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AssigneeThomson Licensing
InventorsPeter Georg Baum, Xiaoming Chen, Michael Arnold, Ulrich Gries
Estimating the term…
Audio watermarking is the process of embedding watermark information items into an audio signal in an in-audible manner. In a first embodiment, in case the original audio signal has parts of low signal energy, an alternative signal having a level or strength given by the psycho-acoustic model is combined with the original audio signal. The combined signal is watermarked with watermark data to be embedded. In a second embodiment, in case the original audio signal has parts of low signal energy, an alternative signal having a level or strength given by the psycho-acoustic model is watermarked with watermark data to be embedded, and the audio signal is watermarked with the watermark data to be embedded. The watermarked alternative signal is combined with the watermarked audio signal.
A method for watermarking successive sections of an audio signal, comprising:
An apparatus for watermarking successive sections of an audio signal, said apparatus comprising:
Dependencies are inferred from the claim text.