- ZHU Peisheng
ZHU Peisheng
School of Architecture and Fine Art, Dalian University of Technology, Dalian 116023, China
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Search for this author on this site - MO Fangshuo
MO Fangshuo
Institute of Acoustics, Tongji University, Shanghai 200092, China
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Search for this author on this site - KANG Jian
KANG Jian
School of Architecture, University of Sheffield, Sheffield S10 2TN, UK
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School of Architecture and Fine Art, Dalian University of Technology,Institute of Acoustics, Tongji University,
TU112.1
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The speech transmission index (STI) and speech transmission index for public address system (STIPA) metrics at 12 receivers in 4 rooms, with a total of 48 acoustic conditions, were measured using the direct and indirect method and the measurement results of the two methods were compared, with a particular attention on the influence from the frequency response of the measurement system. The results show that, there is no substantial difference between STI and STIPA metrics; both direct and indirect measurement can be used as an objective rating method for speech intelligibility, as long as the standardised measurement program and measurement system are adopted.
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ZHU Peisheng, MO Fangshuo, KANG Jian. Experimental Comparison Between Direct and Indirect Measurement Methods for Speech Transmission Index[J].同济大学学报(自然科学版),2014,42(11):1759~1764
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History
- Received:October 24,2013
- Revised:September 16,2014
- Adopted:April 27,2014
- Online: November 07,2014
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