STEGANOGRAPHY USING AUDIO
Nayan Rajput
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Abstract
This research paper illustrates the concept of implementing steganography in a way that the text is converted into an audio file and on extraction we get it back in the text format. Steganography is a technique of data hiding and we are accomplishing this by converting the text file into an audio file and after extraction the text file will be extracted from the audio and the data can be read. This is a great technique to hide data, no one can recognize that even an audio can have a data in text format and data will be transferred safely. This will be helpful for RAW, IB, CBI and many other associations that want to secure their confidential data. It will be greatest technique in future after enhancement at certain level.
Key takeaways
- Data hiding in audio signals is especially challenging, because the Human Auditory System (HAS) operates over a wide dynamic range.
- However there are some 'holes' available.
- By replacing the least significant bit of each sampling point by a coded binary string, we can encode a large amount of data in an audio signal.Ideally, the channel capacity is 1 kb per second (kbps) per 1 kilohertz(kHz), e.g., in a noiseless channel, the bit rate will be 8 kbps in an 8 kHz sampled sequence and 44 kbps in a 44kHz sampled sequence.
- In this module, the first step is the process of selecting the encrypted audio file.
- The proposed system uses Audio file as a carrier medium which add another step in security.
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