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Design scheme of stage lighting and sound system for multifunctional lecture hall

The lecture hall system is designed to meet the multifunctional requirements of song and dance performances, conferences, academic reports, and video playback.

Seven sub-systems of the multifunctional report hall:

  1. Stage machinery system

  2. Stage curtain system;

  3. Stage conference sound system;

  4. Stage lighting system

  5. Stage video supervision system;

  6. LED display system;

  7. Central control matrix switching system.

1. Stage machinery system of lecture hall

Multi-functional lecture hall stage machinery and equipment includes: 1 large curtain machine, 1 electric monogram boom, 4 light booms, 1 two curtain machine, 4 side light suspension cages, 4 electric landscape boom .

1.1 Lecture hall curtain machine

The large screen machine installed at the stage entrance of the multifunctional lecture hall has a folio function. It can be driven by electric motor and adjustable speed, the response speed of repeated operation should be fast, turn on the adjustable speed. Can also be operated manually.

The big curtain machine is composed of a steel structure frame, a big curtain rail, a transmission device, a cable storage device and the like, and is specifically composed of the following parts:

· Steel frame, curtain rail for opening, uniform shrinkage mechanism.

Traction device: including motor, reducer, brake, etc.

· Pulley assembly.

· Wire ropes and accessories.

The middle overlapping part of the opening guide rail is not less than 2.0m, and both sides extend beyond the stage building entrance that can make the curtain open to the multifunctional lecture hall.

For the opening motor, transmission mechanism, etc., great attention should be paid to mechanical noise. At 80% of the maximum speed, the noise should be less than 50dB (A) at 1m away from the transmission mechanism.

In the case of horizontal split, in order to prevent the rope from loosening, a rope detecting device should be provided. When turning on and off, both sides should move synchronously.

Technical specifications of the big screen in the lecture hall:

Quantity: 1

Length: 16m

Stroke: 7m on one side

Curtain load: 600kg

1.2 Lecture hall lighting boom

The lighting boom is located in the upper part of the main stage of the multi-functional lecture hall. It is dedicated to the electric lifting device for hanging the stage lighting. The lighting boom is composed of a pole structure, a hoisting system and a control system, and is specifically composed of the following parts:

· Body structure is combined steel structure;

· The hoisting system consists of motor, reducer, brake, drum, etc., pulley assembly, wire rope and accessories;

· Single layer winding, 4 hanging points;

· Protection device: overtravel switch, random rope protection, overload protection, etc .;

The control system requires a computer or a programmable controller, which can be controlled on the main console;

On the operation table (panel), functions such as position (stroke) can be set. There are ascent, descent and emergency stop buttons and a separate joystick on the operating platform.

Technical specifications of lighting boom in lecture hall :

Quantity: 4

Length: 14m

Stroke: 8m

Positioning accuracy: ± 10mm

Speed: 0.35m / s

Noise: <50 dB (A)

Net load: 600kg

1.3 Lecture hall fixed speed boom

A speed-adjustable electric boom, which is set on the upper part of the main stage of the lecture hall, is used to enhance the scenery, various curtains and second curtain. Electric booms also participate in performances. Including: 1 electric monogram crane, 4 scenery cranes.

The electric boom is composed of a truss boom, a hoisting system, a control system and a protection device, and is specifically composed of the following parts:

· Truss boom

· Hoisting system: motor, reducer, brake, drum, pulley assembly, wire rope and accessories, etc.

· Single layer winding, 4 hanging points

· Protection device: overtravel switch, random rope protection, overload protection, etc.

The position (stroke) can be set on the console (panel). There are ascent, descent and emergency stop buttons and a separate joystick on the operating platform.

Quantity: 5

Length: 14m

Stroke: 8m

Positioning accuracy: ± 10mm

Net load: 400kg

Speed: 0.35m / s

Noise: <50 dB (A)

1.4 Lecture Hall Sidelighting Cage

The steel structure of the fixed column light frame set inside the stage entrance of the multifunctional lecture hall should be convenient for hanging the stage lamps and can be operated by humans.

Technical specifications of sidelight hanging cage of lecture hall:

Quantity: 4 sets

Size: 1.5mx0.8mx3m

Payload: 600kg

1.5 Lecture hall two curtain machine

The two-stage curtain set inside the stage of the multifunctional lecture hall has the function of opening and closing. It can be opened electrically or manually. Repeated operations should be fast.

Two-screen curtain machine is a device attached to an electric boom. The location is uncertain, and it is temporarily mounted by the user according to the needs of use.

The two-way two-way curtain machine is composed of a guide rail, a driving device and a transmission device.

