Journal of South China University of Technology (Natural Science Edition) ›› 2013, Vol. 41 ›› Issue (8): 127-130,144.doi: 10.3969/j.issn.1000-565X.2013.08.021

• Physics • Previous Articles     Next Articles

Comparison of Chinese Syllable Recognition Ability by Children in Low- Frequency Noise and White Noise

Peng Jian- xin Wang Jun- dong   

  1. Department of Physics,School of Sciences,South China University of Technology,Guangzhou 510640,Guangdong,China
  • Received:2012-09-01 Revised:2012-10-22 Online:2013-08-25 Published:2013-07-01
  • Contact: 彭健新(1968-)，男，博士，副教授，主要从事建筑声学、环境声学、功率超声研究． E-mail:phjxpeng@scut.edu.cn
  • About author:彭健新(1968-)，男，博士，副教授，主要从事建筑声学、环境声学、功率超声研究．
  • Supported by:

    国家自然科学基金资助项目(11374106， 10774048);广东省科技计划项目(2011B061300066);广州市科技计划项目(2012KP021)

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Abstract:

Two room impulse responses with flat reverberation frequency characteristics and different reverberation time in low and medium frequency domains were obtained in a listening position of a classroom model through acoustical simulation.Then,the Chinese syllable recognition performances of two groups of children in differentages were evaluated under white noise and low- frequency noise conditions via an auralization method,and the re-sults were finally compared with those of adults.It is found that (1) the Chinese syllable recognition scores of chil-dren in low- frequency noise are lower than those in white noise; (2) no matter what the frequency condition of noise is,the Chinese syllable recognition scores of children are lower than those of adults at the same signal- to- noise ratio and reverberation time; and (3) the Chinese syllable recognition scores are positively related to children’ s age.

Key words: Chinese syllable recognition, low- frequency noise, white noise, signal- to- noise ratio, reverberation time

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