As most of the real time applications make use of digital data, security of the data resources become more important and essential. Different aspects to be considered while dealing with such digital data are preserving authenticity and make sure that the data is not modified in transit and no one else other than intended user can read this data. To fulfil these requirements, many techniques are available to protect this data. Cryptography is to jumble the original information so that it cannot be viewed by any unauthorized users and steganography is used to hide the original information. Depending on the cover medium used, steganography has many types such as image, audio, and video. Audio steganography deals with the noise, echo, samples etc present in the audio. LSB, Echo hiding, Phase coding, Tone insertion are some of the types of audio steganography techniques. These techniques have their respective pros and cons. The main intention of the presented technique is to re-conciliate cryptography with steganography and deploys a better protection.
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