用特定声波干扰蚊子听觉，破坏其通信能力。
Sound Masking Strategies for Interference with Mosquito Hearing
- 将声能集中于少数频率的掩蔽信号效果最佳。
- 快速频率调制的声波最能破坏信息传递与可懂度。
- 适合用于蚊子控制或保护野生动物通信。
听觉掩蔽在心理声学和工程应用中长期受到关注，用于掩盖对人类或与人类栖息地重叠的物种造成干扰的声音。通常我们希望最小化对野生动物交流的干扰，但在传播病原体的昆虫情况下，我们可能希望最大化这种干扰以控制种群。本文研究了通用主动听觉系统模型和蚊子听觉系统模型的候选掩蔽策略。两个模型均发现，将所有声能集中在一两个频率上的掩蔽信号表现最优。研究提出，基于快速频率调制的掩蔽信号最有效，能最大程度干扰信息传输并降低可懂度。这些结果有望指导声信号的选择或避免，分别用于最大化或最小化通信效果。
原文摘要 · Abstract (English)
The use of auditory masking has long been of interest in psychoacoustics and for engineering purposes, in order to cover sounds that are disruptive to humans or to species whose habitats overlap with ours. In most cases, we seek to minimize the disturbances to the communication of wildlife. However, in the case of pathogen-carrying insects, we may want to maximize these disturbances as a way to control populations. In the current work, we explore candidate masking strategies for a generic model of active auditory systems and a model of the mosquito auditory system. For both models, we find that masks with all acoustic power focused into just one or a few frequencies perform best. We propose that masks based on rapid frequency modulation are most effective for maximal disruption of information transfer and minimizing intelligibility. We hope that these results will serve to guide the avoidance or selection of possible acoustic signals for, respectively, maximizing or minimizing communication.
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