8K discussion thread

[DDH]

Op/Ed: Why We Need More Pixels for Filmmaking
https://8kassociation.com/why-we-nee...or-filmmaking/

[Geoff D]

Originally Posted by DDH

Op/Ed: Why We Need More Pixels for Filmmaking
https://8kassociation.com/why-we-nee...or-filmmaking/

Eh, just the usual stuff. More pixels for filmmaking have a myriad of advantages - again, mostly for reframing and oversampling more quality into the final downscaled product - but I’m still not seeing where 8K is crucial for the home display.

[DDH]

Where can you get 8K content in 2021?
https://www.pickr.com.au/qa/2021/whe...ntent-in-2021/

[DDH]

DVB prepares the way for advanced 4K and 8K broadcast and broadband television
https://dvb.org/news/dvb-prepares-th...nd-television/

[DDH]

The Past, Present, and Future of Per-Title Encoding
https://www.streamingmedia.com/Artic...ticleID=147705

Forward-looking content aware encoding for next generation UHD HDR WCG HFR
https://mile-high.video/files/mhv201...chon_Paper.pdf

Abstract - This paper shows how the future challenges of video compression can be met by leveraging both expertise in optimized compression and latest advances in artificial intelligence, thus spending exactly the right amount of bits on each piece of video information. As we envision a world of life-like TV, enhanced in all possible degrees of freedom, immersive 8K HDR WCG HFR is just knocking at our door. Although technology is improving at a constant pace, processing and transmitting such an amazing amount of information remains an incredible challenge. The BBC transmitted a UHD HDR live feed of the FIFA 2018 World Cup at 36 Mbps. The ATEME TITAN Live encoder does it already at 22Mbps and lower. Even though the future ITU-T ISO/IEC VVC is promising a 50% coding efficiency gain compared to HEVC, compression will not be enough, thus leading to strategies like UHD forum Phase B guidelines recommended content aware encoding .

CONCLUSION
In this paper, an analysis of the general perceptual features of current and up-coming video contents is provided. From that analysis, a generic content adaptive encoding framework is derived, relying both on artificial intelligence and trellis optimization algorithms. The main advantages of the proposed framework are its optimal adaptation to any content, including UHD 8k, HFR and HDR using any codec such as HEVC, AV1 or VVC, and its ability to enforce any arbitrary constraint. As such, the proposed framework is highly future-proof. Future works to be presented includes live content adaptation and player side optimizations.

[Penton-Man]

Originally Posted by DDH

The Past, Present, and Future of Per-Title Encoding
https://www.streamingmedia.com/Artic...ticleID=147705

Just this week from the virtual PCS 2021, you can listen to video compression, etc. from Netflix themselves -

W3 Netflix Challenges in the Video Compression World - YouTube

including near the end a brief discussion of the next generation of codecs beyond AV1 starting around the 38min. timestamp. Very easy to follow.

Originally Posted by DDH

Forward-looking content aware encoding for next generation UHD HDR WCG HFR
https://mile-high.video/files/mhv201...chon_Paper.pdf

I’ve briefly skimmed some of the other videos out of PCS 2021 and unless I missed it on the list - https://www.youtube.com/channel/UCjL...6KmWbFA/videos
Also from ATEME et al., I’ll waiting on this presentation to drop –

AI for VVC optimisations and enhancements
Session organizers: M. Abdoli (ATEME, France), T. Biatek (ATEME, France), E. François (InterDigital, France), and W. Hamidouche (IETR, France).

The next generation video coding standard named Versatile Video Coding (VVC) developed by the Joint Video Experts Team (JVET) jointly established by MPEG/ISO and VCEG/ITU has reached the Final Draft International Standard (FDIS) stage in July 2020. VVC introduces numerous new coding tools enabling around 50% bitrate reduction for the same subjective quality with respect to its predecessor standard HEVC. VVC is intended to facilitate the deployment of new video formats and applications such as omnidirectional (360°), High Dynamic Range, cloud gaming, screen content and 8K resolution content distribution which require special attention for compression and transmission. However, VVC complexity has significantly increased compared to HEVC and thus encoding complexity needs to be carefully addressed to take advantage of the VVC coding efficiency in real time applications.

