/Audio-Steganogrophy-Decoder

Primary LanguagePythonCreative Commons Attribution 4.0 InternationalCC-BY-4.0

Audio-Steganogrophy-Encoder/Decoder

How to run

prerequisites:

  1. python >=3.8.5
  2. sudo apt-get install python3-venv 

$ git clone [url]
$ cd Audio-Steganogrophy-Decoder
$ make
$ make run

Check for output in audios folder.

Files

ASD.py

  • Contains the main Audio Steganography Encoder / Decoder class.

Methods:

  1. Constructor - initializes the ASD object.
  2. encoder - encodes the secret audio into the carrier audio.
  3. encode_writer - writes out the encoded wav files
  4. decoder - decodes the encoded stego audio
  5. decoder_writer - writes out the decoded wav file
  6. visualizer - plots graphs of interest.

modem.py

  1. modulate - newer reference frequency modulator
  2. modulate_old - old erroneous frequency modulator
  3. demodulate - newer reference frequency demodulator
  4. demodulate_old - old erroneous frequency demodulator
  5. am_modulator - amplitude modulator (used in project)
  6. am_demodulator - amplitude demodulator (used in project)
  7. hpf - high pass filter (used in project)
  8. lpf - low pass (used in project)

Images Folder

Images are well labelled and are self-explanatory. Exported from the program output.

Audios Folder

Source audios and program output audios prefixed by "asd-x" in the order of generation.