[WM]: Watermarking questions

["Ronen Cohen, CEM, R&D " <Ronen.Cohen@nice.com>]

Hi folks,

I'm interesting in speech watermarking algorithm (for PC or DSP) for authentication purposes and I have the following questions:

1.	Is there any standard for speech watermarking? 
2.	What are the main techniques usually used for speech
watermarking? 
3.	Is there any watermark technique can work with and survive
speech compression methods (like G729/G723)? 
4.	Where I can find further technical information about speech
watermarking - books, articles, standards? 

 

Any answer will be appreciated.

 

Thanks,

 

Ronen 

 


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