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首页> 美国政府科技报告 >Binaural Improvement in Normal and Defective Ears in a Background of Other Voices.
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Binaural Improvement in Normal and Defective Ears in a Background of Other Voices.

机译：在其他声音背景下正常和缺陷耳朵的双耳改善。

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A realistic artificial head with hi-fi microphones in the positions of eardrums was placed in a large echo-free chamber, looking at a loudspeaker ten feet distant. The loudspeaker presented lists of ten colloquial sentences, while two other loudspeakers at plus or minus 45 deg presented a male and a female voice reading interesting materials. Two-channel magnetic tape recordings were created of this 'multiple voice' situation, at various relative strengths of the background voices. These tapes were administered to one ear, and again to both ears, of 22 normal-hearing young men, and to 22 monaural hypacusics. The monaural mode for the hypacusics was always the better ear. The test is also useful for determining the performance of an individual in certain military multiple-voice listening situations.

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