Methods of measurement on radio receivers for various classes of emission - Part 4: Receivers for frequency-modulated sound broadcasting emissions— 147 стр.
Sound system equipment. Headphones and earphones associated with portable audio equipment. Maximum sound pressure level measurement methodology and limit considerations. General method for "one package equipment"— 12 стр.
Acoustics -- Determination of sound immission from sound sources placed close to the ear -- Part 1: Technique using a microphone in a real ear (MIRE technique)— 25 стр.
Acoustics. Determination of sound immission from sound sources placed close to the ear. Technique using a microphone in a real ear (MIRE technique)— 32 стр.
