# Steganography

Convert video to music file

```
ffmpeg -i file.mp4 sound.mp3
```

Extract DTMF (Dual tone multi frequency) from sound file

```
Import sound file to http://dialabc.com/sound/detect/
Needs to be WAV, RIFF, PCM, or Sun/NeXt
```

Resources

Sherlock: [https://github.com/sherlock-project/sherlock](https://github.com/sherlock-project/sherlock)



