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High Capacity Lossless Semi-fragile Audio Watermarking in the Time Domain

  • Sunita V. Dhavale
  • R. S. Deodhar
  • L. M. Patnaik
Part of the Advances in Intelligent Systems and Computing book series (volume 167)

Abstract

A blind high capacity lossless semi-fragile audio watermarking algorithm based on the statistical quantity related to the correlation among the audio sample values is proposed. Time domain embedding is used to reduce the computational time in searching the synchronization codes. The watermark is embedded into the non-silent high energy frames (HEF) to take advantage of the perceptual properties of the Human Auditory System (HAS) and to improve the transparency of the digital watermark. The Offset value used for embedding is made adaptive to the required SNR for the final watermarked audio signal. The watermark can be removed using a secret watermarking key with only minimal remaining distortion. The method proposed is media format independent and it can be used with lossy compression. Both subjective and objective tests reveal that the proposed watermarking scheme maintains high audio quality and is simultaneously highly robust to pirate attacks, including MP3 compression, cropping, time shifting, filtering, re-sampling, and re-quantization., and re-quantization.

Keywords

Audio watermarking digital rights management Lossless Reversible Self Synchronization Time Domain Semi-fragile Blind 

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Sunita V. Dhavale
    • 1
  • R. S. Deodhar
    • 1
  • L. M. Patnaik
    • 1
  1. 1.Defence Institute of Advanced TechnologyPuneIndia

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