(812) 309-78-59
(495) 223-46-76
ASTM E1179-87(2003)
Standard Specification for Sound Sources Used for Testing Open Office Components and Systems
2 стр.
Заменен
Электронный (pdf)Печатное издание
84.24 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
Сборник (ASTM):
04.06 Thermal Insulation; Building and Environmental Acoustics / Теплоизоляция; Внутренняя звукоизоляция зданий и звукоизоляция от внешней среды
Тематика:
Buildings
Описание
Область применения

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.

Ключевые слова:
loudspeaker; open office; open office components; open office components and systems; sound; sound source directivity; sound sources