Abstract
Impact noise insulation has traditionally been thought of mostly in terms of vertical adjacencies, and ASTM E1007 provides no guidance for performing such a measurement in a lateral, diagonal, or other non-vertical condition. Because lateral impact transmission can be significant, the authors have developed methods and practices for performing this measurement (see papers by the authors at ICSV 2017 and Inter-Noise 2019). ISO 16283-2 also describes procedures and methods for the measurements and analysis of lateral impact noise measurements. The various measurement methods are compared and evaluated. For some assembly types, there is an advantage to maintain a constant distance from tapping machine to the separating partition. Appropriate ratings for categorization of lateral impact isolation are discussed, and changes to E1007 to clarify the measurement method are proposed.
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