Spectral Magnitude Adjustment for MCLT-Based Acoustic Data Transmission

Abstract

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. key words: acoustic data transmission, acoustic communication, data hiding, modulated complex lapped transform

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Cite this paper

@article{Yun2012SpectralMA, title={Spectral Magnitude Adjustment for MCLT-Based Acoustic Data Transmission}, author={Hwan Sik Yun and Kiho Cho and Nam Soo Kim}, journal={IEICE Transactions}, year={2012}, volume={95-D}, pages={1523-1526} }