The sitcom is by definition pure TV.

Consumer analogue video systems have greater system noise and lower chrominance and luminace than is normal for standard definition TV.

This is where ultra-high definition TV comes in.

Ultra-high definition TV is still largely in the prototype stages.

According to manufacturers, people will watch ultra-high definition TV and feel like they're in the middle of a scene.

Is there a limit to how high definition TVs can get?

In time it is our aspiration to provide equivalent interactivity to that on standard definition TV.

Older, standard definition TVs were 4:3.

Many new high definition TVs support the use of component video up to their native resolution.

An increasing number of services and growing popularity of high definition TV are creating greater needs for higher coding efficiency.