Volume 43 Issue 2
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JOURNAL OF MECHANICAL ENGINEERING  > 2017  >  43(2): 224-229.
WANG Shuopeng, YANG Peng, SUN Hao. Indoor Sound-position Fingerprint Method Based on Scenario Analysis[J]. JOURNAL OF MECHANICAL ENGINEERING, 2017, 43(2): 224-229. doi: 10.11936/bjutxb2016050083
Citation: WANG Shuopeng, YANG Peng, SUN Hao. Indoor Sound-position Fingerprint Method Based on Scenario Analysis[J]. JOURNAL OF MECHANICAL ENGINEERING, 2017, 43(2): 224-229. doi: 10.11936/bjutxb2016050083
shu

Indoor Sound-position Fingerprint Method Based on Scenario Analysis

doi: 10.11936/bjutxb2016050083
  • 1.

    School of Control Science and Engineering, Hebei University of Technology, Tianjin 300130, China

  • 2.

    Smart Recovery Device and Testing Technology Engineering Research Center of Ministry of Education, Tianjin 300130, China

  • 3.

    Hebei Province Control Engineering Research Center, Tianjin 300130, China

  • Received Date: 31 May 2016
    Available Online: 13 Sep 2022
  • Issue Publish Date: 01 Feb 2017
    Abstract
  • To solve the problems of high model dependence and low accuracy of sound source localization method based on geometric model in unstructured space, a localization method via sound-position fingerprint method was proposed. Position estimation was achieved by comparing the spatial characteristics of sound signal recorded at location point with the positioning database. The method included two stages. At the off-line sampling stage, sound signals of positioning reference nodes were obtained and the feature information was extracted to build the positioning database. While at the online stage, the real-time signal characteristics of pending sites were matched with the positioning database to accomplish the location task. Simulation results show that under the condition of sparse microphones and with large noise, the proposed localization method has rather small sound source position estimation bias, and the positioning performance can meet the demands of practical application.

     

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    • References(16)
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