"Super Hi-Vision" TV sau Ultra HD TV

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autor subiect #1
Cint
好人礼服黑色
15174 mesaje
din 05/10/2005
61 aprecieri
02 iunie 2008, 19:40:47
Desi numai 1,6% dintre romani au tv lcd sau plasma dupa unele sondaje ,iata ca japonezii cresc iar standardul calitatii ,si nu cu putin... ci sarind direct la 33 megapixeli.


Many do not realize that their friendly broadcast over the waves is about to change. As America pushes the Hi-Def deadline back, the Japanese are pushing forward with plans to drop their "Hi-Vision" standard pioneered by NHK, who is a Japanese broadcaster . The Hi-Vision technology was also used on the JAXA moon mission. The communications ministry is pouring 300 million yen into the NHK project to develop and launch a higher quality 33.2 million pixel broadcast standard by 2015. Due to the ailing USD, that is 2.735 million dollars.

The broadcast standard will be able to travel along 260 kilometers of fiber optic cable and carry 16 different wavelength signals. The total bandwidth they have achieved in tests is 24 gigabit. Back in 2003 and 2005 NHK demonstrated the “Super-Hi-Vision " technology. Back then, there were 16 HDTV recorders hacked together recording 18 minutes of footage. They took the resultant 3840 à— 2048 image and "upscaled" it through pixel shifting to 7680 à— 4320 pixels or 4000 scan lines. Three years later, the project is still advancing and has overcome many of the hurdles they once had.

NHK has also developed a codec to compress the 24Gbps video signal down to 180-600Mbps. The audio is dropped from 28 Mbps to 7-28Mbps. Go ahead and read that again, video data rate of 24Gbps and a 24 channel audio data rate of 28Mbps. 18 minutes of video will take up about 3.5 TB of data in a raw format. The image would be more palpable and vibrant than anything we can imagine.

Just last year experts thought the transmission of such massive bandwidth signals were 15-20 years away, but Japanese broadcaster NHK recently was able to transmit 7680 x 4320 pixel, 33 megapixel frames via H.264 compression and 16 Kyrion encoders. Put it this way, this video if uncompressed, would require 200GB of bandwidth for just one minute of video. A whopping 10TB per hour!

While this amazing feat drastically reduces the time it'll take to get such high quality picture into our homes, the amount of computing power required to achieve this level of compression still needs to be drastically reduced. Think set-top box reduced. But while 1 year ago, we thought it would take 15-20 years to achieve this, NHK figures it'll only be 10-15 years until we're watching 7680 x 4320 pixel ultra-HD resolution on our home theater TV's. That level of picture quality is truly frightening!


http://www.bhfo.org/images/stories/ultrahighdef.jpg

http://www.bhfo.org/images/stories/viewing_standards.jpg

 :P

desi in japonia probabil anul asta intra pe piata ,la noi o sa mai dureze. ramane de vazut cat...

dupa cum va dati seama...o sa fie cea mai clara imagine pe care ati vazut-o vreodata
Usually I should post my phone name, PC config here... but IT'S NOT ABOUT THE HARDWARE ANYMORE. May you live in interesting times!
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#2
aL3xUtZu
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1735 mesaje
din 14/11/2005
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02 iunie 2008, 19:48:30
33 mpx ... Vreau si eu asa ceva  :D prevad un viitor foarte virtual :lol:
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autor subiect #3
Cint
好人礼服黑色
15174 mesaje
din 05/10/2005
61 aprecieri
02 iunie 2008, 19:51:41
cica in 10-15 ani o sa devina standard...mai ai de asteptat  :P chestia e ca ...japonezii au deja tehnologia necesara,ca doar au facut demonstratia...
Usually I should post my phone name, PC config here... but IT'S NOT ABOUT THE HARDWARE ANYMORE. May you live in interesting times!
TIME is the greatest gift of all. "Waste" your time wisely.Don't waste your time with someone who doesn't have it to spend it with you
#4
aL3xUtZu
MW Addicted
1735 mesaje
din 14/11/2005
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02 iunie 2008, 23:58:57
japonezii...vezi ce face orezul din mintea omului :lol: ... Ma intreb oare cat de clar si de real poate sa se vada  :D ...
SPV SUX :| NOKIA SUX :| SONY ERICSSON SUX :| MOTOROLA SUX :| SAMSUNG SUX :| LG SUX :|
:coolup: PC RULZ :coolup:

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autor subiect #5
Cint
好人礼服黑色
15174 mesaje
din 05/10/2005
61 aprecieri
03 iunie 2008, 00:18:26
un film HDTV de o ora si ceva are 5-8 GB. 1 minut decomprimat UHDTV are 200GB .

bineinteles...folosesc o compresie si apoi o decompresie a datelor.

24Gbps spune tot :)
Usually I should post my phone name, PC config here... but IT'S NOT ABOUT THE HARDWARE ANYMORE. May you live in interesting times!
TIME is the greatest gift of all. "Waste" your time wisely.Don't waste your time with someone who doesn't have it to spend it with you
#6
cosmin91ro
MW Addicted
848 mesaje
din 15/08/2006
03 iunie 2008, 06:41:21 • actualizat 03 iunie 2008, 06:41:48 (1 ori)
am avut ocazia sa vad un astfel de clip...vreau sa spun ca se vede suuuuuper marfa!!! aa..si...un dual core de la intel de 1,6 cu 2 Gb ram nu facea fata cu brio,se mai sacada cateodata  ;) asa ca daca vreti calitate video,luati va fratilor si PC uri bazate
<a href ="http://www.foliibrasov.ro" >Pune folii pe masina ta in Brasov, ieftin si omologat</a>
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