Forked from reachsumit/Audio Steganography - receiver.py
Created
June 24, 2018 21:54
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This code contains a demo for Audio Steganography. It is to be used by the receiver end, to extract the secret text embedded in the audio file.
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# Use wave package (native to Python) for reading the received audio file | |
import wave | |
song = wave.open("song_embedded.wav", mode='rb') | |
# Convert audio to byte array | |
frame_bytes = bytearray(list(song.readframes(song.getnframes()))) | |
# Extract the LSB of each byte | |
extracted = [frame_bytes[i] & 1 for i in range(len(frame_bytes))] | |
# Convert byte array back to string | |
string = "".join(chr(int("".join(map(str,extracted[i:i+8])),2)) for i in range(0,len(extracted),8)) | |
# Cut off at the filler characters | |
decoded = string.split("###")[0] | |
# Print the extracted text | |
print("Sucessfully decoded: "+decoded) | |
song.close() |
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