Chapter 1
Anatomy of a deepfake
Chapter 2
Audio and speech deception
Chapter 3
The digital detective toolkit
YOUR GOAL
Master of How to spot deepfakes
Ch 2 · Audio and speech deception
renaissanceman Spotting AI Deepfakes
Is the light strange? Do the eyes stray? That's a deepfake, clear as day!

renaissanceman Mismatches between the shape of a speaker's mouth and the sounds they produce reveal manipulated audio.

renaissanceman AI voices often stand out because they do not take natural breaths or they maintain an eerie, mechanical rhythm.
Fun Fact
Vocal deepfake speed: In 2023, researchers cloned a voice in just three seconds, a process that used to require hours of studio recordings.
Glossary
voice cloning (noun)
The process of digitally replicating a specific individual's unique vocal characteristics using artificial intelligence. In January 2024, robocalls used this technique to mimic Joe Biden's voice during New Hampshire's primary.
The process of digitally replicating a specific individual's unique vocal characteristics using artificial intelligence. In January 2024, robocalls used this technique to mimic Joe Biden's voice during New Hampshire's primary.
Quiz
Which sounds require the lips to close fully, often exposing poor AI lip-syncing?
Quiz
Which vocal characteristic refers to the unique quality or 'color' of a specific voice?
Quiz
What natural human speech habit is frequently missing from basic AI-generated audio?
Quiz
Approximately how much audio is now needed for modern AI to clone a human voice?
