Is 720p vs 1080i worth being implicated about? Yes and no. If you're a consumer looking for a new Tv, you can happily ignore the 720p vs 1080i moot because every Tv which is described as Hdtv or Hdtv Ready is required to preserve both formats.
Note: You should be aware though that lots of Tvs which preserve 1080i have fewer than 1080 lines and so scale the 1080 signal down. That's not a huge issue as even scaled down 1080i is far ahead of a quarterly Ntsc signal. It is worth bearing in mind that more costly Hdtvs tend to have great scalers than cheaper ones, and this may be an issue.
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However, for broadcasters it's a live issue. Should they broadcast 1080 lines of interlaced video or 720 lines of progressive scan? They could just broadcast two signals, one in each format, but that would use up a huge chunk of bandwidth and be hugely costly for very wee gain.
U2: 360° at the Rose Bowl [Blu-ray] Best
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U2: 360° at the Rose Bowl [Blu-ray] Feature
- Personality DVD
- U2
U2: 360° at the Rose Bowl [Blu-ray] Overview
U2'S RECORD BREAKING ROSE BOWL CONCERTFilmed on 25th October 2009
U2360° At The Rose Bowl was the penultimate gig of last year's U2360° tour in support of their Grammy-nominated album No Line on The Horizon. The Rose Bowl performance was the band's biggest show of 2009 and U2's biggest ever US show, with a live audience in excess of 97,000. The show was also streamed across seven continents via YouTube. The first ever live streaming of a full-length stadium concert, U2360° at the Rose Bowl had over 10 million views on the channel in one week.
Shot entirely in HD, the concert was filmed with 27 cameras and directed by Tom Krueger who had previously worked on U23D, the first live action 3D concert movie taken from U2's Vertigo Tour. Available in standard and two disc deluxe DVD formats, U2360° At The Rose Bowl will also be U2's first concert available in Blu-ray. The deluxe formats and the Blu-ray will feature a new documentary called Squaring the Circle: Creating U2360°, with new interviews from U2, Paul McGuinness and the team behind the touring production.
CONCERT:
Get On Your Boots
Magnificent
Mysterious Ways
Beautiful Day
I Still Haven't Found What I'm Looking For
Stuck In A Moment You Can't Get Out Of
No Line On The Horizon
Elevation
In A Little While
Unknown Caller
Until the End of the World
The Unforgettable Fire
City of Blinding Lights
Vertigo
I'll Go Crazy If I Don't Go Crazy Tonight
Sunday Bloody Sunday
MLK
Walk On
One
Where The Streets Have No Name
Ultra Violet (Light My Way)
With Or Without You
Moment Of Surrender
Aspect 16:9
1080i
Sound (Concert): PCM Stereo, DTS-HD Master Audio 5.1, Dolby Digital 5.1
Sound (Bonus Material): Dolby Digital Stereo
Duration: 4 hours 11 Minutes (approx)
Language: English
Subtitles: English, French, Spanish, German, Portuguese (Not including any subtitling of songs)
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*** Product Information and Prices Stored: Jan 22, 2012 15:16:55
To sass the question, it's foremost to understand the disagreement in the middle of 720p vs 1080i. A 720p signal is made up of 720 horizontal lines. Each frame is displayed in its entirety on-screen for 1/30th of a second. This is know as progressive scan (hence the 'p')The quality is like watching 30 photographic images a second on Tv. A 1080i signal comprises 1080 horizontal lines but all the lines are not displayed on-screen simultaneously. Instead, they are interlaced (hence the 'i'), ie every other lines is displayed for 1/60th of a second and then the alternate lines are displayed for 1/60th of a second. So, the frame rate is still 30 frames per second, but each frame is split into two fields, which your brain then puts together subconsciously.
Most of the time interlacing works fine, but for fast tantalizing images, such as sports like baseball and hockey it can cause problems which manifest themselves as a 'stepping' corollary on-screen. Progressive scan signals don't have this qoute and so are great remarkable to sports.
Espn puts it like this: 'Progressive scan technology produces great images for the fast tantalizing orientation of sports television. Plainly put, with 104 mph fastballs in baseball and 120 mph shots on goal in hockey, the line-by-line basis of progressive scan technology great captures the potential fast action of sports. For Espn, progressive scan technology makes excellent sense.'
Bottom line? For us, as consumers 720p vs 1080i is not a moot worth worrying about, so you can relax and focus on all the other criteria on your list when you buy your next Hdtv.
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