Fourth generation Blu-ray: 128Gb
- Sony and Panasonic present their successor to Blu-ray
- Sony and Panasonic have announced their plans to develop a successor for Blu-ray discs.
The companies claim they want to develop a optical disc capable of storing at least 300 gigabytes of data by the end of 2020. By contrast, regular dual-layer Blu-rays can only hold up to 50GB.
Sony has previously said that 4K ultra-high definition movies, which offer four times the resolution 1080p video, take up more than 100GB of space.
He has recently launched a device that allows streaming movies in 4K over the Internet, but that will not apply to people with slow Internet access or accounts with data usage limits. [Read more about System plus holographic storage battery]
Tech firms don't directly refer to 4K movie sales in their press release, instead preferring to talk about the "File market", wider.
"Optical discs have excellent environmental protection properties, such as resistance to dust and water, and they can also withstand changes in temperature and humidity when stored," they say.
“They also allow cross-generational compatibility between different formats, ensuring that data can continue to be read even as the formats evolve. This makes them a robust medium for long-term content storage. "
While companies indicate that the main target market for the new technology will be companies that want to copy and preserve their data, it is also likely that there will be demand for higher capacity disks in the consumer market, even as sales of existing formats are decreasing.
The rise of streaming services like Amazon's Lovefilm, Tesco's Blinkbox and Netflix, along with the problem of Internet piracy, has depressed sales of disc-based movies and TV set-top boxes.
The demand for additional storage space is also likely to be driven by the public's ability to generate their own ultra-high definition footage.
"The cheapest way to store a lot of this stuff in the long term is going to be on an optical disk, rather than on a solid state drive in a laptop or tablet, or on SD cards," said Paul O'Donovan, expert in digital video from the technology consulting firm Gartner.
“And they are more suitable if we want to send someone the video we have recorded.
Special 100GB triple-layer Blu-ray BDXL discs already exist, offering an interim solution, and fourth-level 128GB versions are on the way. However, none of them can be read on a normal player.
Links related to More capacity on Blue-ray:
- Blu-ray DVD
- Blu-ray and HD DVD compatible technology
- Tech news