Beamforming microphone array – ClearOne Converge Pro User Manual
Page 361
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BEAMFORMING MICROPHONE ARRAY
Audio Performance:
Acoustic Characteristics
•
24 microphones
•
Auto voice tracking
•
Polar Pattern: Custom
•
Frequency Response: 150Hz - 16kHz
•
Signal to Noise Ratio: >70 dB
•
AEC Tail time: 128 ms
•
Noise Cancellation: 6 - 15 dB adjustable
Auto Mixer Parameters
•
Number of Open Microphones (NOM)
•
First mic priority mode
•
Last mic mode
•
Maximum number of mics mode
•
Ambient level
•
Gate threshold adjust
•
Off attenuation adjust
•
Hold time
•
Decay Rate
Matrix Mixing Parameters
•
1 Channel In
•
18 Expansion Bus in/out
Beamforming Mic Array Configurations
•
Echo cancellation on/off
•
Noise cancellation on/off
•
Filters:
»
All Pass
»
Low Pass
»
High Pass
»
Notch
»
PEQ
•
ALC on/off
•
Gain adjust
•
Mute on/off
•
Auto gate/manual gate
Power:
•
PoE IEEE 802.3AF-2003
•
CAT-5 cable or higher
•
6 watts average power consumption
Expansion Bus In/Out:
•
Proprietary Network
•
RJ-45 (2)
•
Category 5 twisted-pair cable for 200 feet maximum
cable length between any two CONVERGE Pro
devices
USB:
•
Not currently supported - for future use
RS232:
•
Commands through CONVERGE Pro
Configuration & Administration Software:
•
CONVERGE Console (4.X)
Weight:
•
4.4 lbs. (2.0 Kg.)
Mechanical:
•
30.0” x 1.00” x 5.75” (WxHxD)
(762mm x 25.4mm x 146mm)
Mounting:
•
Ceiling mount kit with 12” spanner
•
Ceiling mount kit with 24” spanner
Environmental:
•
Operating Temperature -
14° F/-10° C to 122° F/50° C ambient temperature
Installation:
•
Optimum Mounting Height: About 8 - 10 foot ceiling
•
Optimum Coverage Distance:
»
About 6 - 10 traditional cardioid mics
»
About 2 - 3 ClearOne ceiling mic array
»
About 8 - 10 foot radius
Supported CONVERGE Pro Units*
•
CONVERGE Pro 840T
•
CONVERGE Pro 880
•
CONVERGE Pro 880T
•
CONVERGE Pro 880TA
*Maximum 3 Beamforming microphone array per
each supported CONVERGE Pro unit and maximum
16 units
Part Numbers:
910-001-003: Beamforming Microphone Array
910-001-004: PoE Power Supply & Cables Kit
for BFM Array
910-001-005-12: Ceiling Mount kit with 12 inch spanner
for BFM Array
910-001-005-24: Ceiling Mount kit with 24 inch spanner
for BFM Array