A channel by Shrey Tyagi
Short videos in 4K SDR/HDR10/HLG
➢ There are no false labeling, titles show the correct info of originally uploaded file.
➢ Yes, YouTube supports Dolby 5.1, streaming only supported on TV version of YouTube app.
➢ 8K videos are upscaled versions of high bitrate 4K files and look better on YouTube.
➢ 8K HDR is only supported on devices with HDR and AV01 codec decoding enabled.
➢ Video resolution claims can be verified using YouTube-DL. (Google it!)
For copyrighted content removal and business inquiries: 4k@shreytyagi.com
4K Clips And Trailers
Got a 3D TV?
1 month ago | [YT] | 22
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4K Clips And Trailers
The HDR converted videos on this channel were currently in transition phase. New changes after 3 July:
1) New base 203nits HDR grade which will go beyond it (up to 1000-nits) ONLY for certain specular highlights. This is being done to stay faithful to how HDR is ideally done in the industry. This will also help entry level devices and dim-OLED TVs to show the HDR images without much highlights clipping. The SDR tone-mapped version would remain exactly same as official version.
2) New intro (2 seconds logo, 4 seconds disclaimer, 4 seconds sound check). This is the shortest I could make it. To the intro haters, please understand that this is important to allow the HDR video to load in the background while the intro is playing. Also it helps maintain channel's brand value, answers important questions for new viewers, and confirms that you surround setup is correct. The surround check is done because this channel is primarily a quality demonstration channel, NOT a content channel.
3) No black bars. I am letting go the black bars now which means I will have to sacrifice my ability to put end screens. This will reduce engagement but provide better experience on non-standard aspect ratio devices.
4) Clips will start getting uploaded after October. Until then, trailers only.
2 months ago | [YT] | 67
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4K Clips And Trailers
All 5.1 surround sound uploads on this channel are official, authentic mixes — never AI up-mixed or artificially generated. What you hear is the real deal, directly sourced from original 5.1 content.
At times, I may slightly enhance the volume or bass levels to compensate for quieter mixes, but rest assured — the core audio remains untouched and true to the original.
2 months ago | [YT] | 66
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4K Clips And Trailers
I don't know how this channel is still alive because keeping such an unmonetized channel alive for more than 6 years has been tough since I have a full time job to do as well. I know you all expect a lot more content, especially clips. I am working on some ideas to elevate the channel even further, give me a few months. Until then keep supporting the trailers I upload. They're genuinely awesome because they're sourced from super-high quality P3 color 12-bit 5.1/7.1 sources and get my magical tough of HDR conversion retaining all color information that official uploads do not have!
Also shout out to @The_HDR_Dissector , @PLAYLIVETrailers and @LELABODEJAY for inspiring me lately. Do follow these men too!
4 months ago | [YT] | 110
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4K Clips And Trailers
Transitioning to Technically Correct HDR Conversions: A More Authentic Approach
As I move forward with my HDR workflows, I've noticed that most of my SDR to HDR conversions are ending up very bright—often hitting 1000 nits or even more. While this can make the image eye-catching and contrasty, it’s not really the ideal approach from a technical standpoint.
According to SMPTE guidelines, the white-diffuse value—the point at which most of the image content should fall—is 203 nits. This range is where the majority of your shot should reside, with anything higher (up to 10000 nits) reserved for specular highlights like explosions, the sun, reflections, or sparkles. By keeping the main parts of the shot within the 203 nits range, you're adhering to the way HDR was intended to be used.
Many filmmakers—Christopher Nolan’s films like Dunkirk, Oppenheimer, and Tenet being prime examples—are already embracing this approach. They keep their images close to that 203 nits mark, with highlights reserved for specific moments, even though it might feel a bit dim to some. This is actually a more authentic way of doing HDR, particularly when the source material doesn't have much dynamic range, like in SDR footage.
Starting in the latter half of 2025, I plan to make this transition myself. Moving to a 203 nits HDR conversion standard will not only make the grades more technically accurate and true to the source material but also make it easier for low-end TVs to display the content without highlight clipping. I recognize that this might feel a bit less "punchy" compared to the typical high-brightness HDR, but I believe it will bring a more balanced, cinematic experience—one that prioritizes detail and color fidelity over extreme contrast.
This isn’t just about following guidelines—it's about creating something that feels right and true to the artistic intent of HDR, while also making sure it’s accessible to more people, regardless of their display. Over time, I hope more filmmakers and content creators embrace this approach, as it offers a more sustainable way to use HDR without overblowing highlights that viewers may not even be able to fully appreciate.
Looking forward to hearing thoughts on this!
6 months ago | [YT] | 46
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4K Clips And Trailers
Look out for these hashtags in videos to know source information:
1) #10bit - Real 10bit color (10 or 12 bit source)
2) #4K - Official 4K source (not upscaled by me)
3) #HDR - Official HDR grade from studio (not converted to HDR by me)
3) #Surround - Official surround audio (5.0/5.1/7.1) source
4) #Flat - 1.85:1 ratio content
5) #DCI or #IMAX - 1.90:1 ratio content
6) #Widescreen - 1.78:1 ratio content
7) #Univisium - 2.00:1 ratio content
8) #Scope - 2.35:1 or 2.39:1 ratio content
9) #Anamorphic - 2.55:1 or 2.76:1 ratio content
8 months ago | [YT] | 73
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4K Clips And Trailers
Some interesting trailers uploading soon:
1) Captain America 4 IMAX trailer (4K switching ratio source with IMAX 5.0 audio)
2) Mission Impossible 8 teaser (4K 5.1 source)
3) Mufasa final trailer (4K 1.85:1 source with IMAX 5.0 audio)
4) Snow White trailer (2K 5.1 source)
5) Sonic trailer (2K 5.1 source)
6) Mickey 17 trailer (4K 5.1, 1.85:1 source)
7) Minecraft (4K 5.1, 1.85:1 source)
Clips will resume being uploaded from next year.
8 months ago | [YT] | 82
View 11 replies
4K Clips And Trailers
YT now officially supports streaming HDR10+ and u might have noticed my latest 2 uploads are available to stream in "HDR10+" on this channel. 99% of my videos will still remain HDR (no HDR10+) but I might try some more HDR10+ uploads in future. Thanks to @Filmix_4K for informing me that YT is now supporting HDR10+. Check out his channel too for lots of awesome HDR and HDR10+ clips.
10 months ago | [YT] | 100
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4K Clips And Trailers
Upcoming trailers (2K 12-bit 5.1 DCP upscaled to 4K 10-bit HDR 5.1) :-
1) Venom 3
2) Sonic 3
3) Lord of Rings 4
4) Smile 2
5) Hellboy Crooked Man
6) The Substance
7) Speak No Evil
11 months ago | [YT] | 74
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4K Clips And Trailers
Upcoming 4K HDR 5.1 Trailers:
• Deadpool 3 Trailer 2
• Mufasa Teaser
• Transformers One
• The Watchers Teaser (Native 4K)
QUALITY > QUANTITY, GOOD UPLOAD > QUICK UPLOAD
Thanks for your patience.
1 year ago | [YT] | 183
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