VISSONIC ELECTRONICS LIMITED
VISSONIC ELECTRONICS LIMITED WWW.VISSONIC.COM Digital DSP Conference system manufacturer
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Embedded Conference Mircrophone for Conference System CAT5 Digital Flush-mounting
Discussion Delegate Unit
VIS-DCD-F
Functions
1. Compliance with IEC 60914, GBT 15381-94
2. The unique AUDIO-LINK digital ring network technology achieve full-digital signal transmission and processing, completely avoid the RF interference from cell phone or similar devices.
3. One CAT5e cable to transmit 64 channel audio and other signals
4. High fidelity sound by zero loss audio transmit technology, 48K audio sampling frequency, 20Hz~20KHz response frequency
5. "Hand-in-Hand-Loop-Network" connection makes the system always working perfectly no matter changing discussion unit or having any malfunctioned units
6. This system is assigned to each unit independently ID to avoid duplicate ID conflict
7. Support AGC(Automatic Gain Control)/AFC(Adaptive Feedback Cancellation)/ANC(Active Noise Control )/Mix (Auto-Mix) technology
8. Hot-swap for any system unit, and the controller has auto-recovery function
9. Precise directional microphone head with anti-wind microphone foam cover, with two-color LED indicator
10. Button for MIC ON/OFF, Priority & Apply Answer button for chairman unit
11. Without using PC software, our conference controller still owns following settings:
12. Limit on the number of speaking persons: By Setting the number of active units at the same time(Number is 1/2/4/6/ units)
13. Discussion modes:
"OPEN" Free for all, limited by the active units setting by controller, "OVERRIDE" First in First out,"FREE" Turn on the MIC freely up the max. quantity, "APPLY" To apply then to speak
14. Chairman unit has priority to close all other units or mute them temporarily
15. Chairman unit can answer the application for speaking from delegate
16. Support simultaneous language interpretation by connected to the channel selector
17. Work with our HD camera and video matrix switcher, it applies camera auto tracking function
Technical Parameters
| Button | Touchable interface, no physical buttons |
| Sound Pickup | heart type capacitance |
| Sensitivity | -46 dBV / Pa |
| Maximum power consumption | 2.0W |
| Directivity | 0 ° / 180 °> 20 dB (1 kHz) |
| Headphone load | 16Ω |
| Headphone volume | 10mW |
| Headphone jack | 3.5mm stereo |
| Input impedance | 2kΩ |
| SNR | 70dB |
| Frequency response | 20 ~ 20000Hz |
| Equivalent noise | 20dBA (SPL) |
| Main material | Aluminum |
| The maximum sound pressure | 125dB (THD <3%) |
| Weight | 0.6kg (with microphone) |
| Dimension | 100W × 40H× 65H mm (without microphone) |
Control & Indicators
Each unit with two-color LED indicator on microphone, red for speaking, green means need acceptance from chairman to speak
MIC ON/OFF buttons with indicating backlight
Chairman unit with priority button and consent button for the delegates
Interfaces
1xPluggable microphone base
1x 3.5mm stereo headphone jack on front
2x RJ45 connectors for daisy chain
RJ11 socket for VIS-DVU-FS
3.5mm socket,RJ11 for VIS-DCC-FS/ VIS-DCD-FS
1x3.5mm speaker socket for VIS-SPK-F