For the average consumer, "4K" and "Ultra High Definition" are no different. They can be replaced. However, when you chat with an expert in the video and film production industry, he would say that the “4k†of these “uncultured†consumers is not a real “4Kâ€. Don’t be angry. He is not ridiculing. He was right.
Explained using professional terms, 4K is a digital movie standard with a resolution of 4096×2160 pixels, 4096 is a horizontal metric, and 2160 is a vertical metric, which is calculated by a ratio of 1.9:1. Digitally speaking, it makes sense to describe it in 4K because it is indeed double the 2K (2048 x 1080 pixels).
Back to the consumer market, after all, most of us are still at this level. The TVs we watch are basically in the ratio of 16:9 and 1.78:1. This is not as wide as the screen size used by professionals, so we get the final The pixel resolution is 3840×2160, which is actually twice the 1920×1080 standard (which is what most of us often say 1080p or full HD), which explains why we always hear TV manufacturers say Ultra HD 4K resolution is four times that of 1080p.
In 2013, the Consumer Electronics Association (CEA) decided to put an end to everyone's confusion and to make marketing easier. Ultra HD is the official name of the new resolution standard. However, people called "4K" for too long. It seems unbelievable to switch to "Ultra High Definition" all of a sudden. Therefore, manufacturers such as Sony still insist on calling Ultra-High Definition TVs 4K TVs. In this way, the name change problem will become even more problematic. Can't solve it.
Back to the consumer market, after all, most of us are still at this level. The TVs we watch are basically in the ratio of 16:9 and 1.78:1. This is not as wide as the screen size used by professionals, so we get the final The pixel resolution is 3840×2160, which is actually twice the 1920×1080 standard (which is what most of us often say 1080p or full HD), which explains why we always hear TV manufacturers say Ultra HD 4K resolution is four times that of 1080p.
In 2013, the Consumer Electronics Association (CEA) decided to put an end to everyone's confusion and to make marketing easier. Ultra HD is the official name of the new resolution standard. However, people called "4K" for too long. It seems unbelievable to switch to "Ultra High Definition" all of a sudden. Therefore, manufacturers such as Sony still insist on calling Ultra-High Definition TVs 4K TVs. In this way, the name change problem will become even more problematic. Can't solve it.
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