Abstract
Homomorphic signal-processing techniques are used to place information imperceivably into audio data streams by the introduction of synthetic resonances in the form of closely-spaced echoes. These echoes can be used to place digital identification tags directly into an audio signal with minimal objectionable degradation of the original signal.
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References and Notes
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Conversations with Scientific Atlanta regarding SEDAT Evaluation Test Fixture.
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© 1996 Springer-Verlag Berlin Heidelberg
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Gruhl, D., Lu, A., Bender, W. (1996). Echo hiding. In: Anderson, R. (eds) Information Hiding. IH 1996. Lecture Notes in Computer Science, vol 1174. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-61996-8_48
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DOI: https://doi.org/10.1007/3-540-61996-8_48
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