EFFECTS OF AGE AND MILD HEARING-LOSS ON SPEECH RECOGNITION IN NOISE
EFFECTS OF AGE AND MILD HEARING-LOSS ON SPEECH RECOGNITION IN NOISE
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DOI：
10.1121/1.391011
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发表时间：
1984-01-01
影响因子：
2.4
通讯作者：
MORGAN, DE
中科院分区：
文献类型：
--
作者：
DUBNO, JR;DIRKS, DD;MORGAN, DE
采用自适应策略，评估了轻度感音神经性听力损失和成年受试者的实际年龄对多路重合声中语音识别的影响。实现50%的识别所需的信号混串音比测量三个语音材料在软到大声的会话语音水平。测试了四组受试者：> 44岁的听力正常的受试者，< 44岁的轻度感音神经性听力损失的受试者和安静时出色的语音识别，> 65岁的听力正常的听力正常的受试者，以及> 65岁的轻度听力损失的受试者和安静时出色的表现。组1和3，组2和4的基础上匹配的纯音阈值，和阈值的3个语音材料中的每一个在安静。第1组和第2组的平均年龄和年龄范围相似，第3组和第4组也相似。听力正常和听力受损的听众，尽管在安静的表现相当，但作为年龄的函数，在噪声中的表现存在差异。轻度听力损失的受试者的表现明显比听力正常的受试者差。这些结果及其影响进行了讨论。
Using an adaptive strategy, the effects of mild sensorineural hearing loss and adult listeners'' chronological age on speech recognition in babble were evaluated. The signal-to-babble ratio required to achieve 50% recognition was measured for three speech materials presented at soft to loud conversational speech levels. Four groups of subjects were tested: normal-hearing listeners > 44 years of age, subjects < 44 years old with mild sensorineural hearing loss and excellent speech recognition in quiet, normal-hearing listeners > 65 with normal hearing, and subjects > 65 yr old with mild hearing loss and excellent performance in quiet. Groups 1 and 3, and groups 2 and 4 were matched on the basis of pure-tone thresholds, and thresholds for each of the 3 speech materials presented in quiet. Groups 1 and 2 were similar in terms of mean age and age range, as were groups 3 and 4. Differences in performance in noise as a function of age were observed for both normal-hearing and hearing-impaired listeners despite equivalent performance in quiet. Subjects with mild hearing loss performed significantly worse than their normal-hearing counterparts. These results and their implications are discussed.