From the course: Digital Media Foundations

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What are legal levels?

What are legal levels?

From the course: Digital Media Foundations

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What are legal levels?

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- [Voiceover] When video is broadcast, there are limits to how bright an image can be, and for that matter, a minimum level of brightness. In real terms, we're talking about the intensity of the signal. But for the purposes of producing video, we're working with upper and lower limits that we'll see in a waveform monitor. And I'll talk about these in a later lesson. There are lots and lots of standards set by the ITU, who are an international organization set up to define these things. The rules for Internet-Delivered Video are very broad. If it looks okay on your computer monitor, it'll probably look okay on everyone else's, though you'll definitely want to check with other devices like phones and tablets. For Broadcast Television Delivery, there are three standards worth keeping an eye on: 601, 709, and 2020. And these are sometimes referred to as Rec.601, or ITU 601, or just 601, and so on. It's not very catchy as a set of names, but thankfully these are easier to work with than…

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