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Solution

System Introduction

KV-Multimedia conference system

The multimedia function conference system includes the design of conference, audio, video, camera, audio and video recording, and remote conference systems for the conference room, realizing the multimedia conference function of the conference room, meeting the requirements of simple and smooth conference process, realistic and vivid auditory effect, clear and comfortable video display, intelligent camera tracking, complete meeting records, convenient and fast remote conference, etc.

The entire system is roughly divided into high-definition display subsystem, audio amplification subsystem, speech system, signal switching subsystem, and central control subsystem. It consists of large screen display, plasma display, audio, video surveillance recording, multimedia audio and video signal source matrix switching, and central integrated control.

Research and Development Background

Functional division

Based on user needs, we have designed the multimedia conference function of the conference room based on years of design experience, meeting the requirements of simple and smooth conference processes, realistic and vivid auditory effects, clear and comfortable video display, intelligent camera tracking, media audio and video signal source matrix switching, and central integrated control

Sound amplification system

The conference room covers an area of approximately xx square meters, measuring x meters in length and x meters in width. According to the conference room area, the sound system is designed as follows:

1. Design two 300W main speakers and four 200W auxiliary speakers for venue sound reinforcement, with a sound pressure level that meets the national first-class standard, to meet the needs of on-site conference sound reinforcement

2. The power of the amplifier is strictly configured according to 1.3~1.5 times the power of the speaker, with 2 main speakers (driven by 1 2 * 400W amplifier) and 4 auxiliary speakers (driven by 2 2 2 * 300W amplifiers)

3. 1 mixing console, 1 audio processor, 1 feedback suppressor, and 1 equalizer each

4. Set up one set of wireless microphones for conference hosting and mobile speaking

Discuss the speech system

The conference room is designed with a digital conference speaking system, and the speaking units are connected by hand. According to the layout and requirements of the conference room, the design is as follows:

1. 1 digital conference host (digital Ethernet transmission conference host)

2. Chairman's speech unit 1 (independent feedback suppression function; built-in independent adjustable DSP chip; can conduct discussions and voting, can sign in through the panel)

3. 5 representative speaking units (independent feedback suppression function; built-in independent adjustable DSP chip; can conduct discussions and voting, can sign in through the panel)

4. The conference extension cable can be connected to a network cable

Central Control System

Through the central control system, centralized control of the entire conference system can be achieved. Clicking on the touch screen allows for quick switching of various video signals, camera system control, large screen projection system display, and a series of functions such as curtain retraction. The system configuration is as follows:

1. One central control host is responsible for the signaling control of the entire venue

2. 1 set of control software, installed on the touch screen

3. One power controller to control the power on and off of the equipment

4. 1 touch screen, mobile control terminal

5. One wireless router, an interactive bridge between the host and the touch screen

Signal switching system

By using a signal switching system, the entire conference system can switch and display video signals. When there are multiple video sources or display devices in the venue, a matrix is required. The system configuration is as follows:

1. One mixed matrix chassis with various video interface input/output cards inserted

2. 1 4-channel HDMI input card

3. 1 4-channel HDMI output card

4. 1 4-channel VGA input card

5. 1 4-channel VGA output card

6. 3 pairs of HDMI signal extenders

Display System

In meetings, transmitting and exchanging information are very important functions, and projection systems are often used for presentations, even for playing images and animations. The most basic display device is a projection slide; Then there are televisions, monitors, projection televisions, etc., which can play pre recorded program tapes and images directly from cameras, and have become indispensable components of efficient systems

system function

Features of Sound Reinforcement System 1

AI voiceprint learning

Adopting AI wide learning algorithm to effectively eliminate useless noise signals in the system and preserve clear and clean human voice

High precision DSP

ADI's fourth generation SHARC floating-point DSP, with 3A audio processing technology, provides more operating space and adapts to more conference environments

Data security

Pre load multiple scene modes, download and save, prevent data loss, and call at any time


Features of Sound Reinforcement System 2

System configuration

The basic configuration of the system includes 12 input and 12 output signal channels, which can be expanded to a maximum of 16 devices stacked together, reaching 192 signal channels

Processing technology

Based on AES/EBJ transmission and 24 bit DSP processing technology, providing high-quality and clean sound environment

Signal backup

Adopting analog/digital signal backup, switching freely to ensure the normal operation of the system

Intelligent application

Signal avoidance, automatic gain, and howling suppression perfectly match different usage scenarios. 24 sets of scene preloading, data can be exported to PC backup to prevent loss


Characteristics of Speech System 1

Flexible deployment

Perfectly integrating wired and wireless conference modes, the range and origin can be determined according to personal preference, with a maximum seating capacity of 5200 units, no longer limited by environmental factors

Certification Technology

SSID unique authentication and IEEE MAC unique authentication, intercept unfamiliar devices, ensure conference stability

High sound quality

Adopting 3A algorithm technology, unique DSP technology, 16 segment balanced EQ, providing more intelligent operations without sacrificing audio quality, and efficiently restoring human voice

Diversification

6 speaking modes (voice control mode, development mode, first in first out, application mode, trigger mode, fully open mode), equipped with various forms of speaking seats, suitable for various meeting environment needs


Characteristics of Speech System 2

Multi purpose machine

Collect discussions, sign ins, voting, translation, services, conference recordings, etc., and can independently control up to 4 conference rooms at the same time

Centralized control

The unique AUDIOLINK protocol centrally controls and interconnects all audio devices within the system, making management more convenient

Redundant hot standby

Adopting dual system+ring network technology to efficiently ensure the normal operation of the system


Characteristics of Central Control Matrix System 1

The central control matrix system is a system that integrates two functions: the central control subsystem and the matrix subsystem. It can control the conference environment, achieve seamless switching of video screens, configure humanized, professional, easy to operate, manage, and has high cost-effectiveness. It is suitable for small and medium-sized conference rooms

Characteristics of Central Control Matrix System 2

Bidirectional feedback

Real time display of device control status on the operating end, with feedback from multiple user terminals simultaneously, allowing operators to understand the current status of all devices on a user-friendly touch interface and improve work efficiency

Scene customization

Different styles of scene control can be set according to different scenarios, devices, and customer preferences. With just one click, the equipment and environment in the conference room can be switched, avoiding tedious operation steps. It supports 232/485, infrared IO、 Multiple protocol controls such as relays and networks are used to meet the access needs of numerous devices in various scenarios

High video expansion

Support H.265 encoding and decoding protocol, capable of transmitting 1 channel of 4K video input/output, and compatible with video system devices

KVM management

No need for external servers, mobile devices can directly take over computer servers to achieve content on-demand, content playback, centralized control, and improve manageability and work efficiency


Application scenarios

System Architecture