D7111

DSPPA D7111 - digital central unit of the IP conference system

DSPPA D7111 is a professional digital central unit of the IP conference system, designed for advanced conference installations in corporate, administrative, educational, governmental, and congress center facilities. The device utilizes ARM + FPGA + DSP architecture and network digital transmission, combining conference management functions with high-quality sound processing and distribution.

The central unit integrates discussion management, participant registration, voting, evaluation, messaging, and audio zone management functions. Thanks to its fully digital, distributed architecture, it ensures high sound transmission quality, low latency, and the ability to flexibly expand the system with both wired and wireless conference units.

Functionality

• fully digital, distributed conference system based on ARM + FPGA + DSP architecture
• audio and control transmission via IP network
• support for discussion, participant registration, voting, evaluation, and messaging functions
• support for conference services and multi-zone audio distribution
• 20 independent audio zone outputs and 1 mixing output
• elimination of acoustic feedback
• 12-band EQ correction
• independent signal level and delay adjustment
• Gain Sharing function on the mixing output
• individual signal output from wired and wireless conference units by device ID
• support for individual recording of participants and collaboration with speech transcription systems
• support for a minimum of 20 simultaneous translation channels
• flexible routing of audio sources to any matrix outputs
• transmission of uncompressed audio at 48kHz
• transmission delay below 5ms
• support for wired and wireless conference units in one installation
• support for up to 6 chair units and 32 VIP units
• system expansion to 4096 wired conference units via PoE switches
• support for up to 300 wireless conference units via WiFi access points
• simultaneous operation of up to 24 wired conference units or up to 6 wireless conference units
• mixed operation supporting up to 18 wired and 6 wireless active participants simultaneously
• automatic switching between the main and backup unit
• individual and collective recording of meetings
• recording storage on USB memory or via PC software
• support for simultaneous translations into up to 6 languages
• single or dual conference room mode
• control and configuration from a PC and via web browser
• support for automatic tracking of conference cameras
• camera control via RS422 interface
• integration with central control systems via RS232
• support for C/S and B/S architecture
• configuration of audio matrix parameters via web interface
• memory for up to 10 system scenes
• monitoring the status of wireless conference units
• remote shutdown of all or selected wireless units
• five conference operation modes: FIFO, normal, voice, free, and registration
• automatic and manual device detection
• speech time measuring and countdown function

Features

• DSP + FPGA processors
• 20 audio zone outputs and 1 mixing output
• stereo RCA line input
• stereo RCA alarm input
• 2 balanced XLR outputs
• 20 channels of balanced audio outputs
• LAN1 and LAN2 ports with 100Mb/s transmission and PoE +48V power supply
• independent power control +48V for LAN and WiFi ports
• 3 expansion slots for optional modules
• support for optional 2K and 4K matrix modules, UHF transmission, USB, central control, and audio inputs
• 4.3" color LCD touchscreen
• 2U rack mount case for 19" racks
• enhanced surge and static protection
• resistance to contact discharges of 4kV and air discharges of 8kV
• UHF frequency: 675MHz–679MHz
• frequency response: 20Hz–20kHz
• signal-to-noise ratio: ≥80dB
• total harmonic distortion: ≤0.3%
• LINE input sensitivity: 250mV
• ALARM input sensitivity: 250mV
• LINE output level: 1000mV
• zone output level: 1000mV
• maximum output power of LAN1, LAN2, and WiFi ports: 75W per port
• power supply: AC220V/50Hz/350W
• dimensions: 483x390x88mm
• weight: 6.5kg

DSPPA D7111 serves as an advanced management center for a professional IP conference system. Its extensive sound processing and distribution capabilities, support for simultaneous translations, voting functions, recording, and integration with control systems make it a suitable solution for modern conference rooms, public administration facilities, universities, and large AV installations requiring flexibility and scalability.