EC-Council
312-49V8 · Question #74
In an echo data hiding technique, the secret message is embedded into a __________as an echo.
The correct answer is A. Cover audio signal. See the full explanation below for the reasoning.
Question
In an echo data hiding technique, the secret message is embedded into a __________as an echo.
Options
- ACover audio signal
- BPhase spectrum of a digital signal
- CPseudo-random signal
- DPseudo- spectrum signal
How the community answered
(23 responses)- A70% (16)
- B17% (4)
- C9% (2)
- D4% (1)
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