On the other hand, recent advances in Artificial Intelligence (AI) have brought outstanding performance in many computer vision applications including image super resolution and quality enhancement. These machine learning and deep learning approaches can be considered to tackle the problems of quality enhancement of the decoded VVC video and its complexity increase. They are also being considered by JVET and MPEG as potential tracks to enhance the VVC standard with new NN-based coding tools. This special session will focus on deep learning-based solutions for VVC video quality enhancement and complexity reduction performed as pre-processing, post-processing or inside the video codec.
Topics or relevance are include but are not limited to:
• AI for VVC pre and post-processing
• AI-driven VVC encoding decision
• AI-based coding tools for possible VVC extensions
• AI for VVC compression performance improvement

[DDH]

VVC Advance announces the terms of VVC licensing, the same days, DVB announces VVC has passed the Commercial Requirements stage.
Are the star aligned ?
https://twitter.com/thierryfautier/s...54653848391681

VVC ADVANCE PATENT POOL: ROYALTY RATES SUMMARY
https://accessadvance.com/vvc-advanc...rates-summary/

[SeeMoreDigital]

What... No MPEG-5 EVC (Essential Video Coding)

[staknhalo]

Originally Posted by SeeMoreDigital

What... No MPEG-5 EVC (Essential Video Coding)

And then Dolby can come along and fragment it and then fragment their own fragmentation into 4,000 sub-fragments :P

[DDH]

8K is Here to Stay
https://www.oled-a.org/8k-is-here-to-stay_070421.html

[Auditor55]

Originally Posted by DDH

8K is Here to Stay
https://www.oled-a.org/8k-is-here-to-stay_070421.html

[unberechenbar]

I wonder if we'll ever see films with 8K DIs.

[Geoff D]

Originally Posted by DDH

8K is Here to Stay
https://www.oled-a.org/8k-is-here-to-stay_070421.html

“Just like the newsreels from the last world war”, eh? Please tell me these people don’t actually get paid to spout such bilge

[iap738]

Sorry if this has been addressed (huge thread):

Are there any recommendations for quality 8K HDMI cables? Due to my setup I need one approximately 12 feet. The one I have drops audio when I watch 4K discs but is fine with standard Blu-ray. It's a real pain.

[DDH]

Originally Posted by iap738

Sorry if this has been addressed (huge thread):

Are there any recommendations for quality 8K HDMI cables? Due to my setup I need one approximately 12 feet. The one I have drops audio when I watch 4K discs but is fine with standard Blu-ray. It's a real pain.

[DDH]

What is HFR, and what does high frame rate mean for sports and gaming?
HFR allows for smoother action and more fluid motion – but how?
https://www.techradar.com/news/what-is-hfr

[Lee A Stewart]

Originally Posted by DDH

What is HFR, and what does high frame rate mean for sports and gaming?
HFR allows for smoother action and more fluid motion – but how?
https://www.techradar.com/news/what-is-hfr

We have had HFR in HD since it was first broadcast: 720P = 60FPS.

[BrownianMotion]

Originally Posted by Lee A Stewart

We have had HFR in HD since it was first broadcast: 720P = 60FPS.

The article is mostly referring to 120fps.

Given the slow adoption rate of 4K and HDR, I won't hold my breath for more widespread 120fps broadcast content.

[Penton-Man]

Originally Posted by DDH

What is HFR, and what does high frame rate mean for sports and gaming?
HFR allows for smoother action and more fluid motion – but how?
https://www.techradar.com/news/what-is-hfr

To be clear, folks who have experience in this field, e.g. https://forum.blu-ray.com/showthread...r#post13558917

consider content equal to, or greater than 100 fps to be HFR, whereas 60fps is considered a conventional television frame rate. If memory serves, Fox Sports and ESPN started broadcasting in 60p, albeit 1280x720/60p at least four years ago. This white paper by Richard Salmon, formerly of BBC R&D, is considered one of the seminal works on HFR for television - http://downloads.bbc.co.uk/rd/pubs/w...les/WHP169.pdf

Back in the day, we actually got a little taste of UHD/HFR in a short demo - https://forum.blu-ray.com/showthread...r#post14556365 for those who could play it. A few months later, I think LG disabled the demo.

[Lee A Stewart]

Fox started using 720P back in 1997.

We all know that ATSC 3.0 will broadcast no higher than 1080P. So who will use 120 FPS for live sports?

I've never heard of upconverting frame rates. It's not like resolution (1080P to 2160P which is how they are showing sports today).