音乐经验对噪声下言语精细结构识别的影响

Influence of Music Experience on the Temporal Fine Structure Perception of Speech under Noise

吴迪;李葆明;胡旭君;

1:杭州师范大学教育学院心理(特教)系

2:浙江中医药大学医学技术与信息工程学院

摘要
目的 通过比较具有不同音乐经历的听力正常青年人噪声下分析和拾取言语精细结构的能力,探讨音乐经验对噪声下言语识别的影响。方法 选择52名对音乐不同程度兴趣但未受专业音乐训练的正常听力大学生作为研究对象,进行噪声下言语测试及金·史密斯音乐多维指数(Goldsmiths musical sophistication index, GOLD-MSI)量表测试。噪声下言语测试设5个难度水平,即在言语声中时间包络信噪比(signal-to-noise ratio in temporal envelope, SNR in TE)为-18 dB的前提下,精细结构信噪比(signal-to-noise ratio in temporal fine structure, SNR in TFS)设置为-18、-12、-6、0、6 dB这5种条件下测试受试者噪声下言语识别率(SRS in noise)。GOLD-MSI量表有“音乐参与”、“音乐感知”、“音乐训练”、“歌唱能力”、“音乐情感”、“一般能力”6个维度,前5个为分量表,最后一个为总量表。运用SPSS 22.0进行两变量相关分析。结果 SNR in TE为-18 dB,SNR in TFS分别为-6、0、6 dB时的噪声下SRS与“积极参与”、“音乐情感”和“一般能力”得分呈正相关;SNR in TE为-18 dB,SNR in TFS分别为0、6 dB时的SRS in noise与“音乐感知”和“歌唱能力”得分呈正相关。结论 音乐经验丰富的受试者能够根据噪声中的精细结构线索,更好地还原声音信息,提高噪声下的言语识别,提示对音乐的积极参与及强力感知可能利于言语听觉能力的发展。
关键词
音乐经验;精细结构信息;噪声下言语识别;听力康复
基金项目(Foundation):
作者
吴迪;李葆明;胡旭君;
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