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Interfering noises (or interfering sounds) are sounds with a negative sound quality, that is, the sound event leads to a hearing event, which is perceived as unpleasant, disturbing and interfering. This sound event usually releases negative associations as regards the suitability of the product and it is on the whole perceived as not matching the product. == Definition == A noise can be characterised as interfering, if it fulfils at least one of the following conditions: *A sound is unpleasant or interfering, even if passengers expect this sound due to their actions. The sound quality is worse than expected. The extent to which the person feels disturbed (little or high) is not relevant. *A sound occurs without the user expecting the sound event (e.g. rattling of parts of the interior trims). *The noise does not occur due to any event related to the usage of the automobile (e.g. warning noises due to a lack of engine lubrication). There is a multiplicity of parameters which play a role in the definition of sound quality. The definition considers the psychologically important distinction between disturbing and function sounds. Function sounds are sounds such as the often desired full sound of an engine. In addition, there is trend in the automotive industry that a complete acoustic insulation is not desirable from the point of view of the customer. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Interfering noise」の詳細全文を読む スポンサード リンク
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