唇读对听障儿童语音识别的帮助作用

The Role of Lip-Reading for Hearing-impaired Children in Phonetic Identification

石涯;王永华;李文靖;

1:浙江中医药大学

2:山东省立医院集团眼耳鼻喉医院

摘要
目的运用McGurk效应范式材料,探究唇读对听障儿童语音识别的帮助作用。方法实验组选择双耳重度语前聋且双耳接受助听器补偿的儿童36例(1012岁,平均11.82±1.54岁),对照组为听力正常儿童36例(1012岁,平均11.82±1.54岁),对照组为听力正常儿童36例(1013岁,平均11.23±1.75岁)。McGurk效应范式测听材料由音频和视频组成,音频包括/ba/、/da/、/bi/、/di/、/bu/、/du/6个刺激音,视频内容为6个音发音时的完整图像资料,经软件处理,在纯听、视听一致、视听不一致三种条件下,测试两组受试者的听觉反应正确率。结果实验组在纯听、视听一致、视听不一致条件下的听觉反应正确率分别为71.23%±19.20%、96.13%±7.10%、11.12%±16.20%,对照组分别为93.15%±10.02%、96.21%±11.12%、54.03%±23.41%,两组受试者听觉反应正确率均依次降低。视听不一致条件下测听时,正常儿童听觉反应所占比例(54.04%±23.23%)显著高于听障儿童(11.47%±16.32%)(P<0.05)。结论视听结合是最佳聆听条件,唇读对听障儿童语音识别有帮助作用。
关键词
听障儿童;唇读;语音识别
基金项目(Foundation):
作者
石涯;王永华;李文靖;
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石涯王永华李文靖