Prestel VCSMA8C User manual

QUICK START GUIDE
Prestel VCSMA8C
Digital Array Microphone

1
Digital Array Microphone Quick Start Guide
1Packing List
Name Quantity Name Quantity
Microphone 1 Remote Control (optional) 1
USB Cable 1 Mounting Bracket (optional) 1
Audio Cable 1 Quick Start Guide 1
Network Cable 1 - -
2Appearance and Interface
No. Interface Function
1 Up Up cascade network interface, cascading up
devices through PoE network cable
2 USB USB audio interface for connecting to the USB host
or powering the microphone
3 M/S Disable
4 Down
Down cascade network interface, cascading down
devices through PoE network cable
5 Aux2
Audio input and output interface, sound collected
by the local microphone can be output to the
terminal or recording host
6 Aux1
Audio input and output interface, the audio
reference signal sent from the remote classroom
can be output to the local player
3Product Features
Digital Array Microphone, Long Distance Voice Pickup
High SNR ring microphone array design, clear pickup from long distance. Let the
speaker move around more freely in the room and get rid of the constraints.
Blind Beamforming, Automatic Alignment to Speaker
Blind beamforming, precise positioning, adaptive sound field environment can
achieve voice enhancement and better anti-interference ability.
Smart Audio Algorithms, Clear Natural Sound
Built-in powerful audio processing unit, ultra-low signal processing delay;
Adaptive fast convergence algorithm, voice intelligent tracking, intelligent noise
reduction, echo cancellation, automatic gain, de-reverberation and other
advanced technologies, double-talk without suppression, you can easily listen
in noisy environments. For ordinary users, there is no need for professional
tuning, and it can be used for regular conference applications when it is turned
on. For enthusiast users, you can also open the EQ interface and enter the
professional tuner mode for personalized high-end tuning.
PoE Cascading, Even Coverage of Conference Room Pickup
Flexible setting of master and slave devices, multiple cascades through PoE
network cables, distributed pickup and interaction, evenly covering medium
and large conference room spaces.
Standard Interface, Plug and Play
Equipped with standard USB and Aux audio interfaces, the device is plug and
play, and can meet the dual-mode application of digital and analog audio.
Desktop/Ceiling/Wall Mounting, Simple and Flexible Deployment
Support desktop/ceiling/wall mounting, flexible and fast deployment, and
reduce operation and maintenance costs.
4Product Specifications
Audio Features
Microphone Type Omnidirectional Microphone
Array Microphone Built-in 6 mics to form ring array microphone,
360° omnidirectional pickup
Sensitivity -38 dBFS
Signal Noise to Ratio 65 dB(A)
Frequency Response 50Hz ~ 16kHz
Pickup Range 3m
Automatic Echo
Cancellation (AEC) Support
Automatic Noise
Suppression (ANS) Support
Automatic Gain Control
(AGC) Support
Hardware Interfaces
Network Interface
1 x Up: Up cascade network interface
1 x Down: Down cascade network interface
USB Interface 1 x USB: USB audio interface
Audio Interface
1 x Aux1: 3.5mm audio input and output interface
1 x Aux2: 3.5mm audio input and output interface
General Specifications
Cascade Method PoE network cable
Power Supply PoE cascade, 48V, support IEEE 802.3at
Dimension Φ170mm x H 40mm
Net Weight About 0.4Kg
Product specifications are subject to change without notice.
Up USB M S
Aux1 Aux2 Down
1
2
3
4
5
6
Note

2
5Product Installation
The installation diagram is for reference only. The bracket is not standard. Please refer to the actual product for the packing accessories.
6Network Application
6.1 Single Mode
Drill into the ceiling Insert expansion bolts into holes Attach the
Lock the screw Install microphone Done
Ceiling-Mount Wall-Mount
Drill into the wall Insert expansion bolts into holes Attach the mount bracket
Lock the screw Install microphone Done
ceiling bracket
Note
USB
Power + Audio
PCMicrophoneSPK-OUT
Aux1-Out USB
Power + Audio
PC Microphone
Aux1-Out
SPK-OUT
USB Connection
Net
SPK-OUT
PoE
Power + Audio
Termin alMicrophone
PoE
Power + Audio
Termin al MicrophoneSPK-OUT
P
oE Connection
Net
Aux2-Out
Aux2-In
Aux2-Out
Aux2-In
Microphone
USB/PoE Power
Aux1-Out
Microphone
USB/PoE Power
Aux1-Out
SPK-OUT SPK-OUT
Analog 3.5mm Connection
Interactive Terminal
Recording Host
Interactive Terminal
Recording Host
Net

3
6.2 Cascade Mode
P
oE Connection
PoE
Power + Audio
Power + Audio
Power + Audio
PoE
PoE Power + Audi
o
PoE
PoE
Power + Aud io
PoE
Power + Aud io
Terminal TerminalMicrophone 1
Microphone 2 Microphone 3
Microphone 1
Microphone 2Microphone 3
SPK-OUT SPK-OUT
Net
USB Connection
PoE Power
USB
Audio
SPK-OUT
Aux1-Out USB
Audio
SPK-OUT
Aux1-Out
PC PCMicrophone 1 Microphone 1
Power + Aud ioPoE Power + AudioPoE
PoE Power
Microphone 2
Power + Audio
PoE
Microphone 3 Microphone 3
Power +Audio
PoE
Microphone 2
Net
Analog 3.5mm Connection
Aux2-Out
Aux2-In
Aux2-Out
Aux2-In
PoE Power
SPK-OUT
Aux1-Out
SPK-OUT
Aux1-Out
Microphone 1 Microphone 1
Power + AudioPoE Power + AudioPoE
PoE Power
Microphone 2
Powe r + Aud io
PoE
Microphone 3 Microphone 3
Power + Audio
PoE
Microphone 2
Interactive Terminal
Recording Host
Interactive Terminal
Recording Host
Net