[Libav-user] Can I encode and decode bytes in audio by FFmpeg?

[Mani Wang]

Hi, guys 

Thanks for your time to read my email first. I’m new about audio, but I have to make this done: 

1. Add a few bytes of data to a sound file and generate a new sound file. 
2. If I convert that file to any sound format, these bytes data should still there. 
3. When I play that file anywhere, I pick up the sound with mobile phone microphone and got these bytes back. 

The most important is “Encoding” and “Decoding”, can FFmpeg encode and decode? Like this paper said: HIDING TEXT IN AUDIO USING MULTIPLE LSB 
STEGANOGRAPHY AND PROVIDE SECURITY 
USING CRYPTOGRAPHY

Thank you in advance for any help you might be able to provide. 

Best Regards, 
Mani Wang
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