Posts tagged tv systems
Today we looked at timecode with a substitute lecturer, the lecture today wasn’t very successful as they were trying to teach us directly from Martin’s note without reading over them before. We have been told to expect thatMartin’s absence will be for sometime, this could affect more of our BT lectures as well as our TV Systems and Signals Lectures, as he is our main course leader.
Today’s lecture was quite mismatched as he was just reading from the notes, and explaining the bits we did not understand, this still didn’t give us the full reason / story behind timecode and why we use it. I feel they could have gone into more depth on how it works technically and why its so crucial.
Today we looked at satellites and how the play a key role in the world of broadcasting as well as the rest of the communication and location markets. The Astra group of satellites are the main group in operation for Broadcasting use in Europe.
Continuing on from the basics we learnt in the first few lectures, we moved on to some basic analogue circuits, including creating a Hi-pass and Low-Pass filter. These filters are both very simple, yet they provide crucial functionality in many everyday appliances. A good example of this is the Phone it has a 3KHz Hi-Pass Filter in it, creating the distinctive sound you hear. A Mid-Pass Filter is another extremely common one, particularly in broadcasting. Used mainly in TV tuners, to decipher one signal from the next. They are used for this purpose as they can be set to allow a very small frequency range through at a time, useful for splitting the hundreds of signals sent over FreeView.
TV Systems & Signals
TV Systems and Signals, was unfortunately canceled today due to unforeseen circumstances.
Optical Fibre Links
Today we looked at optical fibre links and how they now power the internet age that is now upon us. The amazing power of fibre is slowly being understood with new theoretical limits being constantly found, the current tested theoretical limit could handle the worlds current internet and phone traffic, and more in a single fibre.
Fibre’s are the back bone the UK broadcast industry, as they link all the Studio Centers with the 1000+ Transmission sites in the UK. The Fibre links are mission critical for all Analogue and Freeview transmission, as they provide the 17 Main and 1000 “Fill” UHF Transmitters, with the signal to broadcast.
This is my first real blog post for IPP / Fluxity and its on Electronics and TV Systems and Signals. This is still right at the start of the course for us, so we are starting right at the beginning with the Electronics and Tv Systems and Signals.
Starting with the basics over the last few lectures, we looked into the fundamentals of Electronics, this included:
- The Atom
Most of this I had covered previously in at A Level, but these lectures stood as a handy recap. Over these lectures we also covered Resistance, Power, and Capacitance, all at a fundamental level, to provide the building blocks for later lectures.
Tv Systems & Signals
Tv Systems and Signals is a completely new unit for most of us on the course. with these first couple of lectures covering the very basics, starting with the Broadcast Chain and The EM Spectrum. Both topics although basic provided me with a huge insight into the broadcast world and how its not as simple as just watching TV makes it seem. This small insight into the industry has spurred me on to find out as much as I can about being a Broadcast Engineer