耳植入器接受者在噪音中的语音理解,使用带有定向麦克风的耳外音处理器中的空间降噪设置
Marian Jones1, Chris Warren1, Marjan Mashal1
1Cochlear Ltd., Sydney, Australia.
Cochlear implants international
|August 11, 2023
概括
耳植入物使用者可以在杂的环境中更好地听到ForwardFocus功能. 这种空间降噪技术显著提高了语音识别,即使有多个背景噪声源.
科学领域:
- 听力学 听力学是指听力学.
- 生物医学工程 生物医学工程
- 语音和听力科学 语言和听力科学
背景情况:
- 耳植入物 (CI) 接受者经常在背景噪音下难以听到.
- 空间降噪技术旨在在复杂的声学环境中提高语音可理解性.
研究的目的:
- 为了评估ForwardFocus空间降噪功能在CI用户的耳外 (OTE) 声音处理器中的有效性.
- 用ForwardFocus和没有ForwardFocus在背景噪音下评估听力表现.
主要方法:
- 22名成年IC接受者参与了这项研究.
- 语音接收值 (SRT) 被测量在安静和各种噪音条件下 (固定和漫游).
- 主观用户体验是在带回家期间后收集的.
主要成果:
- 在具有挑战性的噪音条件下,ForwardFocus显著改善了语音接收值 (例如,在4个说话者在后面喋喋不休时 -8.5dB,在12个说话者在侧面/后面喋喋不休时 -3.9dB).
- 在S0N3条件的结果显示,ForwardFocus激活后 (p=0.0018) 呈现出统计学上显著的改善.
- 主观评级表明与使用ForwardFocus的OTE处理器具有可比或优越的性能.
结论:
- 在OTE音频处理器中的ForwardFocus为CI用户在竞争的背景噪音中提供了可观的语音识别优势.
- 这些发现支持临床医生向CI接受者提供有关高级声音处理选项的建议.
相关概念视频
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The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
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Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
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