D7111 Digital Conference System Solution for Multiple Meeting Scenarios

I. System Overview

This solution adopts an ARM + FPGA + DSP fully digital distributed conference system architecture, integrating high-performance audio processing, network-based digital transmission and intelligent management functions. It provides a comprehensive professional conference solution for modern multifunctional meeting rooms, international convention centers, parliamentary buildings and educational training institutions. Its modular design supports large-scale expansion and flexibly adapts to diverse requirements, from small and medium-sized meeting rooms to ultra-large conference venues.

Core Advantages

Triple-Processing Architecture: ARM (system control) + FPGA (high-speed signal processing) + DSP (professional audio processing), ensuring high performance, ultra-low latency, and exceptional system reliability.

Fully Digital Transmission: Based on the TCP/IP network protocol, supporting both C/S (Client/Server) and B/S (Browser/Server) architectures for convenient integration and centralized management.

Ultra-Large Capacity: Supports up to 4,096 wired units and 300 wireless units in hybrid deployment, meeting the needs of large-scale conference applications.

High-Fidelity Audio Quality: 48 kHz sampling rate with uncompressed audio transmission and transmission latency of less than 5 ms.

Dual-System Redundancy: Automatic main/backup switching combined with ring-based dual-link redundancy ensures uninterrupted and stable conference operation.

II.D7111 Dual Conference Room Solution

Solution Configuration Description

Conference Room Scale and Configuration:

Conference Room A (Main Conference Room / Discussion Room 1):

Size: 120–200 m²
Conference Unit Configuration: 1 Chairman Unit + 23 Delegate Units (including 2 VIP Units)
Sound Reinforcement System: Independently configured mixer, amplifier, and speakers, connected to the “Zone 1” output channel of the main unit.

Conference Room B (Sub-Conference Room / Discussion Room 2):

Size: 120–200 m²
Conference Unit Configuration: 1 Chairman Unit + 23 Delegate Units (including 1 VIP Unit)
Sound Reinforcement System: Independently configured mixer, amplifier, and speakers, connected to the “Zone 2” output channel of the main unit.

Summary of Core System Configuration and Implementation:

Host Mode: “Dual Conference Room Mode” is enabled. The host’s internal audio processing and control logic operate independently, serving Conference Room A and Conference Room B separately.
Network Architecture: High-performance PoE switches are used to connect the conference units of Conference Room A and B via separate VLANs, ensuring data isolation.
Audio Processing and Output:
Audio signals from Conference Room A are output to Channel 1 (Zone 1) for its sound reinforcement system.
Audio signals from Conference Room B are output to Channel 2 (Zone 2) for its sound reinforcement system.
Each sound reinforcement system has independent volume, EQ, and delay adjustments, without affecting the other.
Functional Applications:
Both conference rooms can independently manage check-in, voting, and speaking rights.
Supports “Discussion Function,” allowing both conference rooms to conduct independent group discussions and record audio.
Key Advantages:
Dual Use with One Host: Reduces equipment procurement and space costs.
Independent Management: Administrators can operate simultaneously without cross-permission conflicts.
High-Fidelity Sound Reinforcement: 20-zone matrix ensures independent, high-quality audio for each room.
Flexible Expansion: Additional conference rooms or devices can be easily added.

III. D7111 Application Solution for International Conferences

System Configuration Description

Conference Room Scale and Configuration:

Size: Large venue accommodating approximately 200–300 participants
Layout: Includes a Chairman, Delegate Seating, Interpretation Booth, and Technical Control Area

Conference Unit Configuration:

Chairman/VIP Units: 6 Chairman Units + 32 VIP Units (placed at the Chairman and key seats)
Delegate Units: Approximately 90 wired Delegate Units (daisy-chain connection)
Interpreter Units: 6 interpreter units with corresponding 6 language channels, providing wired headset access for participants
Video System: Equipped with a “4-in-2-out seamless video matrix module” to integrate multiple camera signals, perform seamless switching, and output to large displays

Core System Configuration and Implementation:

Interpretation and Simultaneous Translation System:
Interpreters listen to the original audio channel through the host’s interpretation function and translate it into six language channels (CH1–CH6). The system supports ≥20 simultaneous translation channels, allowing independent recording for each language. Audio signals can also be output to infrared transmitters or wireless audio systems for participant listening.
Audio Matrix & Zone Sound Reinforcement
The built-in audio matrix handles mixing and zonal management for the venue.
Video Linkage & Camera Tracking
The integrated camera tracking system controls cameras via RS422. When a conference unit speaks, the system automatically calls presets to quickly locate the speaker. The video matrix module supports 2–4 camera inputs for seamless switching, enhancing the visual experience.
Main-Backup Switching:
Supports automatic switching between the main and backup units. In the event of a failure of the primary unit, the system automatically switches to the backup unit, enhancing system reliability.