Ty Roberts, CTO of Gracenote, discusses how his company maintains a huge database of metadata about CDs, DVDs, and other electronic media that can then be accessed by anyone who wants more info about those titles and/or discover new music and movies they might like; the future of IPTV; Gracenote algorithms that analyze musical structure based on the audio itself; and answers to chat-room questions.

Run Time: 57:04

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