音箱、音响、组合音响、留声机、DVD、VCD、CD检测

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