Babbage: How to detect a deepfake

Digital fakery, from the latest generation of deepfakes to lower-tech trickery, threatens to erode trust in societies and can prevent justice from being served. But how can technology be used to both detect deepfakes and authenticate real images?Patrick Traynor, a professor at the University of Florida, explains a novel method to expose audio generated by artificial intelligence. Ilke Demir of Intel Labs demonstrates how to spot visual fakery by analysing colour changes in the face. Plus, The Economist’s Benjamin Sutherland investigates the flipside of deepfakes: how to prove that footage is real. And Wendy Betts of eyeWitness to Atrocities explains how her technology is being used as evidence for war crimes. Alok Jha hosts.For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer and sign up for our weekly science newsletter at economist.com/simplyscience. Hosted on Acast. See acast.com/privacy for more information.

Om Podcasten

Babbage is our weekly podcast on science and technology, named after Charles Babbage—a 19th-century polymath and grandfather of computing. Host Alok Jha talks to our correspondents about the innovations, discoveries and gadgetry shaping the world. Published every Wednesday.If you’re already a subscriber to The Economist, you’ll have full access to all our shows as part of your subscription.For more information about Economist Podcasts+, including how to get access, please visit our FAQs page here https://myaccount.economist.com/s/article/What-is-Economist-Podcasts