ClearOne PC User Manual

AccuMic™|PC
Desktop Microphone
An echo-cancelling microphone for desktop and small room conferencing
applications. AccuMic PC features ClearOne’s industry-leading professional audio
technologies. It connects directly to personal computers to provide affordable,
high-quality audio for web-based video/audio calls and web conferences.
CLEAR, FULL SOUND
FOR PC-BASED
CONFERENCING
ACCUMIC PC APPLICATIONS
Personal Workstation
Executive Office
Small Office/Home Office
Small Conference Room
Medium Conference Room
(with 2 AccuMic PCs)
ACCUMIC PC ADVANTAGES
Superior Audio Performance
+ Distributed Echo Cancellation
®
effectively eliminates echo
+ Noise cancellation removes background noises from fans or HVAC systems
+ Wideband digital audio (50 Hz-7 kHz) enhances audio quality – matches video
conferencing system bandwidth
+ Full-duplex sound enables participants to speak and listen at the same time
without cutting in and out
+ First-mic priority eliminates hollow “tunnel” sound by activating only the
microphone closest to the person speaking
+ Three microphones provide 360° audio pickup
+ Adaptive ambient mode prevents room noise from activating the microphone
and adapts to changing noise levels
+ PA adaptive mode prevents loudspeaker audio from activating microphones to
prevent feedback
Ease of Use
+ Plug and play design – simply plug into PC sound card and use
+ Works with PC or Macintosh for dramatically improved audio
+ Hands-free operation of desktop microphone eliminates the need to use
handset during long conference calls
+ Mute microphone with the push of a button for private discussions during
a conference call
Expandability
+ Link an additional AccuMic PC for expanded coverage in larger rooms
CONFERENCING ACCESSORIES
DATA SHEET
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ClearOne PC Specifications

Audio Technologies

echo cancellation tail time	130 ms x 3
noise cancellation attenuation	6 dB
frequency response	50 Hz–7 kHz

Microphone

microphone elements	3 elements, each with 120-degree pickup range
microphone out nominal level	-23 dBu
microphone out impedance	100 Ohms

Speaker Reference

speaker reference in nominal level	-23 dBu
speaker reference in impedance	200 Ohms
speaker reference out nominal level	-23 dBu

Cable

cable length	20’ (6.1 m)
cable type	10-pin mini-DIN to four-way breakout cable adapter
optional extension mic kit	10’ (3 m) extension cable

Power

power voltage	12 VDC
power current	2.5 A
power consumption	25 W

Operating Environment

operating temperature	41-104° F (5-40° C)
operating humidity	50-80%
storage temperature	41-158° F (5-70° C)

Weight and Dimensions

dimensions (L x W x H)	8” x 6.5” x 1” (20.3 x 16.5 x 2.5 cm)
weight	1 lb (.45 kg)
a/d conversion	24 bit, 16 kHz