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sklademVydáno: 1990-10-30
IEC 60268-17:1990
Sound system equipment. Part 17: Standard volume indicators
Equipements pour systèmes électroacoustiques. Partie 17: Indicateurs de volume normalisés
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| Označení normy: | IEC 60268-17:1990 |
| Vydáno: | 1990-10-30 |
| Jazyk: | Anglicky |
Popis
IEC 60268-17:1990
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. The contents of the corrigendum of September 1991 have been included in this copy.