在人工耳蜗声音处理器上安装耳机,取代直接音频输入。

IF 1.2 Q3 ACOUSTICS
Joshua G W Bernstein, Julianna Voelker, Sandeep A Phatak
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引用次数: 0

摘要

对于许多较新的声音处理器(SP)来说,通过直接音频输入(DAI)向人工耳蜗提供心理声学刺激已不再可能。本研究评估了在 SP 上放置环耳耳机的可行性。通过测量在声学人体模型上向 SP 播放音调时人工耳蜗的电输出水平,估算了扬声器、DAI 和耳机模式的校准频谱。不同模式之间校准频谱的差异主要来自麦克风响应特性(DAI 和其他模式之间的高频差异)或邻近效应(耳机和扬声器之间的低频差异)。我们提供了校准表来调整三种模式之间的差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Headphones over the cochlear-implant sound processor to replace direct audio input.

Psychoacoustic stimulus presentation to the cochlear implant via direct audio input (DAI) is no longer possible for many newer sound processors (SPs). This study assessed the feasibility of placing circumaural headphones over the SP. Calibration spectra for loudspeaker, DAI, and headphone modalities were estimated by measuring cochlear-implant electrical output levels for tones presented to SPs on an acoustic manikin. Differences in calibration spectra between modalities arose mainly from microphone-response characteristics (high-frequency differences between DAI and the other modalities) or a proximity effect (low-frequency differences between headphones and loudspeaker). Calibration tables are provided to adjust for differences between the three modalities.

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