i extract the audio using ffmpeg
```
ffmpeg -i Spectre.mp4 -codec:a libmp3lame -qscale:a 2 sample.mp3
```
and i open it using sonic visualizer


and i add spectogram layer


and change a few things a little bit, and this is what i got


> Flag: darkCTF{1_l0v3_5p3ctr3_fr0m_4l4n}

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