听力障碍者使用麦克风和耳部接收器 (M&RIE) 助听器的语音感知结果
1Department of Audiology, All India Institute of Speech and Hearing, Manasagangothri, Mysuru, 570 006, India. chaithrac1503@gmail.com.
概括
耳机中的麦克风和接收器 (M&RIE) 助听器改善了新手和经验丰富的用户的语音识别. 这项技术通过利用耳道来提高声音质量.
科学领域:
- 听力学 听力学是指听力学.
- 助听器技术 助听器技术
- 语音感知 语音感知
背景情况:
- 耳中的麦克风和接收器 (M&RIE) 助听器在耳道入口内包含一个额外的麦克风,以利用皮纳线索.
- 使用语音识别措施的M&RIE助听器的临床验证是有限的.
研究的目的:
- 评估配备标准M&RIE接收器的助听器的语音识别和质量评级.
- 为了比较M&RIE助听器在原始和经验丰富的助听器用户中的性能.
主要方法:
- 20名患有轻度至中度严重的感觉神经神经听力损失的人被分为天真和经验丰富的组.
- 使用标准和M&RIE接收器评估了安静的语音识别和信号噪声比 (SNR-50).
- 自我感知的声音质量被评分在一个11分级别.
主要成果:
- 在安静或SNR-50条件下,天真和经验丰富的用户之间没有发现语音识别的显著差异.
- 朴素的用户报告说,标准收音机的清晰度,自然性,愉快性和整体印象的评分更高.
- 两组用户都在语音识别尺度 (SIS) 和SNR-50测量方面,通过M&RIE接收器证明了语音识别的改进.
结论:
- 在耳道中添加第三个麦克风可以提高语音识别和听觉音质,无论是天真的还是经验丰富的助听器用户.
- 皮纳和耳道共振是优化助听器增益处方的关键因素.
- 对于提高助听器的有效性,M&RIE技术显示出有前途.
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