Design of elder-friendly auditory signals for microwave ovens

2015 International Conference on Informatics, Electronics & Vision (ICIEV) Pub Date : 2015-06-15 DOI:10.1109/ICIEV.2015.7333977

Naoki Kadota, M. Mizumachi, Y. Nakatoh

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Abstract

Recent house electrical appliances generate a number of auditory signals, when a user operates an appliance or an appliance draws attention to a user. In this paper, we focus on multi-functional microwave ovens, which commonly have several auditory signals for user's operation, error occurrence, completion of cooking, and so on. A wide variety of auditory signals for current microwave ovens have two problems: it is difficult for users to image what the auditory signals inform, and the auditory signals including high frequency components are not friendly for elderly users. In this paper, popular auditory signals for microwave ovens were subjectively evaluated with/without an elderly-simulated band-pass filter, which simulated an averaged audiogram of elder people, on the five grade scales of easiness of perception, unpleasantness, and emergency. Experimental results suggest that young and elderly people might imagine different function for a single auditory signal. Finally, suitable auditory signals both for young and elderly users are proposed in the viewpoints of frequency and temporal patterns.

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适合老年人使用的微波炉声音信号设计

最近的家用电器在用户操作电器或电器引起用户注意时，会产生许多听觉信号。本文以多功能微波炉为研究对象，多功能微波炉通常有几种声音信号，用于用户的操作、错误发生、烹饪完成等。当前微波炉使用的声音信号种类繁多，存在两个问题:一是用户难以想象声音信号所传达的信息，二是含有高频成分的声音信号对老年用户不友好。本文采用模拟老年人平均听力图的老年人模拟带通滤波器，对微波炉常用的听觉信号进行主观评价，分为易感知、不愉快和紧急五个等级。实验结果表明，年轻人和老年人可能会对同一个听觉信号想象出不同的功能。最后，从频率和时间模式的角度提出了适合年轻人和老年人的听觉信号。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 International Conference on Informatics, Electronics & Vision (ICIEV)

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