Japanilainen yleisradioyhtiö NHK on aloittanut testit uudella Ultra HD tekniikalla joka hakkaa monen haaveileman full hd moskan 10-0.
Resoluutio 7680 x 4320, 22 kanavainen ääni, jne. Unohtakaa FULL HD, se on VANHENTUNUTTA TEKNIIKKA jolla yritetään vain rahastaa kuluttajia.
http://www.tvbeurope.com/index.php?option=com_content&task=view&id=685&Itemid=1
French company Ateme's encoding technology has been selected for use in the first public Ultra HD demonstration with MPEG-4 AVC (H.264) by NHK in Tokyo. Ateme is cooperating closely with NHK Labs in the design and development of this next-generation standard, the spec of which is as impressively even further beyond HD than HD is already beyond SD, writes Andy Stout.
NHK, which first began research into HD in 1964, has now started public testing of the next-generation Ultra HD standard. NHK's Ultra HD technology includes a resolution of 7680 x 4320, which is up to 16X 'clearer' than HDTV. The prototype super-fast cameras can capture data at a rate of 4,000 frames per second and the audio component is 22.2 (as compared to today's 5.1 surround sound).
Ultra HD cameras, recorders, encoders and projectors are being developed now and 2009 will mark the introduction of the full specification for Ultra HD. NHK estimates that satellite transmission tests will begin in 2011, and by 2020, Ultra HD will be ready for broadcast to households.
Ultra HD broadcasting consumes a tremendous amount of bandwidth - 18 minutes of uncompressed footage consumes 3.5 terabytes of data and one minute of uncompressed footage consumes 194 gigabytes. The use of Ateme's MPEG-4 AVC compression technology dramatically reduces the bandwidth requirements while maintaining the best quality.
"We are very excited to be partnered with NHK - the leading broadcaster in the world for advanced technology implementation - for Ultra HD," said Benoit Fouchard, VP sales, broadcast and broadband for Ateme. "Ateme's MPEG-4 AVC encoding has always been accepted as the world's best, and NHK's sole reliance on our technology proves we are fully capable of scaling to the ultimate in bandwidth and quality requirements for HD. We are very proud to be working with them and look forward to a continued partnership with NHK."
Resoluutio 7680 x 4320, 22 kanavainen ääni, jne. Unohtakaa FULL HD, se on VANHENTUNUTTA TEKNIIKKA jolla yritetään vain rahastaa kuluttajia.
http://www.tvbeurope.com/index.php?option=com_content&task=view&id=685&Itemid=1
French company Ateme's encoding technology has been selected for use in the first public Ultra HD demonstration with MPEG-4 AVC (H.264) by NHK in Tokyo. Ateme is cooperating closely with NHK Labs in the design and development of this next-generation standard, the spec of which is as impressively even further beyond HD than HD is already beyond SD, writes Andy Stout.
NHK, which first began research into HD in 1964, has now started public testing of the next-generation Ultra HD standard. NHK's Ultra HD technology includes a resolution of 7680 x 4320, which is up to 16X 'clearer' than HDTV. The prototype super-fast cameras can capture data at a rate of 4,000 frames per second and the audio component is 22.2 (as compared to today's 5.1 surround sound).
Ultra HD cameras, recorders, encoders and projectors are being developed now and 2009 will mark the introduction of the full specification for Ultra HD. NHK estimates that satellite transmission tests will begin in 2011, and by 2020, Ultra HD will be ready for broadcast to households.
Ultra HD broadcasting consumes a tremendous amount of bandwidth - 18 minutes of uncompressed footage consumes 3.5 terabytes of data and one minute of uncompressed footage consumes 194 gigabytes. The use of Ateme's MPEG-4 AVC compression technology dramatically reduces the bandwidth requirements while maintaining the best quality.
"We are very excited to be partnered with NHK - the leading broadcaster in the world for advanced technology implementation - for Ultra HD," said Benoit Fouchard, VP sales, broadcast and broadband for Ateme. "Ateme's MPEG-4 AVC encoding has always been accepted as the world's best, and NHK's sole reliance on our technology proves we are fully capable of scaling to the ultimate in bandwidth and quality requirements for HD. We are very proud to be working with them and look forward to a continued partnership with NHK."
Vastaukset 6
Vanhimmat
joo, eipä kannata fullHDhen sekaantua.
ultraHD'tä tarjolla jo vuonna 2020.
pakkaamaton kuva 18 min kuluttaa 3,5 terabittiä... kyllähän sitä aina voi pakkailla (LAATU KÄRSII) että mahtuis elokuva yhdelle 50 teran kiintolevylle... tai voi kans käyttää samaa kiintolevyä aina ja aloittaa lataamaan maksullisesti erittöin nopealta serveriltö jopa 1 mega/s... ei kestä kuin kolme viikkoa... GO GO GO tekniiikka
loppujen lopuksi... vois sanoa jälkiviisaana että ei olis koskaan kannattanut sekaantua DVD aikaan. olis hypänny VHS:stä suoraan FUll HD kuvaan. ja aikaa ei olis menny hukkaan kuin 10 vuotta..
katsojille Ultra näkö , että voisivat katsoa ks. tv:tä ?
kun sellaisessa ei normaali silmä näe enää mitään eroa tuohon FullHD:n.
"kun sellaisessa ei normaali silmä näe enää mitään eroa tuohon FullHD:n."
Ihmisen silmän tarkkuus on 120 asteen kulmassa 25000*25000 eli 625 megapikseliä. On pikkasen matkaa vielä. Ja tuon Ultra HD:een tarkkuus on vain 33megapikseliä.
625 megapikseliä, ihmeen hyvälaatuisia valokuvia tulee 5 megapikselin kameralla vaikka silmä näkisi yli 100 kertaa tarkemmin väittämäsi mukaan.
Ihmisen silmän tarkkuus on arvioiden mukaan 1800 dpi. Tätä pienempiä yksityiskohtia on vaikea nähdä tulostetusta kuvasta ilman suurennuslasia l. luuppia. Silmän erottelukyky on n. 30 cm etäisyydellä noin 300 dpi. Silmin ei voi erottaa kahta erillistä pistettä 25 cm päästä, jos pisteiden etäisyys on pienempi kuin 1/15 mm.