In an echo data hiding technique, the secret message is embedded into a __________as an echo.

In an echo data hiding technique, the secret message is embedded into a __________as an echo.

In an echo data hiding technique, the secret message is embedded into a __________as an echo.

A.
Cover audio signal

B.
Phase spectrum of a digital signal

C.
Pseudo-random signal

D.
Pseudo- spectrum signal



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rca ieftin

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Rayford Dowers

Rayford Dowers

Really informative article. Much obliged.

Henry Mednis

Henry Mednis

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