I'm at a new job unexpectedly working with AV and was thinking this wasn't my scene. However, it turns out all the devices are now networked and there's a large digital component to the systems that I was unaware of. In result, I'm learning the lingo and inner workings of this world.
I don't come from an electrical engineering background, so when someone says "signal" I'm wary of what they could possibly be referring to. Wikipedia refers to it as a function which conveys behavioral or characteristic information of a phenomena (not word for word). This is less vague than I expected but still kind of vague. When it says function, does it mean a mathematical function or like a function found in OOP, or generally the function of some sort of a tool. The final one doesn't seem right simply because it's not being used in the sentence correctly for that version. I'm just going to ignore this word for now. It is something that conveys information about something that happens in nature. How about that?
Furthermore, Wikipedia claims that any quantity that can be measured concerning a variation in time or space may be a signal since it will provide information about a physical system. This, I think is more telling of what a signal actually, effectively is.
Yay for clarifying ambiguous engineering terms!
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