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http://www.businesswire.com/news/ho...-Disc-Association-Completes-Ultra-HD-Blu-ray™
BusinessWire said:In addition to delivering content in up-to 3840x2160 resolution, the Ultra HD Blu-ray format enables delivery of a significantly expanded color range and allows for the delivery of high dynamic range (HDR) and high frame rate content. Next-generation immersive, object-based sound formats will also be delivered via the Ultra HD Blu-ray specification. Additionally, with the optional digital bridge feature, the specification enhances the value of content ownership by embracing the notion that a content purchase can enable the consumer to view their content across the range of in-home and mobile devices.
The specification also mandates all new Ultra HD Blu-ray players be capable of playing back current Blu-ray Discs, giving consumers access to the vast library of more than 10,000 titles currently available on Blu-ray Disc.
New ULTRA HD Blu-ray discs hold up to 66GB and 100GB of data on dual and triple layer discs respectively.
http://www.cnet.com/news/ultra-hd-blu-ray-specification-now-complete-logo-unveiled/
CNET said:The BDA has yet to expand on which specific standards will be supported as for each of these features there are a number of competing options: for example there are two object-based sound formats -- DTS:X and Dolby Atmos. However, a spokesperson for the BDA said that specific audio support is optional and not mandatory so "if it's on the disc it's passed through".