This course provides a basic understanding of audio for teleconferencing, and an overview of ClearOne Professional Audio Conferencing products and their features.

Number of Attempt
0
Passing Number
80%
Course Relation
DSP Mixers - INTERACT Pro and CONVERGE Pro (1)
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
How many line-level outputs does the Converge Pro 880 have?
Options
a. 12
b. None
c. 8
d. 64
Correct Answer
1
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
What are the four major functions of a Converge Pro 880?
Options
a. Auto mixer, telephone interface, audio processing, matrix routing
b. Auto mixer, echo cancellation, audio processing, matrix routing
c. Auto mixer, audio processing, matrix routing, amplifier
d. Amplifier, echo cancellation, auto mixer, matrix routing
Correct Answer
2
Question
If you didn't have noise cancellation, what could you do to improve signal to noise ratio?
Options
a. Mount to microphones on the ceiling.
b. Move microphones closer to the talkers.
c. Add echo cancellation.
d. All of the above.
Correct Answer
2
Question
What is the maximum number of microphones an Interact AT will support?
Options
a. 4
b. 1
c. 9
d. 7
e. 2
Correct Answer
3
Question
Which product(s) include Stereo AEC?
Options
a. Converge Pro 880TA
b. Interact AT
c. Converge Pro Beamforming Microphone Array
d. Interact Pro
e. Both C & D
f. None of the above
Correct Answer
5
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
What is the difference between the SR 1212 and the Converge Pro 880?
Options
a. The SR 1212 does not perform automatic microphoe mixing.
b. The SR 1212 has an internal amplifer.
c. The SR 1212 does not have echo cancellation.
d. The 880 does not have echo cancellation.
Correct Answer
3
Question
When the Beamforming Microphone Array is configured for ceiling mode, how many audio beams does it have available?
Options
a. 24
b. 5
c. 16
d. 1
Correct Answer
2
Question
A TH20 can act as the host device for a Beamforming Microphone Array.
Options
True
False
Correct Answer
2
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 of decibels
c. When the ambient level drops
d. When the person speaking pauses for two seconds
Correct Answer
2
Question
You need an audio system with conferencing for a new training room. The training room will need a wireless microphone, a microphone at a lectern and nine student microphones. The system needs stereo speakers for playback of DVD audio and overhead speakers for voice reinforcement. There are a number of different room configurations setups and the audio system needs to be quickly re-configured for each setup with a single button push on an audiovisual control system. Which type of system should be selected for this room?
Options
a. Converge Pro
b. Interact AT
c. Interact Pro
d. MAX
Correct Answer
1
Question
Which ClearOne product line provides the top-of-the line audio solution?
Options
a. Chat
b. Converge Pro
c. MAX
d. Interact AT
Correct Answer
2
Question
A large quad-combinable conference room needs 22 microphones and 16 speaker zones. When set up as four separate rooms, each room needs to be independently capable of audio conferencing. Videoconferencing will only be used when the room is opened up as one large space.

Which product(s) would you recommend?
Options
a. Six 840Ts
b. Three 880Ts, One TH20
c. Two 880s, one 840T, three TH20s
d. Three SR 1212s
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. A CB radio with one person speaking at a time
Correct Answer
4
Question
What is the maximum number of microphones that can be in a single WS800 microphone system?
Options
a. 24
b. 8
c. 12
d. 32
Correct Answer
4
Question
Which component allows you to route, distribute and mix audio?
Options
a. Telephone Interface
b. Audio Processor
c. Auto Mic Mixer
d. Matrix Mixer
Correct Answer
4
Certificate Relation
Professional Audio Conferencing