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Glossary Forensics

Frame rate

Frame rate is how many video frames are shown per second (fps), such as 24, 25, 30 or 60.

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In more detail

Phones often record at a variable rate that shifts with light and load, whereas edited or converted files tend to have a constant rate. A mismatch between the declared and measured rate, or dropped and duplicated frames, can indicate editing.

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Video Forensics

Analyze MP4, MOV, WebM and MKV files in your browser - walk the container structure, read creation timestamps and encoder tags.

See also

  • Glossary Keyframe
    A keyframe, or I-frame, is a video frame stored as a complete picture, while the frames between keyframes store only the changes.
  • Glossary Timestomping
    Timestomping is deliberately changing a file's timestamps to hide when it was created or modified.
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