A method for speech watermarking in speaker verification
The present invention relates to a method for speech watermarking in speaker verification, comprising the steps of: embedding watermark data into speech signal at a transmitter; and extracting watermark data from the speech signal at a receiver; characterised by the steps of: selecting frames having...
| Main Authors: | , , , , |
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| Format: | Patent |
| Published: |
2013
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| Online Access: | http://psasir.upm.edu.my/id/eprint/33679/ |
| Summary: | The present invention relates to a method for speech watermarking in speaker verification, comprising the steps of: embedding watermark data into speech signal at a transmitter; and extracting watermark data from the speech signal at a receiver; characterised by the steps of: selecting frames having least speaker-specific information from the speech signal to carry watermark data; detecting voice activity to detect presence or absence of speaker’s voice in the speech signal; and embedding watermark data into the selected frames of the speech signal according to the presence or absence of the speaker’s voice. |
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