KS C 6531-1997 组合音响用扬声器系统
Speaker system for audio set
SIS SS-IEC 942:1991 音响效果.声音测量仪
Acoustics - Sound calibrators
CSN 01 1602-1965 声音的响度与响度级
Zpracovatel: Státní v?zkumn? ústav pro stavbu stroj?, Běchovice u Prahy Pracovník ??adu pro normalizaci a mě?ení: in?. Milo? Zdeněk
Loudness and Loudness Level of the Sound
SIS SS-IEC 1012:1991 音响效果.超频率音响环境中可听声音测量滤波器
Acoustics - Filters for the measurement ofaudible sound in the presence of ultrasound
SIS SS IEC 651:1986 音响效果.声级计
1.1 General This standard describes instruments (sound level meters) for the measurement of certain frequency and time weighted sound pressure
Acoustics — Sound level meters
JIS Z8734-1988 混响室音响声级测定方法
Precision methods for the determination of sound power level in reverberation rooms
NBN-EN 27917-1992 声音.耳测割灌机发出的响声
KS I 6131-1999 音响.飞机内噪音的测量
이 규격은 모든 종류의 항공기 기내 소음을 재현 가능, 비교 가능하도록 측정하기 위한
Acoustics-Measurement of noise inside aircraft
KS C IEC 60942:2004 电声学.音响校准器
이 규격은 음향 교정기의 세 가지 클래스, 클래스 LS(실험실용 표준), 클래스 1 및 클
Electroacoustics-Sound calibrators
IEC 60942:1997 电声学.音响校准器
Electroacoustics - Sound calibrators
IEC 60942:2003 电声学.音响校准器
Specifies the performance requirements for three classes of sound calibrator. Sound calibrators are designed to produce a known effective sound
Electroacoustics - Sound calibrators
IEC 60942:2017 电声学.音响校准器
This document specifies the performance requirements for three classes of sound calibrator: class LS (Laboratory Standard), class 1 and class 2
Electroacoustics - Sound calibrators
BS EN IEC 60942:2018 电声学.音响校准器
Electroacoustics. Sound calibrators
DIN EN 60942:2004 电声学.音响校准器
This International Standard specifies the performance requirements for three classes of sound calibrator: laboratory standard (class LS), class 1
Electroacoustics - Sound calibrators (IEC 60942:2003); German version EN 60942:2003
NF S31-139*NF EN IEC 60942:2018 电声学.音响校准仪
Electroacoustics - Sound calibrators
KS C 6531-1997 组合音响用扬声器系统
Speaker system for audio set
SIS SS-IEC 942:1991 音响效果.声音测量仪
Acoustics - Sound calibrators
CSN 01 1602-1965 声音的响度与响度级
Zpracovatel: Státní v?zkumn? ústav pro stavbu stroj?, Běchovice u Prahy Pracovník ??adu pro normalizaci a mě?ení: in?. Milo? Zdeněk
Loudness and Loudness Level of the Sound
SIS SS-IEC 1012:1991 音响效果.超频率音响环境中可听声音测量滤波器
Acoustics - Filters for the measurement ofaudible sound in the presence of ultrasound
SIS SS IEC 651:1986 音响效果.声级计
1.1 General This standard describes instruments (sound level meters) for the measurement of certain frequency and time weighted sound pressure
Acoustics — Sound level meters
JIS Z8734-1988 混响室音响声级测定方法
Precision methods for the determination of sound power level in reverberation rooms
NBN-EN 27917-1992 声音.耳测割灌机发出的响声
KS I 6131-1999 音响.飞机内噪音的测量
이 규격은 모든 종류의 항공기 기내 소음을 재현 가능, 비교 가능하도록 측정하기 위한
Acoustics-Measurement of noise inside aircraft
KS C IEC 60942:2004 电声学.音响校准器
이 규격은 음향 교정기의 세 가지 클래스, 클래스 LS(실험실용 표준), 클래스 1 및 클
Electroacoustics-Sound calibrators
IEC 60942:1997 电声学.音响校准器
Electroacoustics - Sound calibrators
IEC 60942:2003 电声学.音响校准器
Specifies the performance requirements for three classes of sound calibrator. Sound calibrators are designed to produce a known effective sound
Electroacoustics - Sound calibrators
IEC 60942:2017 电声学.音响校准器
This document specifies the performance requirements for three classes of sound calibrator: class LS (Laboratory Standard), class 1 and class 2
Electroacoustics - Sound calibrators
BS EN IEC 60942:2018 电声学.音响校准器
Electroacoustics. Sound calibrators
DIN EN 60942:2004 电声学.音响校准器
This International Standard specifies the performance requirements for three classes of sound calibrator: laboratory standard (class LS), class 1
Electroacoustics - Sound calibrators (IEC 60942:2003); German version EN 60942:2003
NF S31-139*NF EN IEC 60942:2018 电声学.音响校准仪
Electroacoustics - Sound calibrators
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