How does rich audio compress to stream across the internet with little quality loss? Audio Analytic's Dr Chris Mitchell explains. Audio Analytic is a sound recognition software company based in Cambridge UK & Palo Alto USA. Upside Down (Huffman) Trees: https://youtu.be/umTbivyJoiI Digital Audio: https://youtu.be/1RIA9U5oXro 'Streaming' music courtesy HS6: https://www.facebook.com/hudsonsuper6/ .mod files: https://modarchive.org/ .mid files: Wikimedia Commons http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com