230 Video Production Handbook n n n n n n n n n n Dynamic microphone: A rugged, low-maintenance, not easily distorted microphone. Graphic equalizer (shaping filter): This unit is equipped with a series of slider controls, which allows selected parts of the audio spectrum to be boosted or reduced. Handheld microphone: Widely used by news reporters and musicians. Lavalier microphone (mini-mic, clip-on, lapel mic): These small "Lav" microphones clip onto the talent's clothing and provide fairly consistent, hands- free, audio pickup of the talent's voice. Limiter: A device for preventing loud audio from exceeding the system's upper limit (causing overload distortion) by progressively reducing circuit amplification for louder sounds. Monaural (mono): One audio track. Natural sound: The recording of ambient or environmental sounds on location. Omnidirectional microphone: This type of microphone can pick up audio equally well in all directions. Patch panel/jackfield: Rows of sockets to which the inputs and outputs of a variety of audio units are permanently wired. Units may be interconnected with a series of plugged cables (patch cords). Preamplifier: An amplifier used to adjust the strength of audio from one