Abstract
This paper presents a new speech watermarking technique using harmonic modelling of the speech signal and coding of the harmonic phase. We use a representation of the instantaneous harmonic phase which allows straightforward manipulation of its values to embed the digital watermark. The technique converts each harmonic into a communication channel, whose performance is analysed in terms of distortion and BER. The developed tests show that with a simple coding scheme a bit rate of 300bps can be achieved with minimal perceptual distortion and almost zero BER.
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Hernaez, I., Saratxaga, I., Ye, J., Sanchez, J., Erro, D., Navas, E. (2014). Speech Watermarking Based on Coding of the Harmonic Phase. In: Navarro Mesa, J.L., et al. Advances in Speech and Language Technologies for Iberian Languages. Lecture Notes in Computer Science(), vol 8854. Springer, Cham. https://doi.org/10.1007/978-3-319-13623-3_27
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DOI: https://doi.org/10.1007/978-3-319-13623-3_27
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-13622-6
Online ISBN: 978-3-319-13623-3
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