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Robust High-Capacity Audio Watermarking Based on FFT Amplitude Modification

Mehdi FALLAHPOUR, David MEGIAS

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Summary :

This paper proposes a novel robust audio watermarking algorithm to embed data and extract it in a bit-exact manner based on changing the magnitudes of the FFT spectrum. The key point is selecting a frequency band for embedding based on the comparison between the original and the MP3 compressed/decompressed signal and on a suitable scaling factor. The experimental results show that the method has a very high capacity (about 5 kbps), without significant perceptual distortion (ODG about -0.25) and provides robustness against common audio signal processing such as added noise, filtering and MPEG compression (MP3). Furthermore, the proposed method has a larger capacity (number of embedded bits to number of host bits rate) than recent image data hiding methods.

Publication
IEICE TRANSACTIONS on Information Vol.E93-D No.1 pp.87-93
Publication Date
2010/01/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E93.D.87
Type of Manuscript
PAPER
Category
Application Information Security

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