Audio Technology

Microphone Polar Patterns

Microphone Polar Patterns

Omnidirectional Shotgun

Microphone Polar Patterns (cont)

Cardiode Supercardioide

Microphone Polar Patterns (cont)

Bidirectional (Figure of 8) Hypercardioide

Pop Filters

Pop filters or pop screens are used in controlled studio environments to minimize plosives when recording.

TRS (Tip, Ring, Sleeve) Connectors

A phone connector (TRS) also called an audio jack, phone plug, jack plug, stereo plug, mini-jack, or mini-stereo.

2.5 mm mono (TS), 3.5 mm mono (TS) and stereo (TRS) phone connectors, as well as 6.35 mm (1⁄4 in) (TRS) phone connectors

TRS Audio Connector

1. Sleeve: usually ground2. Ring: Right-hand channel for stereo signals, negative polarity for balanced mono signals, power supply for power-using mono signal sources3. Tip: Left-hand channel for stereo signals, positive polarity for balanced mono signals, signal line for unbalanced mono signals4. Insulating rings

XLR Connector

RCA Connectors

Audio Mixer

Balanced Audio

Parabolic Microphone