
Publication date standards: 10.7.1998
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
Acoustical materials/tests, Background noise, Directivity measurement, Loudspeakers, Microphones, Noise level measurement, Octave filters, Qualification signal, Sound transmission-open plan spaces, Speech privacy, sound sources used for testing open office components/systems, spec, ICS Number Code 17.140.01 (Acoustic measurements and noise abatement in general)