减少通道交互改善了在声编码模拟下对声植入物处理的音标识别.
1Department of Audiology, Ankara Medipol University Faculty of Health Sciences, Ankara.
概括
频道相互作用显著影响耳植入物 (CI) 用户的音色感知,而频道数量没有. 为道交互优化CI处理是提高听觉表现的关键.
科学领域:
- 听觉神经科学 听觉神经科学
- 语音和听力科学 语言和听力科学
- 生物医学工程 生物医学工程
背景情况:
- 音调感知对于音乐和语音理解至关重要.
- 耳植入物 (CI) 处理影响听觉感知,特别是音色.
- 了解影响CI用户音调感知的因素对于提高设备性能至关重要.
研究的目的:
- 研究道数量和道相互作用如何影响CI处理中的音色识别 (TR).
- 在各种模拟CI条件下,将正常听力 (NH) 参与者和CI接受者之间的音色识别性能进行比较.
- 为了确定最佳的CI处理参数,以增强听觉感知.
主要方法:
- 对14名CI接受者和两组NH参与者 (N=16,N=19) 进行了音色识别任务.
- 通过使用声编码器模拟,对NH参与者进行了不同频道数 (8-20) 和频道相互作用水平 (低,中,高) 的测试.
- 使用统计分析,包括重复测量ANOVA,来评估通道数和互动对TR的影响.
主要成果:
- 道的数量没有显著影响NH参与者的TR (p > 0.05).
- 道相互作用显著影响了TR (p < 0.001).
- 低 (54 dB/八度) 和高 (12 dB/八度) 的通道相互作用条件都显示出与CI接收者的性能相比显著的差异.
结论:
- 在CI处理中的通道数量不会显著影响音色感知.
- 频道相互作用是影响CI用户音色感知的关键因素.
- 在CI处理中优化通道相互作用可能会改善光谱-时间分辨率和光谱线索,增强音乐和听觉性能.
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