TVN HD was launched on August 28, 2007 it became available on digital platform n

N (Poland)

n is a Polish DTH platform. It was launched on October 12, 2006 and is owned by ITI Neovision. On June 30, 2011 the company had reached 826,000 subscribers.- Channels :There are currently:* 94 encrypted channels...

 which also belongs to ITI Group

ITI Group

ITI Group , known as Grupa ITI in Polish, is a large media conglomerate headquartered in Warsaw, Poland. ITI Group controls the Polish television network, TVN, among its many holdings.The ITI Group was co-founded by businessmen Jan Wejchert and Mariusz Walter in 1984...

 The channel broadcasts TVN's programmes in 1080i

1080i

1080i is the shorthand name for a high-definition television mode. The i means interlaced video; 1080i differs from 1080p, in which the p stands for progressive scan. The term 1080i assumes a widescreen aspect ratio of 16:9, implying a frame size of 1920×1080 pixels...

 and 16/9. On 1 May 2010 open your timeshift channel TVN HD+1.

TVN HD+1

On May 1, 2010 ITI Group

ITI Group

ITI Group , known as Grupa ITI in Polish, is a large media conglomerate headquartered in Warsaw, Poland. ITI Group controls the Polish television network, TVN, among its many holdings.The ITI Group was co-founded by businessmen Jan Wejchert and Mariusz Walter in 1984...

 launched a timeshift channel

Timeshift channel

A timeshift channel is a television channel carrying a time-delayed rebroadcast of its "parent" channel's output. This channel runs alongside their parent: the term "timeshift" does not refer to a network broadcasting at a later time to reflect a local timezone unless the parent is also available...

 which is called TVN HD+1 and broadcasts TVN's programmes in 1080i

1080i

1080i is the shorthand name for a high-definition television mode. The i means interlaced video; 1080i differs from 1080p, in which the p stands for progressive scan. The term 1080i assumes a widescreen aspect ratio of 16:9, implying a frame size of 1920×1080 pixels...

 and 16:9

16:9

16:9 is an aspect ratio with a width of 16 units and height of 9. Since 2009, it has become the most common aspect ratio for sold televisions and computer monitors and is also the international standard format of HDTV, Full HD, non-HD digital television and analog widescreen television ...

with a one hour delay time.