
SOUND SYSTEM EQUIPMENT - STANDARD VOLUME INDICATORS
出版:International Electrotechnical Committee

专家解读视频
Gives the characteristics to be specified, performance requirements and the relevant methods of measurement for electromechanical volume indicators. The concept of 'volume' is a practical way of assigning a numerical value to the magnitude of electrical speech and music programme signals.
NFC 97 317 : 1992 - Identical
DIN IEC 60268-17 : 1992 - Identical
CEI 84-15 : 1998 - Identical
SAC GB/T 17311 : 1998 - Identical
UNE 20502-17 : 1996 - Identical
HD 483.17 : 200S1 - Identical
NEN 10268-17 : 1991 - Identical
DS HD 483-17 : 1992 - Identical
HD 483.17 : 200S1 - Identical
CEI 84-15 : 1998 - Identical
NEN 10268-17 : 1991 - Identical
DS HD 483-17 : 1992 - Identical
DIN IEC 60268-17 : 1992 - Identical
NFC 97 317 : 1992 - Identical
UNE 20502-17 : 1996 - Identical
SAC GB/T 17311 : 1998 - Identical