Spectral Magnitude Adjustment for MCLT-Based Acoustic Data Transmission
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概要
- 論文の詳細を見る
Acoustic data transmission is a technique which embeds data in a sound wave imperceptibly and detects it at a receiver. The data are embedded in an original audio signal and transmitted through the air by playing back the data-embedded audio using a loudspeaker. At the receiver, the data are extracted from the received audio signal captured by a microphone. In our previous work, we proposed an acoustic data transmission system designed based on phase modification of the modulated complex lapped transform (MCLT) coefficients. In this paper, we propose the spectral magnitude adjustment (SMA) technique which not only enhances the quality of the data-embedded audio signal but also improves the transmission performance of the system.
著者
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Yun Hwan
School Of Electrical Engineering And Inmc Seoul National University
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Kim Nam
School Of Electrical And Computer Engineering Chungbuk National Univ.
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KIM Nam
School of Electrical Engineering and the Institute of New Media and Communications, Seoul National University
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CHO Kiho
School of Electrical Engineering and the Institute of New Media and Communications, Seoul National University
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KIM Nam
School of Architecture and Architectural Engineering, Korea University of Technology and Education
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