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Takafumi FUJITA
1985 Volume 51 Issue 461 Pages
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Tadashi KOSAWADA, Katsuyoshi SUZUKl, Shin TAKAHASHI
1985 Volume 51 Issue 461 Pages
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Takafumi FUJITA, Satoshi FUJITA, Toshikazu YOSHIZAWA, Shigenobu SUZUKI
1985 Volume 51 Issue 461 Pages
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Motohiro SHIGA
1985 Volume 51 Issue 461 Pages
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Hiroshi MATSUHISA, Susumu SATO
1985 Volume 51 Issue 461 Pages
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Tadashi KOTERA
1985 Volume 51 Issue 461 Pages
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Hiroshi IIJIMA, Shuji GOTO
1985 Volume 51 Issue 461 Pages
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Atsuo SUEOKA, Hideyuki TAMURA, Yoshihiro TSUDA, Makoto SAMEJIMA
1985 Volume 51 Issue 461 Pages
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LiangGUAN Bo, Takeshi FURUHASHI, Nobuyoshi MORITA
1985 Volume 51 Issue 461 Pages
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Isao TODO
1985 Volume 51 Issue 461 Pages
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Hiromu HASHIMOTO, Sanae WADA, Norimi KIYOKAWA
1985 Volume 51 Issue 461 Pages
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Fumiaki GOTO
1985 Volume 51 Issue 461 Pages
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Makoto MIZUKAWA, Kyosuke ONO
1985 Volume 51 Issue 461 Pages
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Makoto MIZUKAWA, Hiroshi HOSAKA, Shigeji HARA
1985 Volume 51 Issue 461 Pages
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Yutaro WAKURi, Shinsuke ONO, Mitsuhiro SOEJIMA
1985 Volume 51 Issue 461 Pages
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Akira ISHIBASHI, Shigeru HOYASHITA, Keizi SONODA
1985 Volume 51 Issue 461 Pages
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Michihiko TANAKA, Hiroyuki KOHIDA
1985 Volume 51 Issue 461 Pages
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Takehide SAYAMA, Satoshi ODA, Kiyohiko UMEZAWA
1985 Volume 51 Issue 461 Pages
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Kiyohiko UMEZAWA, Taichi SATO
1985 Volume 51 Issue 461 Pages
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Akira KATSUKI, Hironori MATSUOKA
1985 Volume 51 Issue 461 Pages
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Tomio KOYAMA, Masanori KAGOTANI, Hiroyuki UEDA, Takeshi HOSHIR0
1985 Volume 51 Issue 461 Pages
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Norio TAKAKURA, Katsuhiko YAMAGUCHI, Seiji OBATA, Ken-ichiro MORI, Mas ...
1985 Volume 51 Issue 461 Pages
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Hiroshi HONDA
1985 Volume 51 Issue 461 Pages
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Hiroshi HONDA
1985 Volume 51 Issue 461 Pages
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Shigeru KOHMURA
1985 Volume 51 Issue 461 Pages
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Susumu FURUKAWA, Jyoji ISHIZUKA, Syozo KOBATAKE
1985 Volume 51 Issue 461 Pages
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Kazuo TAKAIWA
1985 Volume 51 Issue 461 Pages
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Kohshi NISHIDA, Akira MARUYAMA
1985 Volume 51 Issue 461 Pages
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This paper describes the sound visualization method, some results visualized actually and the comparison of the graphic expression method of the sound pressure level distribution by X-Y plotter with the photographical one. This sound visualization method is based on an idea that the beams from three colored light emitting diodes are recorded photographically on a film, which go on and off in sequence every time the sound pressure level changes by 5 dB. The actual measurement of the distribution of sound pressure level can be performed with the sound visualizing device built as a trial according to the idea. The summary of the result is ; The directivity of a sound source and the properties of the sound field, such as the distribution of sound pressure level or sound diffraction can be grasped quantitatively and clearly by the sound visualization method. Furthermore, the photographic result of the sound pressure level distribution can be obtained in more detail and a shorter time as compared with the graphic one.
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