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Evaluating warning sound urgency with reaction times

机译：评估反应时间的警告声紧迫感

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It is well-established that subjective judgments of perceived urgency of alarm sounds can be affected by acoustic parameters. In this study, the authors investigated an objective measurement, the reaction time (RT), to test the effectiveness of temporal parameters of sounds in the context of warning sounds. Three experiments were performed using a RT paradigm, with two different concurrent visuomotor tracking tasks simulating driving conditions. Experiments 1 and 2 show that RT decreases as interonset interval (IOI) decreases, where IOI is defined as the time elapsed from the onset of one sound pulse to the onset of the next. Experiment 3 shows that temporal irregularity between pulses can capture a listener's attention. These findings lead to concrete recommendations: IOI can be used to modulate warning sound urgency; and temporal irregularity can provoke an arousal effect in listeners. The authors also argue that the RT paradigm provides a useful tool for clarifying some of the factors involved in alarm processing.
机译：众所周知，警报声音感应的主观判断可能受到声学参数的影响。在这项研究中，作者研究了客观测量，反应时间（RT），以测试警告声音背景中声音的时间参数的有效性。使用RT范例进行三个实验，具有两种不同的并发求解器跟踪任务模拟驾驶条件。实验1和2显示RT减小作为插入间隔（IOI）降低，其中IOi被定义为从一个声音脉冲的开始到下一个发出的时间。实验3表明脉冲之间的时间不规则可以捕获听众的注意力。这些调查结果导致具体的建议：IOI可用于调制警告声息;和时间不规则可以在听众中引起唤醒效应。作者还认为RT范例提供了一种有用的工具，以澄清报警处理中涉及的一些因素。

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