NBC Universal has sold more than $US900 million in advertising time for the Olympic Games in Beijing.
The company said on Monday it has now booked almost 90% of its inventory. It aims to sell $US1 billion in Olympic commercial time overall.
NBC Universal plans to broadcast a record 3,600 hours of coverage between 8-24 August on its broadcast, cable TV and online outlets.
In addition to prime-time broadcasts on the NBC network, coverage of the Games will air on Spanish-language network Telemundo, cable channels USA, MSNBC, CNBC and Oxygen, and various websites.
Live audio-video streaming of the Games over the Internet will account for about 2,200 hours of NBC Universal's overall coverage.
NBC paid $US894 million for exclusive US rights to the Beijing Games. The network is owned by General Electric Co.