Document ID (ISN) | 50695 |
CIS number |
88-2055 |
Year |
1988 |
Convention or series no. |
ISO 7779
|
Title |
Acoustics - Measurement of airborne noise emitted by computer and business equipment |
Original title |
Acoustique - Mesurage du bruit aérien émis par les équipements informatiques et de bureau [in French] |
Bibliographic information |
International Organization for Standardization, Case Postale 56, 1211 Genève 20, Switzerland, 15 June 1988. 37p. Illus. 15 ref. |
Abstract |
Contents of this international standard: scope and field of application; conformance; definitions; methods for determining sound power levels of equipment in reverberation rooms or under essentially free-field conditions over a reflecting plane; a method for measuring sound pressure levels at the operator and bystander positions. Annexes include a standard test table, alternative measurement surfaces for sound power measurements in accordance with the standard, installation and operating conditions for specific equipment categories and a measurement method of impulsive sound pressure levels and discrete tones at the operator position. |
Descriptors (primary) |
ISO; sound power; acoustics; noise level measurement; office equipment; noise measurement; computer terminals |
Descriptors (secondary) |
impulse noise; field tests; standard; description of technique; glossary; replaced |
Document type |
F - Information notes, codes of practice, standards |
Subject(s) |
Noise, hearing and vibration
|
Broad subject area(s) |
Physical hazards
|
Browse category(ies) |
Office work Visual display terminals (VDTs) Noise
|