Home cinema disc evolution stalls

For nearly thirty years, home cinema has experienced a new generation of discs approximately every ten years. However, this mechanism appears to have been interrupted.

Blu-ray Association halts development

The Blu-ray Disc Association (BDA) is not preparing any successor to the Blu-ray 4K, which could continue to evolve without changing the medium. A paradoxical situation, as several disc player manufacturers are withdrawing from the market.

History of disc formats

The DVD appeared in 1996, the Blu-ray in 2006, and the Ultra HD Blu-ray in 2016. Three generations, spaced by a decade, which have gradually improved the definition, colors, contrast, and sound reproduction of films.

No new format in sight

Following this pace, 2026 could have marked the arrival of a new disc. This will not be the case. On the occasion of the tenth anniversary of the Ultra HD Blu-ray, the American media eCoustics questioned several industry representatives.

No 8K commercial format planned

Among them, Victor Matsuda, president of the BDA and of its global promotion committee, confirmed in August last year that no commercial disk format for 8K was being developed within the association. Moreover, no such project is currently planned in the short term.

8K on Blu-ray exists but not for cinema

8K on Blu-ray already exists, but not for cinema. On paper, the succession seems obvious. With its 33 million pixels, four times more than in 4K, 8K could justify a new generation of discs.

Lack of content and hardware

However, it would be necessary to have content that could benefit from it and televisions capable of displaying it. However, cinematic productions finalized in 8K remain exceptional. Even when a film is shot in a resolution higher than 4K, its post-production and visual effects do not necessarily follow.

Industry not pushing for 8K

Most masters intended for distribution are still produced in 2K or 4K. The television market is not pushing further in this direction. Several manufacturers have already abandoned 8K due to insufficient demand.

Technical capability exists

Paradoxically, there is a specification allowing the recording of 8K programs on Blu-ray. The BDA finalized it as early as December 2017, to accompany the launch of Japanese satellite channels 4K and 8K, which took place at the end of 2018.

Not a commercial format for films

As Victor Matsuda explains, it allows the recording of programs on BD-R and BD-RE discs that can reach 128 Go, with HEVC compression, up to 8K at 60 frames per second and with support for HDR HLG. However, be careful with the distinction: this technology is used to record television programs.

Not for pre-recorded films

It does not constitute a commercial format for pre-recorded 8K films, with its own mastering requirements, content protection, and hardware compatibility. And it is precisely this that the industry is not seeking to develop.

No need for new discs

According to Victor Matsuda, neither content creators nor consumers currently express a need justifying a new generation of discs. Does the Blu-ray 4K really need a replacement?

Current format has strong features

Improving the home cinema experience does not necessarily mean multiplying pixels. The Ultra HD Blu-ray already has solid arguments: 4K definition, HDR, wide color space, and lossless audio tracks.

Data rates and potential improvements

On 100 Go discs, the total data rate of audiovisual streams can reach about 128 Mbit/s, with a ceiling of 100 Mbit/s for HEVC video itself. A margin well above the usual data rates of 4K streaming.

Format can still evolve

Victor Matsuda believes that the most interesting progress could now concern HDR, color depth, or immersive audio oriented toward objects, rather than a new increase in definition. He does not see any particular technical limits for Ultra HD Blu-ray for the next decade.

Economic challenges

The absence of a successor therefore does not necessarily mean the disappearance of the Blu-ray 4K. Panasonic remains present in the player market, while specialists like Magnetar and new manufacturers are trying to take over.

Market trends

However, the door is not definitively closed. Victor Matsuda believes that a new format could regain its relevance if particularly demanding content ever exceeded the distribution capacities of the Internet.

Continued relevance

However, no such need seems to be emerging today. The real uncertainty now concerns less the format itself than the future availability of devices capable of reading it.

End of an era?

The Blu-ray 4K could thus become the last major physical format for home cinema. Not because it would be technically unmatchable, but because the market no longer needs to find a replacement for it.