What is UHDTV?

• It is Ultra High Definition TV that will have much higher resolution than conventional standard definition and high definition TV.

What is resolution of an Image?

• It is a broad term which describes the detail the image holds. The resolution of a picture is defined by number of dot-like pixels squeezed into a given area.
• Resolution of Standard Definition TV : 704 or 720 x 480.
• Resolution of High-definition TV or HDTV : 1280 x 720 pixels and 1920 x 1080 pixels.
• International Telecommunication Union (ITU) finalized standards to introduce UHDTV which will have stupendous clarity.

As per ITU, the introduction of UHDTV will be 2 phase process:

• First Phase: UHDTV picture sizes will be of the order of 8 mega pixels (3840 x 2160 pixels). These will be ‘4K’ UHDTV systems.
• Second Phase: Pictures will be 32 mega pixels in size (7680 x 4320 pixels). These will be ‘8K’ UHDTV systems.

Japanese broadcaster NHK was the ‘founding father’ of UHDTV