4K vs UHD
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@scottalanmiller All standards for display resolutions were set out by NTSC and VESA.
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@Mike-Ralston said:
@scottalanmiller All standards for display resolutions were set out by NTSC and VESA.
Um, no. NTSC was for only one country and didn't set international standards. VESA is just a company that sells standards and hasn't been a major player in decades. They were anything but standards for "all" displays and neither has had any important role in a very, very long time.
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@Mike-Ralston said:
https://en.wikipedia.org/wiki/VESA
https://en.wikipedia.org/wiki/NTSCNTSC has been obsolete for many years (it be came illegal in 2009) , ATSC is the current standard. However they specify the standards of broadcast "legal" video.
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@thecreativeone91 said:
@Mike-Ralston said:
https://en.wikipedia.org/wiki/VESA
https://en.wikipedia.org/wiki/NTSCNTSC has been obsolete for many years (it be came illegal in 2009) , ATSC is the current standard. However they specify the standards of broadcast "legal" video.
Which, while important, is a very minor slice of American only specs. Broadcast is almost trivial these days (does not apply to cable, computers, Netflix, DVDs, BluRay, etc.) and is US only (which is a big player, but only one of many not as big as EU or Chinese standards.)
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@scottalanmiller said:
VESA is just a company that sells standards and hasn't been a major player in decades. They were anything but standards for "all" displays and neither has had any important role in a very, very long time.
VESA is the group responsible for standardized monitor mounting, and the highest bandwidth consumer display connector currently available, DisplayPort, which is the only standard currently able to support Adaptive Synchronization. VESA is made of a large number of corporations who get to decide what the de facto standards are, that everyone else follows. Maybe they aren't OFFICIAL standards, but they are the industry standards that everyone involved in the display panel industry knows, and they are widely accepted. So, I was incorrect for saying they are Official Standards, as they weren't set forth by the FCC or some governing body, I apologize for the misinformation.
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@Mike-Ralston said:
@scottalanmiller said:
VESA is just a company that sells standards and hasn't been a major player in decades. They were anything but standards for "all" displays and neither has had any important role in a very, very long time.
VESA is the group responsible for standardized monitor mounting, and the highest bandwidth consumer display connector currently available, DisplayPort, which is the only standard currently able to support Adaptive Synchronization. VESA is made of a large number of corporations who get to decide what the de facto standards are, that everyone else follows. Maybe they aren't OFFICIAL standards, but they are the industry standards that everyone involved in the display panel industry knows, and they are widely accepted. So, I was incorrect for saying they are Official Standards, as they weren't set forth by the FCC or some governing body, I apologize for the misinformation.
What's any of those standards have to do with HD, 4k, Film vs broadcast etc, though?
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@thecreativeone91 HD is commonly accepted as 720p, 4K is properly known as 4096 x 2160, and so forth. Broadcast isn't standardized, as every network may choose to broadcast at a different resolution or aspect ratio. Film is done at 1.85:1 or 2.35:1 most commonly, and this can be viewed in it's proper glory on 21:9 aspect ratio monitor, a new generalized "standard" that has been out for a few years.
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@Mike-Ralston said:
@thecreativeone91 Broadcast isn't standardized, as every network may choose to broadcast at a different resolution or aspect ratio.
That's not true for broadcast.
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@Mike-Ralston said:
@thecreativeone91 HD is commonly accepted as 720p
What? 720 is the entry HD thing that was a way to ease into higher resolutions. Full HD is the 1920x1080.
Also the P is irreverent to resolutions. That refers to progressive video. Many broadcast stations still do interlaced which manes two "frames" are put in one by using upper and lower fields of the video. HD, SD etc, etc. Can be either Progressive or interlaced. -
@Mike-Ralston said:
@thecreativeone91 HD is commonly accepted as 720p
"Commonly" is a tough term here. Commonly by consumers being sold cheap displays? Commonly people know that marketing people will use this term to fool them? Sure, that might be common, or maybe not. Normal people don't understand any of these terms. The number of people being sold them is many times higher than the number of people with some understanding of them and the number of people who really know what is intended or being said is a small subset of that.
Ask an average person what HD means, and they will probably have no idea what 1080p is but they will likely state that it is "high definition", which is the opposite of what 720p is today.
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@thecreativeone91 said:
@Mike-Ralston said:
@thecreativeone91 HD is commonly accepted as 720p
What? 720 is the entry HD thing that was a way to ease into higher resolutions. Full HD is the 1920x1080.
Also the P is irreverent to resolutions. That refers to progressive video. Many broadcast stations still do interlaced which manes two "frames" are put in one by using upper and lower fields of the video. HD, SD etc, etc. Can be either Progressive or interlaced.My Dreamcast was 480p SD. No widescreen, but it looked good.
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@thecreativeone91 Maybe broadcast is more locked down in the US, but with Digital Broadcasting, a network can stream at the resolution and aspect ratio that it wants. The TV receiving it will downsample or stretch the image, but that's up to the hardware on the user end. And HD does not refer to Interlaced Scan video, only Progressive Scan. Interlaced is used for TV broadcasting, and the occasional piece of professional equipment, most everything else is progressive scan.
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@Mike-Ralston said:
@thecreativeone91 Maybe broadcast is more locked down in the US, but with Digital Broadcasting, a network can stream at the resolution and aspect ratio that it wants. The TV receiving it will downsample or stretch the image, but that's up to the hardware on the user end. And HD does not refer to Interlaced Scan video, only Progressive Scan. Interlaced is used for TV broadcasting, and the occasional piece of professional equipment, most everything else is progressive scan.
Broadcast is VERY stringent in the US. What is allowed to be broadcast is crazy specific because it uses publicly shared airwaves. Broadcasters get a few choices, yes, but they are all pre-determined and very, very specific.
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The FCC lockdowns are useful in ensuring that television reaches the poor who haven't bought a new television in decades. But it also guarantees broadcast television irrelevance. It was useful long ago, today I think it is self defeating.
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@scottalanmiller I guess I'd define "Common" as "What is common knowledge among professionals in a designated area"
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@thecreativeone91 said:
@Mike-Ralston said:
@thecreativeone91 Broadcast isn't standardized, as every network may choose to broadcast at a different resolution or aspect ratio.
That's not true for broadcast.
Here is what the FCC allows.
1280x720 Square Pixels
Progressive Frame Rates: 23.976 24 25 29.97 30 50 59.94 60
Interlaced: Not allowed1920x1080 Square Pixels
Progressive Frame Rates: 23.976, 24, 25, 29.97, 30
Interlaced Frame Rates: 25, 29.9, 30 -
@Mike-Ralston said:
HD does not refer to Interlaced Scan video, only Progressive Scan.
HD does not refer to either one. It's resolution only. Resolution, Frame rates and Progressives vs Interlaced is are all separate things. You are badly misinformed.
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@Mike-Ralston said:
@scottalanmiller I guess I'd define "Common" as "What is common knowledge among professionals in a designated area"
None of that is "common" besides someone who is misinformed about the specifications.
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@Dashrender There's your answer. Film is done to look good, TV is done to comply to stringent FCC rules.
