Radio Production

1
Radio Production

• Sound Waves
• Microphone Types
• Microphone Pickup Patterns
• Cables Connectors

2
Sound is Waves!

• Amplitude (Db) is the loudness of the wave
• AM (Amplitude Modulation) changes the height of
  the wave.
• Frequency (Hz) is the pitch of the sound.
• FM (Frequency Modulation) changes the
  cycles/second of the wave.

3
Microphone Types- Moving Coil

• Sturdy and Reliable
• Poor Frequency Response
• Works with Electro- Magnetic Energy
• Dynamic Microphone

4
Microphone Types- Ribbon

• Very Delicate
• Good Response, Warm Sound
• Works with Electro- Magnetic Energy
• Dynamic Microphone

5
Microphone Types- Condenser

• Needs External Power
• Excellent Response
• Sometimes too Sensitive
• Stores Electrical Charge- Capacitor

6
Microphone Pickup Patterns

• Cardioid
• Super-Cardioid

• Omni-Directional
• Bi-Directional

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Microphone- Physical Types

• Handheld
• Shotgun
• Lavaliere

• Studio
• Wireless
• Parabolic Reflector

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Microphone Connectors
9
Cable Handling Tips

• Make sure you have more than you need
• Dont step on or crimp the cable.
• Coil the cable properly to protect it!

10
Radio Production-The Studio

• Audio Console
• Components
• Equipment Handling

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The Console- The Nerve Center

• - V.U. Meter
• - Channel Selector
• - Slider Potentiometer
• - Remote/On Button
• - Off Button
• - Cue Channel Light
• - Input Selector

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Studio Components

• CD Players
• Mini-Disc Recorder
• Cassette Recorder
• Reel to Reel Player/Recorder
• Cart Machine

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Reel to Reel Machine
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Cart Machine
15
Equipment Handling

• Need to clean the heads. Why?
• Tape is a plastic strip with chemicals and iron
  oxides it. These chemicals rub off onto the
  heads. The chemicals will block the magnetic
  pulses that form the signal on the tape.