STArTInG A LOCAL RADiO stAtiOn - Nai

Section 2: Basic Technical Topicswith a microphone close to the sound. However, this technique can produce unwanted noise and buzzing,which can reduce the quality of your recording drastically. A telephone hybrid in your productionstudio also allows you to pre-record telephone calls that can be aired later. This is useful when you wantto gather responses from the community after a specific show or event.Audio Amplifiers increase the volume from the various sources of sound in your studio. You can amplifythe sound going into your headphones or the speakers in the studio.The diagram below shows you how all the equipment in a studio links together.SatelliteReceiverComputerPlayer/RecorderTelephoneHybridMicrophone#1MIXERLine outProcessorTransmissionMicrophone#2AudioAmplifierHeadphonesLoudspeakersOutput to equipmentLocal power sourceinputVoltageRegulatorComputers are useful tools for radio production; they are found in most studios in Afghanistan. The programsDiagram on your of computer broadcast are studio called equipment software. Each software program has its own distinct purpose, forexample, to write documents, create spreadsheets, access the Internet or edit audio. Make sure that thesoftware you buy for your computer is not a pirated or illegal copy. The hardware of the computer is thegeneral name for everything else, like the wiring, the monitor, the keyboard and the drives.In a radio studio you will use a computer to play sound such as recorded music or programs. In order foryour computer to be able to play audio it needs to have a piece of hardware inside it called a sound cardor audio card. If you plan to use your computer for simultaneous playback and recording inside yourstudio (playing music on a computer while recording a studio program on the same computer), you willneed two sound cards. There are many types of sounds cards. If you want to connect professional studiomicrophones to the computer, it’s important to make sure the sound card you buy has the correct connectors.The Digigram Vx222e sound card provides good quality audio and is used often in radio studiosin Afghanistan.26 STARTING A LOCAL RADIO STATION: A MANUAL FOR AFGHANISTAN