This course provides a basic understanding of audio for teleconferencing, and an overview of ClearOne Professional Audio Conferencing Basics including Echo Cancellation and Automatic Mic-Mixing.

Number of Attempt
0
Passing Number
75%
Questions
Question
What does natural communication mean in audio conferencing?
Options
a. The ability to achieve across distance what you could in a face-to-face conversation
b. Highly interactive conversations with remote participants
c. Hearing and being heard clearly
d. All of the above
Correct Answer
4
Question
What is the most critical element of a video or web conference?
Options
a. The ability to share presentations
b. Peripheral devices
c. Clear, intelligible audio
d. High resolution images
Correct Answer
3
Question
What can you do to reduce reflections and decrease reverberation?
Options
a. Install carpet
b. Install acoustic wall panels
c. Hang curtains on the windows
d. All of the above
Correct Answer
4
Question
If you didn't have noise cancellation, what could you do to improve signal to noise ratio?
Options
a. Mount microphones on the ceiling.
b. Move microphones closer to the talkers.
c. Add echo cancellation.
d. All of the above.
Correct Answer
2
Question
With full-duplex audio conferencing, which of the following are true?
Options
a. Participants can interact naturally, like face-to-face conversations
b. No need for push to talk buttons on a phone or microphone
c. Requires echo cancellation
d. All of the above
Correct Answer
4
Question
When will the automatic microphone mixer gate a microphone on?
Options
a. When someone manually moves the sliders.
b. When the audio level exceeds the ambient level by the specified number decibels
c. When the ambient level drops
d. When the person speaking pauses for two seconds
Correct Answer
2
Question
What is echo cancellation?
Options
a. The sample that is sent to the AEC.
b. Hearing yourself speak
c. The process of preventing audio that came from the far-end from returning to the far-end
d. The process of preventing audio that came from the near-end from returning to the far-end
Correct Answer
3
Question
What describes half-duplex operation?
Options
a. Two-way, effective conversation
b. Both loudspeaker and microphone are active simultaneously
c. Both loudspeaker and microphone are turned off.
d. Like a CB radio with one person speaking at a time
Correct Answer
4
Number of Questions
5