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Digital Conference System (Controlled by D-3001)
1
1. Introduction
1.1 Introduction to Digital Conference System
By using the latest fully digital technologies, network techniques and the multi -channel
digital audio technology, the PTN Digital Conference System revolutionizes conference
systems technology and takes the leadership in digital conference system solutions .
The PTN Digital Conference System is a table applied system integrated with central
D-3001, discussion unit (including chairman unit and discussion unit), interpretation unit
and application software.
The discussion unit integrates multi built-in functions such as discussion, 3-key-volting,
IC-Card sign-in and key-press sign-in, and with a big LED screen to show the present
status. Furthermore, this unit offers with a built-in speaker and a headphone with
manually volume adjustment inside the unit.
With a simple installation way, the discussion unit is able to be applied in various
conference occasions and provides a perfect efficient conference system solution for
users.
1.2 Technology
The system uses digital signal processing and transmission technology. The high quality
audio signal, control signal and other signal between different devices are transmitted
through twisted pair.
1.3 Features
1.3.1 D-3001
Built-in central D-3001 for integrated data processing and control.
Support audio sampling rate to 32 k, the frequency response of each channel can
reach at 20Hz ~ 20KHz.
Limited to 6 m icrophone inputs at one time for discussion units.
Support various occasions as its multiple conference modes.
Supply power to other units by the D-3001 instead of using batteries.
LCD screen to show system menus.
Support audio recording by using PC software.
Controllable via RS232 & USB.
Support hot plug.
Easy to store and keep by installed in a standard 19 inches rack.
1.3.2 Discussion Unit
Digital audio for good sound quality.
3 keys and 3 ways for voting.
Voting: Yes/No/Abstention
LCD screen to show the present working status.
Built-in high-fidelity speaker with good audio quality and automatically muting