1. Audio Technology Microphone Polar Patterns

2. OmnidirectionalShotgun

3. Microphone Polar Patterns (cont) CardiodeSupercardioide

4. Microphone Polar Patterns (cont) Bidirectional (Figure of 8) Hypercardioide

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

7. 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

8. TRS Audio Connector 1. Sleeve: usually ground 2. Ring: Right-hand channel for stereo signals, negative polarity for balanced mono signals, power supply for power- using mono signal sources 3. Tip: Left-hand channel for stereo signals, positive polarity for balanced mono signals, signal line for unbalanced mono signals 4. Insulating rings

9. XLR Connector

10. RCA Connectors

11. Audio Mixer

13. Balanced Audio

14. Parabolic Microphone