Household appliances control device for the elderly
Salces, Fausto J Sainz
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An evaluation of musical earcons was carried out to see whether they are an effective and efficient method of delivering information about household appliances to elderly people. A test was carried out to explore the ability of the elderly subjects in remembering and learning the musical earcons. This test indicated a poor rate of recognition of the earcons. A second test that included the presentation of information in three modes (audio, visual and multimodal) was performed to determine which modality was preferred to deliver certain types of information among this group. We hypothesized that the multimodal interface would be the best in terms of speed and accuracy of response, and this was supported by the data. The results showed the need for a redesign of the earcons.