Conference Call Audio & Visual Setup for Conference Calls

Question 1

What is the recommended microphone type for minimizing background noise during a solo conference call?

Accepted Answer

Cardioid directional microphone

Answer

A cardioid microphone captures sound primarily from the front, rejecting ambient noise from the sides and rear.

Question 2

Why should participants avoid sitting with a bright window directly behind them during a video conference?

Accepted Answer

It creates a silhouette effect, making their face appear dark on camera

Answer

Back-lighting causes the camera to expose for the bright background, turning the speaker's face into a dark, unreadable silhouette.

Question 3

What is the ideal camera height for a professional video conference appearance?

Accepted Answer

At eye level

Answer

Positioning the camera at eye level creates a natural, direct-eye-contact appearance most similar to an in-person conversation.

Question 4

What does PTZ stand for in conference room camera systems?

Accepted Answer

Pan, Tilt, Zoom

Answer

PTZ cameras can pan left/right, tilt up/down, and zoom in/out, allowing remote-controlled tracking of speakers in a conference room.

Question 5

Which of the following best reduces echo in a conference room with hard surfaces?

Accepted Answer

Adding soft furnishings and acoustic panels

Answer

Sound-absorbing materials like carpet, curtains, and acoustic foam dampen reflections that cause echo in hard-walled rooms.

Conference Call Practice Test