Acoustics. Laboratory measurement of the flanking transmission of airborne & impact sound between adjoining rooms. Application to light elements when the junction has a small influence Acoustics, Sound insulation, Acoustic measurement, Acoustic testing, Construction systems parts, Buildings, Airborne sound insulation, Impact sound insulation, Laboratory testing, Walls, Floors, Ceilings, Between, Rooms, Suspended ceilings, Floating floors, Suspended floors, Facades