B_047.mp4 -

: If the audio sounds like noise, run it through a spectrogram (like Audacity ). Hidden images or messages are often encoded into the audio frequencies of these types of files.

: Take a clear screenshot of a unique moment in the video and upload it to Google Images or TinEye to see if it appeared on forums or imageboards previously. 3. Cataloging the Content b_047.mp4

If you are creating a guide for others about this video, structure your documentation as follows: : If the audio sounds like noise, run