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Design of Active Noise Control Systems Using Ultrasonic Transducers and Acoustic Holography Techniques

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  • WEN-KUNG TSENG

    (Graduate Institute of Vehicle Engineering, National Changhua University of Education, Changhua City, Taiwan)

Abstract

This paper presents the design of an active noise control system using ultrasonic transducers and spatial transformation of sound fields in acoustic holography. In active noise control field, most of the researches used traditional loudspeakers as secondary sources. However ultrasonic transducers are used as secondary sources to control the noise. Recently, only a few of the studies used ultrasonic transducers as secondary sources. In active noise control the microphone array is used to measure the sound pressure within the desired quiet zone. However, there is no need to measure the sound pressure within the desired quiet zone using the microphone array in this study. The spatial transformation of sound pressure was used to estimate the sound pressure within the desired quiet zone. Also the ultrasonic transducers were used to control the noise within the desired quiet zone. The results showed that larger quiet zones were obtained using the ultrasonic transducers and acoustic holography in the active noise control system.

Suggested Citation

  • Wen-Kung Tseng, 2016. "Design of Active Noise Control Systems Using Ultrasonic Transducers and Acoustic Holography Techniques," International Journal of Technology and Engineering Studies, PROF.IR.DR.Mohid Jailani Mohd Nor, vol. 2(1), pages 26-31.
    • Handle: RePEc:apa:ijtess:2016:p:26-31
    DOI: 10.20469/ijtes.2.40005-1
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    Cited by:

    1. Mary Ann B. Taduyo & Augusto K. Fabella, 2017. "Utilizing Regression Algorithms for ATS Route Forecasts," Journal of ICT, Design, Engineering and Technological Science, Juhriyansyah Dalle, vol. 1(1), pages 13-24.

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