Effect of Light Intensity Environment on Sound Wave Extraction via Visual Microphone

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  • ビジュアルマイクロホンにおける光量環境が音波抽出に与える影響

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This paper describes the effect of light intensity environment on sound wave extraction via visual microphones in real environments. We focus on the exposure time and ISO speed, which affect the brightness of images, and investigate the effect of changing these values on sound wave extraction to enable sound wave extraction in general illumination environment without floodlights. As a result, we confirmed that longer exposure time and higher ISO speed resulted in image distortion caused by vibration.

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