Art

J-GLOBAL ID：200902237312020787   Reference number：03A0820802

In situ measurements of absorption characteristics using two microphones and environmental “anonymous” noise

二つのマイクロホンと環境特定ノイズを用いる吸収特性のその場測定

Author (3)： TAKAHASHI Y (Oita Univ., Oita, JPN) ,  OTSURU T (Oita Univ., Oita, JPN) ,  TOMIKU R (Oita Univ., Oita, JPN)
Material： Acoustical Science and Technology  (Acoust Sci Technol)
Volume： 24  Issue： 6  Page： 382-385  Publication year： Nov. 2003 
JST Material Number： Z0931A  ISSN： 1346-3969  Document type： Article
Article type： 短報  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： microphone ,...

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JST classification (1)： Acoustical measurements and instrumentation  (BB03040R)

Reference (11)：

• 1) Y. Champoux, J. Nicolas and J. F. Allard, “Measurement of acoustic impedance in a free field at low frequencies,” J. Sound Vib., 125, 313–323 (1988).
• 2) J. F. Allard, Y. Champoux and J. Nicolas, “Pressure variation above a layer of absorbing material and impedance measurement at oblique incidence and low frequencies,” J. Acoust. Soc. Am., 86, 766–770 (1989).
• 3) J. F. Allard and Y. Champoux, “In situ two-microphone technique for the measurement of the acoustic surface impedance of materials,” Noise Control Eng. J., 32, 15–23 (1989).
• 4) J. F. Allard, C. Depollier and P. Guignouard, “Free field surface impedance measurements of sound-absorbing materials with surface coatings,” Appl. Acoust., 26, 199–207 (1989).
• 5) M. Garai, “Measurement of the sound-absorption coefficient in situ: The reflection method using periodic pseudo-random sequences of maximum length,” Appl. Acoust., 39, 119–139 (1993).

Terms in the title (4)： マイクロホン ,  環境 ,  ノイズ ,  その場測定