From The Washington Post
By Drew Harwell
Distorted videos of House Speaker Nancy Pelosi (D-Calif.), altered to make her sound as if she’s drunkenly slurring her words, are spreading rapidly across social media, highlighting how political disinformation that clouds public understanding can now grow at the speed of the Web...
“There is no question that the video has been slowed to alter Pelosi’s voice,” said Hany Farid, a computer-science professor and digital-forensics expert at University of California, Berkeley.
“It is striking that such a simple manipulation can be so effective and believable to some,” he added. “While I think that deepfake technology poses a real threat," he said, in reference to more sophisticated computer-altered videos, "this type of low-tech fake shows that there is a larger threat of misinformation campaigns — too many of us are willing to believe the worst in people that we disagree with...”
Professor Hany Farid has a joint appointment at UC Berkeley in the School of Information and EECS.