
Specification for normal equal-loudness level contours for pure tones under free-field listening conditions.
NORMA vydaná dňa 29.2.1988
Designation standards: BS 3383:1988
Note: NEPLATNÁ
Publication date standards: 29.2.1988
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategória: Technické normy BS