How a radio dj from the radio studio
| Added: 07-05-2008 Author: Duncan Kelly Category: Communication |
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THE STUDIO
The DJ in the studio talking on the microphone, and play a CD, stereo, and this measure has been sent to the mixer table, which combines all these signals and get the title and the tone was right. Voice signal is then go to the audio processor, which adds more info traffic signals, the pilot tone, RDS signal and may NICAM signals, among others. Stereo tracks are merged with the coded stereo, and then all of these signals are combined in a clever so-called baseband channel.
THE LINK
These signals are sent a digital link, which digitises the baseband, adding high frequency carrier, and then send it through the air near the center of transmitter, which is usually closed on the condition of the building or hill. Transmission station, this is a sign he has received, digital info Decoded and changed back into the baseband.
THE TRANSMITTING STATION
baseband is then sent to the transmitter, which is modulated (ie added to) the high frequency FM carrier. FM stands for frequency modulation, which means that the said FM frequency, 95.6 MHz, little has changed over time, the second will be 95.5998, 95.6005, it will become, and so on. 95.6 MHz, what that means, is a sign that switched on and off again to 95.6 million per second. This high frequency carrier signal is raised up to the transmitter equipment, and then the signal sent from the transmitter cable to ast, at the top which is the antenna that this change in electrical signal sumakuumeme signs - one for travel by air.
TRAVELLING THROUGH THIN AIR
Signals transmitted diseases can do it because it contains two areas: direct electric and magnetic. Collapse in an electric field, magnetic field offers, and when the magnetic field collapses, giving the electric field. Therefore, these two fields to work as an inchworm, to encourage each other to move forward through a narrow air.
THE HOPS
Signals often travel by air receiving and transmitting stations further, where the baseband signal is taken back, and then remodulated to a different frequency to once again delivered. This is to achieve a wider area of immunization with the radio.
YOUR DEMODULATOR IS YOUR RADIO
After antenn electromagnetic radio signals you've arrived, the power of the signal is extracted, and didemodulasi by your radio. What this means is that, the high frequency signal is separated from the baseband signal, and this is again a baseband signal is separated into it's part, ie stereo, RDS (which provides the name of the radio station you's screen) report traffic info, and NICAM, which has the power to provide CD-quality sound, or a dual language track.
No wonder he said was quite developed any technology is indistinguishable from magic!
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