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Need for Standardization in the Measurement of Speech Level

 

作者: Paul T. Brady,  

 

期刊: The Journal of the Acoustical Society of America  (AIP Available online 1971)
卷期: Volume 50, issue 2B  

页码: 712-714

 

ISSN:0001-4966

 

年代: 1971

 

DOI:10.1121/1.1912689

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

A literature survey indicates lack of standardization of a speech‐level measure among published experiments. In addition, experiments reported here show that the measure most commonly used, the VU (volume unit), exhibits high variability, especially among nonexpert observers. The possibility of better measures of speech level is demonstrated by a completely objective measure based on an assumed log uniform distribution of instantaneous voltage levels. It is concluded that there is a need to reassess the general problem of speech‐level measurement and to propose new approaches.

 

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