Vissonic Full Digital Networked Conference Main Unit.

Model:
VIS-DCP2000

• The unique AUDIO-LINK digital ring network technology achieve full-digital signal transmission
  and processing
• One CAT5e cable to transmit up 64 channels audio and other signals.
• All microphone units support audio, ID independent output. Working with voice recognition system to achieve voice role separation.
• High-fidelity sound quality by lossless audio transmission technology, 48K audio sampling rate
  and 20Hz ~ 20KHz frequency response
• A single conference controller can realize the independent control and merging of 4 conference rooms, can handle the cascade of multiple conference controllers to realize the merging and separation of larger conference rooms (Optional). Ability to group and control 4 independent microphone line.
• “Hand-in-Hand-Loop-Network” connection makes the system always working perfectly no matter changing discussion unit or having any malfunctioned units
• The sensitivity of the unit microphone and 8 segment equalizer EQ adjusted independently.
• Conference controller can output 16 segment equalized EQ to achieve sound field adjustment; pressure limit, which can recognize the noise gate passed by human voice. AGC automatic volume gain control; AFC automatic feedback suppression and auto-mix technology.
• Sound output by separated zones function, each zone is automatically adjusted according to the volume of the position of the microphone, achieve longer distances pickup without whistle.
• Echo cancellation, remote two-way real-time call with another conference controller or another
  third-party video conferencing terminal.