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Source code for fingerprint recognition, face recognition and much more


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We have developed a fast and reliable algorithm for audio steganography. Proposed method is capable to embed a secret message into a sound file. Cover sound is modified and hidden message is made imperceptible. Our steganography algorithm results extremely robust to:

  • Random white noise
  • MPEG compression
  • Random cropping
  • Resampling
  • Many other common sound processing algorithms
Our code can be simply used as an imperceptible audio-QR for broadcast communications to add extra-contents into an audio signal. For example audio signal can be used to carry additional information and a mobile phone can reveal such contents simply by launching a client-side application to reveal the secret message. Moreover the introduction of a random key assures that no one will be able to understand the message without the knowledge of the specified numeric key.

Index Terms: Matlab, source, code, speech, audio, encryption, system, steganography, hidden, message.

 

 

 

 

 

Figure 1. Sound encryption and decryption



A simple and effective source code for Audio-QR Sound Encryption System.



Demo code (protected P-files) available for performance evaluation. Matlab Signal Processing Toolbox is required.

Release
Date
Major features
1.0

2014.01.07



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This donation has to be considered an encouragement to improve the code itself.

Audio-QR Sound Encryption System - Click here for your donation. In order to obtain the source code you have to pay a little sum of money: 3600 EUROS (less than 5040 U.S. Dollars).

Once you have done this, please email us luigi.rosa@tiscali.it
As soon as possible (in a few days) you will receive our new release of Audio-QR Sound Encryption System.

Alternatively, you can bestow using our banking coordinates:
Name :
Luigi Rosa
Address :
Via Pozzo Strada 5 10139 Torino Italy
Bank name:
Poste Italiane
Bank address:
Viale Europa 190 00144 Roma Italy
IBAN (International Bank Account Number) :
IT-50-V-07601-03600-000058177916
BIC (Bank Identifier Code) :
BPPIITRRXXX

The authors have no relationship or partnership with The Mathworks. All the code provided is written in Matlab language (M-files and/or M-functions), with no dll or other protected parts of code (P-files or executables). The code was developed with Matlab 2006a. Matlab Signal Processing Toolbox is required. The code provided has to be considered "as is" and it is without any kind of warranty. The authors deny any kind of warranty concerning the code as well as any kind of responsibility for problems and damages which may be caused by the use of the code itself including all parts of the source code.

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