Multimedia transmission system of speech/sign/letter information for the hearing-impaired

第一年：收集了1)口型传递的语音信息，2)发音失真与牙弓的关系，3)听障人士使用语言媒介的能力的基本数据。第二年：关于3)听障人士使用语言媒介的能力，详细分析了助听器、唇读、手指拼写和手势使用能力的时间变迁，根据1991年全国残疾人康复中心对听障人士传播媒介的调查，结果表明，利用多媒体传播技术进行信息传递的听障人士，需要采取综合策略，充分利用听觉信息的剩余听觉能力，提高读唇读、拼手指、手势的能力，使图像信息得到直观的利用，提高语言能力，使文字信息得到快速处理。

The 1st year :Basic data were collected on 1) speech information transmitted by mouth shapes, 2) relationship between distortion of pronunciation and tooth arch, and 3) ability of use of language media by the hearing-impaired.The 2nd year :Regarding to 3) ability of use of language media by the hearing-impaired among those items, chronological transition of the ability of use of hearing-aid, lip-reading, finger-spelling and signing was analyzed in detail, referring to the investigation on communication media of the hearing-impaired by the national rehabilitation center for the disabled in 1991.The results show that for the hearing-impaired benefiting from information transmission through the multi-media communication technology, such a comprehensive strategy is necessary as to utilize all of the residual hearing ability for auditory information, to improve the ability of lip-reading, finger-spelling and signing so that the picture information can be utilized visually, and to improve the language ability in general so that the letter information can be processed quickly.