ASTM International - ASTM E1179-87(2003)
Standard Specification for Sound Sources Used for Testing Open Office Components and Systems
|Publication Date:||10 August 2003|
1.1 This specification states the requirements for sound sources used for measuring the speech privacy between open offices or for measuring the laboratory performance of acoustical components (see Test Methods E 1111 and E 1130).
1.2 The sound source shall be a loudspeaker located in an enclosure driven with an appropriate test signal.
1.3 This specification describes the sound source and method of qualifying it using a special qualification signal. Test signals required by open office test methods may differ.