Here's a java simulation of the Eniac computer. Try writing a program to make it work!
The transition from analog TV to HDTV has been a steep learning curve as most stations now have two parallel systems running: analog and digital. It is not as if it is just one system either, there's analog and digital audio and video. HDTV does not consist of just one format, there are dozens of formats for HDTV, 480i, 480p, 720i, 702p, 1080i, 1080p, and several transport streams such as mpg2, mpg4, avi, IPTV, etc.. Plus be able to transcode between the formats on the fly. It goes on and on.
These changes affect every step in the process: from production, news gathering, mobiles, remotes, ingest, editing, branding, playout, transmission, etc.. The engineers have to learn all of these new formats on the job while maintaining a station and maintaining sychronicity between the audio and video as the streams are separate. Synchronizing audio and video and then trying to maintain consistent volume levels with a digital signal has turned into a big headache. Volume is not easily measured as one would suspect - it consists of more than the peak levels and includes the background sound which all has to fit in a restricted bandwidth.
Now add into this mix that most new equipment is based on server farms and ethernet, the engineer has to learn networking concepts also such as TCP/IP, routers, VLANs, subnetting and switches, etc.. Just to confuse the issue, there are already analog and digital devices in broadcasting called video and audio routers and switches. A broadcast router is used to select a video or audio source for viewing, editing, etc.. A broadcast switch is used for mixing, creating special effects and creating shows - you've seen pictures of a director sitting in front of monitor wall (which are now going digital) calling the camera shots: take camera two, fade to commercial, etc.. the operator (technical director) is in front of a console full of buttons and levers performing the commands.
The BBC receives about 500 MB of data in a day (old stats), the problem becomes how to manage that much data coming in, how to catalog it using metadata (MXF), determine what to keep, how long to keep it, what to throw out, etc..
Another issue is just to edit HDTV? Uncompressed HDTV 1080p requires 2 Gbps BW for transport. Most transport streams except for 10 Gbps Ethernet aren't there yet. Most editors can't handle data moving that fast so HDTV is transcoded down to a smaller format, edited, then the edit commands perform the edits after to the HDTV to create the final production. This means that each piece of audio and video has to have a time stamp on it called a timecode.
More and more ingest and transmission is being sent through the Internet and private VPNs between stations. Often one station will control all the affiliate stations in the province or state. The affiliate stations will have their servers in the "HQ".
Back 5 years ago, you would see maybe 5 or 6 servers in a station, now you see rows of racks of servers of every type that you can imagine. There is a migration now from individual systems with each having its own server and a central storage such as SANs and NAS.
It is easier to teach a broadcast engineer about networking than an IT guy about broadcasting. But it is also imperative to have a trained and knowledgeable IT guys on staff.
Should it be a separate IT dept - absolutely not. The network is not separate, nor should the IT dept be. IT decisions which seem reasonable to an IT person can break the broadcast side or have dire consequences. The broadcast side is the money maker, the IT side supports broadcast.
"From what I've seen, many people enter college well before they've grown up."
I agree with this 100% When I graduated from high school (1973), I was totally unprepared for college. I didn't have a clue what I wanted to do or what I wanted to be. Since all my friends went to college, so did I. I spent 3 years banging my head, taking every course that I was interested in, dropping out of all that didn't interest me. No idea why I was there - no goals, just wasting time in school.
The point is that college wasn't the problem - it was me. I didn't know what I was doing there. After graduating (1976), I never worked in my field of Pure and Applied Science, I took any job that interested me: bouncer, audio visual tech, army, warehouseman, etc... After a number of years, I decided to go back to a polytechnical institute to learn about something that I was truly interested in and get a 2 year technology diploma (1981). This time I was mentally ready and focused - became a grade A student. I've been back since and updated to an IT field (1994).
Now I teach at the polytechnical institute and I see the same thing happening. Students take a program not really knowing why they are there. In our school, there is an attrition rate of about 10-20%, even though we have entrance requirements and go out of our way to make it perfectly clear what the field the students are getting into. Sometimes, until you try something, you just don't realize that it's not for you. It is okay to quit - contrary to what society makes you believe. If it is not the right thing for you - quit! Get on with your life doing something that you like.
I remember one student who was so frustrated in his studies, he would get so mad that he would have to leave the lab to cool down. I suggested to him that if this was making him so frustrated that maybe it wasn't the field he should be in. Ideally, you should be in a field that doesn't feel like work but feels like fun - that the problems you face are a challenge.
When you are 16-25 years old, what do you do? - you experiment! Sometime around the early to mid-20s, you start to realize who you are, what your values are, what interests you and what you want to do. Experience is the real teacher and once you know the "why" then the participation kicks in.
40% drop out rate - okay with me. It means that people are making decisions that are the best for them - maybe going to college or university in that particular field is really not what they want to do nor what they should be doing.
Politics: A strife of interests masquerading as a contest of principles. The conduct of public affairs for private advantage. -- Ambrose Bierce