Accuracy of cochlear implant recipients in speech reception in the presence of background music.
Accuracy of cochlear implant recipients in speech reception in the presence of background music.
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DOI：
10.1177/000348941212101203
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发表时间：
2012-12
期刊：
影响因子：
--
通讯作者：
Driscoll V
中科院分区：
文献类型：
--
作者：
Gfeller K;Turner C;Oleson J;Kliethermes S;Driscoll V
本研究（a）检查了人工耳蜗（CI）接受者在三种对比类型背景音乐的频谱复杂听力条件下的语音识别能力，（B）比较了基于听众组的性能：使用传统长电极（LE）设备的CI接受者，混合CI接受者（声电刺激）和正常听力（NH）成人。我们测试了154 LE CI收件人使用不同的设备和策略，21个混合CI收件人，和49个NH成年人的封闭式识别的spondees呈现在三个对比形式的背景音乐（钢琴独奏，大型交响乐团，声乐独奏与小组合伴奏）在自适应测试。音乐中语音的信噪比阈值（SRTM）与背景噪声和多说话者牙牙学语中的语音识别，音高感知和音乐体验的测量有关。SRTM阈值作为背景音乐类别、组成员（LE、混合、NH）和年龄的函数而变化。背景音乐中的语音识别与音高感知和背景噪声阈值中的语音识别显著相关;听觉状态是一个重要的预测因素。有证据表明，背景音乐中的言语接收阈值随听众年龄（年龄越大越有害）、不同类型音乐的结构特征和听力状态（残余听力）而变化。这些发现对日常听力条件有影响，例如在有背景音乐的社交或商业场合中进行交流。
This study (a) examined speech recognition abilities of cochlear implant (CI) recipients in the spectrally complex listening condition of three contrasting types of background music, and (b) compared performance based upon listener groups: CI recipients using conventional long-electrode (LE) devices, Hybrid CI recipients (acoustic plus electric stimulation), and normal-hearing (NH) adults. We tested 154 LE CI recipients using varied devices and strategies, 21 Hybrid CI recipients, and 49 NH adults on closed-set recognition of spondees presented in three contrasting forms of background music (piano solo, large symphony orchestra, vocal solo with small combo accompaniment) in an adaptive test. Signal-to-noise thresholds for speech in music (SRTM) were examined in relation to measures of speech recognition in background noise and multi-talker babble, pitch perception, and music experience. SRTM thresholds varied as a function of category of background music, group membership (LE, Hybrid, NH), and age. Thresholds for speech in background music were significantly correlated with measures of pitch perception and speech in background noise thresholds; auditory status was an important predictor. Evidence suggests that speech reception thresholds in background music change as a function of listener age (with more advanced age being detrimental), structural characteristics of different types of music, and hearing status (residual hearing). These findings have implications for everyday listening conditions such as communicating in social or commercial situations in which there is background music.
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