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Discrimination of Filtered/Clipped Speech by Hearing‐Impaired Subjects

 

作者: Ian B. Thomas,   David W. Sparks,  

 

期刊: The Journal of the Acoustical Society of America  (AIP Available online 1971)
卷期: Volume 49, issue 6B  

页码: 1881-1887

 

ISSN:0001-4966

 

年代: 1971

 

DOI:10.1121/1.1912595

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

A form of preprocessed speech known to be highly intelligible to normal listeners was heard by a group of hearing‐impaired subjects. The preprocessing technique involves high‐pass filtering (cutoff 1100 Hz, slope 12 dB/oct) and infinite amplitude clipping. The subjects heard both unmodified and filtered/clipped word lists at 40‐, 30‐, and 20‐dB sensation levels. Discrimination scores for 13 out of 17 cases were significantly higher at 20‐ and 30‐dB sensation levels for filtered/clipped speech than for unmodified speech.

 

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