NF C97-357-3*NF EN 50332-3:2017 Sound system equipment: headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 3 : measurement method for sound dose management
2017NF C97-357-3*NF EN 50332-3:2017 Sound system equipment: headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 3 : measurement method for sound dose management