Technical Application in Radio Broadcasting

Vocabulary flashcards covering the evolution of radio technology, microphone types, studio control systems, and amplifier functions based on technical broadcasting notes.

1920s Radio Technology

AM broadcasting (early wireless voice, known as the “golden age”).

1940s Radio Technology

FM emergence providing clearer sound and less interference.

1990s Radio Technology

Digital audio era involving DAB, satellite radio, and better quality.

2020s Radio Technology

Hybrid era featuring internet streaming and IP-based systems.

Dynamic mic

Strong, durable microphone best for loud environments that requires no power.

Condenser mic

Sensitive, high-quality microphone used in studios that needs $48\,V$ phantom power.

Polar pattern (cardioid)

A microphone pickup pattern that captures sound from the front and reduces background noise.

Audio mixing console

The main panel in a studio that controls all audio, adjusts volume, routes sound, and mixes microphones and music.

AoIP

Audio over IP; used in modern systems for digital audio transfer.

Gooseneck microphone

A flexible microphone used by broadcasters.

Uni-directional

A microphone that picks up sound from one direction, commonly used as an announcer mic.

Bi-directional

A microphone that picks up sound from two directions, commonly used for interviews.

Omni-directional

A microphone that picks up sound from all directions, commonly used for group discussions.

Amplifier Power Button

Turns the device or system on or off.

USB port

Used to connect external media to the amplifier.

Volume control

Adjusts the overall sound level or loudness.

Mic volume

Part of the amplifier that controls microphone loudness.

Echo

An amplifier feature that adds an echo effect to the sound.

Mic input socket

The connection point where microphones are plugged in.

Balance control

Adjusts the sound level between the left and right speakers.

Tone control

Adjusts the sound quality such as bass, mid, and treble.

Input selector

Chooses the audio source, such as CD or AUX.

Input terminal

Audio input ports located on the rear panel of the equipment.

Speaker terminal

Rear panel connection point for speakers.

Power cable connector

The input for the power supply on the rear panel.