DPIV Measurement on sound vibration in Japanese bamboo flute
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چکیده
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Twelfth International Congress on Sound and Vibration MEASUREMENT OF SOUND QUALITY FOR CRITICAL LISTENING
For the critical assessment of music recordings the uniformity of the pressure amplitude response with respect to frequency has robustly been defended as one of the principals of prime importance for any electro-acoustic monitoring system. This has been particularly so in the appraisal of the room responses, where non-linear factors such as intermodulation distortions do not apply. However, des...
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The evolution of active systems applied to the reduction of aircraft cabin noise is studied. The main objective is to establish whether there are any significant lessons relative to the general use and commercialization of active noise and vibration systems.
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Takahiro Ohnishi*, Michiko Kazama **J and ikfikio Tohyama * AIM %% RIM %+ xl-h =Wx *Kogakuin University ** Acoustic Consultant 1. ABSTRACT This article describes signal enhancement by estimating the fundamental frequency and harmonics of a nonstationary signal using Multi-Windowed Short-time Fourier Transform and Harmonics Sieving(MWSTFT-HS). The MWSTFT-HS which we propose here is based on the ...
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For a fast moving CROSS-AMBIGUITY FUNCTION Kam W. Lo and Brian G. Ferguson Defence Science and Technology Organisation P.O. Box 44 Pyrmont NSW Australia acoustic source in proximity to a pair of widely spaced sensors, the conventional cross correlation method results in poor time delay estimates because the signal received by each sensor experiences a different degree of time scaling. The corre...
متن کاملFifth International Congress on Sound and Vibration
very often additional noise of arbitrary distribution type can be observed. Therefore, for the purpose of predicting the output response probability of acoustic system with an arbitrary stochastic input in the presence of the additional noise, it is necessary to find some new stochastic signal processing method reflecting the effect of the above additional noise fluctuation. In this paper, firs...
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ژورنال
عنوان ژورنال: Journal of the Visualization Society of Japan
سال: 2006
ISSN: 1884-037X,0916-4731
DOI: 10.3154/jvs.26.supplement1_117