SOCHI, Feb. 5 (Xinhua) -- The Olympic Broadcasting Service (OBS) will provide more than 1,300 hours of live coverage from Sochi 2014 for an expected worldwide television audience of 1.5 billion.

The OBS output will be made available to rights-holding broadcasters from more than 200 countries and regions across the globe.

Broadcast partnerships have provided the biggest single source of revenue for the Olympic movement for the past three decades.

The International Olympic Committee's revenue from the sale of broadcast rights for Sochi 2014 is approximately 1.26 billion dollars.

The OBS, which has a workforce about 2500 strong, will use more than 450 cameras to provide its coverage.

All 98 medal events at the Games will be covered live and in high definition.