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Research on the conditions under which TV images and sounds can be presented to elderly people in more user-friendly manner

研究如何以更人性化的方式向老年人呈现电视图像和声音

基本信息

批准号：
16500137
负责人：
ISONO Haruo
金额：
$ 1.98万
依托单位：
Nippon Institute of Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2004
资助国家：
日本
起止时间：
2004 至 2006
项目状态：
已结题

项目摘要

Japan, one of the world's a most advanced nations, is feeling the strain of aging. Of the country's population of 130 million people, 20 million are aged 65 or older, a figure that is projected to rise to one in four by 2025. In such an aging society, the number of elderly TV viewers will rise dramatically, so it is important to provide TV programs that are easy to see and understand for the elderly and those with disabilities. Among the complaints often raised by elderly viewers are that news program announcers speak too quickly and that the program's BGM and other noise including the audience's voice make it more difficult to hear the sounds. With this background, we examined the conditions under which TV images and sounds can be presented to the elderly and those with disabilities in a more user-friendly manner.In this study, we first conducted a subjective test to evaluate the user-friendliness of TV news sounds for the elderly and young viewers. We studied audio conditions under which the elderly could hear the announcer's voice more clearly in a news program and compared the results between the elderly and young people. Next, we checked how well sign language images could be understood by hearing-impaired viewers depending on their familiarity with sign language and proposed an optimal speed of reproduction. In subjective evaluation test, sign language news images were presented to the participants with hearing impairments at this preferred reproduction speed. We also constructed a system that allows viwers to freely change the speed of presentation of sign language images on the Internet. We clarified the system's usefulness and problems in a subsequent questionnaire survey of hearing-impaired viewers.

日本作为世界上最先进的国家之一，正在感受到老龄化的压力。在中国1.3亿人口中，有2000万人年龄在65岁以上，预计到2025年这一数字将上升到四分之一。在老龄化社会中，老年电视观众的数量将急剧增加，因此为老年人和残疾人提供易于观看和理解的电视节目非常重要。老年观众经常抱怨的问题是新闻节目播音员语速太快，节目的背景音乐和其他噪音（包括观众的声音）使听清声音变得更加困难。在此背景下，我们研究了在何种条件下电视图像和声音能够以更加人性化的方式呈现给老年人和残疾人。在本研究中，我们首先进行了主观测试，以评估电视新闻声音对老年人和年轻观众的用户友好性。我们研究了老年人在新闻节目中可以更清楚地听到播音员声音的音频条件，并比较了老年人和年轻人的结果。接下来，我们检查了听力障碍观看者对手语图像的理解程度，具体取决于他们对手语的熟悉程度，并提出了最佳的再现速度。在主观评价测试中，手语新闻图像以这种首选的再现速度呈现给有听力障碍的参与者。我们还构建了一个系统，允许观看者自由改变手语图像在互联网上的呈现速度。我们在随后针对听障观众的问卷调查中阐明了该系统的有用性和问题。