Abstract
We investigate the possibility of embedding watermarks robust against compression in musical audio files. The process of embedding and retrieving a watermark can be regarded as a binary communication channel. We investigate its statistic to give recommendation how to choose the embedding parameters and what error correcting codes to be used. The investigation covers the case of AAC and MP3 compression. The described method of embedding is based on a combination of key-dependable dither modulation and Haar wavelet transform. We analyze the whole process for its embedding capacitate and robustness. A practical method for choosing the embedding parameters is proposed.
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Acknowledgements
This work was partially supported by the National Science Fund of Bulgaria under Grant DFNI-I02/8.
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Kostadinov, H., Manev, N.L. (2019). On Digital Watermarking for Audio Signals. In: Georgiev, K., Todorov, M., Georgiev, I. (eds) Advanced Computing in Industrial Mathematics. BGSIAM 2017. Studies in Computational Intelligence, vol 793. Springer, Cham. https://doi.org/10.1007/978-3-319-97277-0_19
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DOI: https://doi.org/10.1007/978-3-319-97277-0_19
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