Question

What steganography methods are used in audio files?

a) Frequencies inaudible to human ear
b) White space
c) LSB
d) Substitution

Answer 1

Steganography methods in audio files include frequencies inaudible to humans, LSB method, and substitution.

Step-by-step explanation:

Steganography methods used in audio files include:

1. Frequencies inaudible to human ear: These are high-frequency sounds that are beyond the range of human hearing. Examples of this include ultrasound waves used in noninvasive medical diagnoses.
2. LSB (Least Significant Bit) method: This involves hiding information within the least significant bits of an audio file, which is difficult to detect without specialized tools.
3. Substitution: This method involves replacing certain audio segments with hidden information. It can be achieved by modifying the amplitude or frequency of the audio signal.