BS EN 60704-2-1 AMD1. Household and similar electrical appliances. Test code for the determination of airborne acoustical noise. Part 2-1. Particular requirements for vacuum cleaners— 19 стр.
Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering methods for an essentially free field over a reflecting plane— 86 стр.
Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering methods for small movable sources in reverberant fields -- Part 1: Comparison method for a hardwalled test room— 44 стр.