It consists of the following parts:

· Opening rail, split traction device, wire storage device

· Divided traction device: including motor, reducer, brake, pulley assembly, wire rope and accessories, etc .;

· The overlapping area in the middle of the opening rail is not less than 2.0m.

Technical specifications of the second curtain of the lecture hall:

Quantity: 1

Length: 14m

Rail load: 1.5kN

Opening / closing speed: 0.4m / s

Stroke: 8m on one side

Noise: <50 dB (A)

1.6 Lecture Hall Stage Machinery Control System

Multifunctional lecture hall stage machinery control system consists of console and electrical control cabinet. Complete the control of big screen machine, side light boom, boom machine.

The manual console is equipped with machinery and has upper and lower limit protection functions. With limit protection. The control loop is 18 channels.

All key components such as control buttons, relays, contactors, circuit breakers and so on should use products of well-known brands made in China. The supporting electrical cabinets should be supported by manufacturers with production licenses and "3C" certifications. Electric boom adopts 1: 1 control method.

1.7 Lecture hall steel frame

20 # channel steel and wall connection into the wall or using chemical bolts combined with steel plate and channel steel, the upper part is connected to the roof structure; the channel steel connection is fully welded; the carriageway and the pulley beam are on the same line, and the distance between the beam and the pulley beam is maintained At 10cm; the horse road is about 60cm wide, 7 pieces of 50 * 30 square steel are uniformly distributed, and the horse road is welded with 4 # angle steel every 1m; the horse road is made of unilateral hand guards, and the hand guard height is about 100cm;

多功能报告厅舞台机械设备位置图

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2. Stage curtain system of lecture hall

The curtains of the multi-functional report hall must have good vertical feel, good texture, and elegant color. All curtains should be fire-resistant and flame-retardant treated to meet the national requirements for fabric fire-proof, with a uniform discount ratio.

Multi-functional lecture hall stage curtains include big curtain, front curtain (eave curtain), horizontal strip curtain, vertical strip curtain, and conference curtain (second curtain). Among them: the discount ratio of all stage curtains is 1: 3. It is described as follows:

1.The curtain

Reference size: 7 meters high and 8 meters wide

Quantity: 2 pieces

Color: Color is determined by the owner

Fabric: Gold velvet (with lining), B1 flame retardant

2. Frontier curtain (eave curtain)

Reference size: 2.5 meters high and 12 meters wide

Quantity: 1 piece

Color: Color is determined by the owner

Fabric: Gold velvet (lining,) B1 flame retardant

3. Conference curtain (second curtain)

Reference size: 7 meters high and 8 meters wide

Quantity: 2 pieces

Color: Color is determined by the owner

Fabric: Gold velvet, B1 flame retardant

4, horizontal screen

Reference size: 2.5 meters high and 12 meters wide

Quantity: 2 pieces

Color: Color is determined by the owner

Fabric: Gold velvet, B1 flame retardant

5, side curtain

Reference size: 7 meters high and 2.5 meters wide

Quantity: 2 pieces

Color: Color is determined by the owner

Fabric: Gold velvet, B1 flame retardant

多功能报告厅对开升降幕布传动系统图

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3. Lecture hall stage conference sound system

The multi-functional lecture hall's stage meeting audio response mainly meets the requirements of literary performances and various conferences, and can take into account the live broadcast and recording of radio and television stations.

3.1 Acoustic characteristics of multi-functional lecture hall sound reinforcement system

In order to adapt to the performance of different programs, the acoustic characteristics indicators of the multi-functional lecture hall's sound reinforcement system are based on the first-level performance sound reinforcement indicators specified in GB50371-2006 "Specifications for Design of Hall Sound System"

The acoustic characteristics of the sound reinforcement system in the auditorium are as follows:

project

Design specifications

Maximum sound pressure level

80-8000 Hz average ≥106dB

Transmission frequency characteristics

The average sound pressure level from 80 to 8000 Hz is 0 dB. Within this frequency band, +4 to -4 dB is allowed. Between 40 Hz to 80 Hz, 80 Hz is allowed without attenuation from +4 dB and from -4 dB to -6 dB / octave attenuation. Within 8000 ~ 16000Hz, 8000Hz is allowed to have no attenuation from + 4dB and -6dB / octave attenuation from -4dB.

Sound gain

100 ~ 8000 Hz average value ≥-8dB

Sound field unevenness

100Hz≤10db; 1000Hz≤6db; 8000Hz≤8db

System noise

≤NR20 noise evaluation curve

3.2 Principles of System Composition

(1) The main control equipment of the audio system is a digital mixer.

(2) The main sound reinforcement box in the auditorium adopts the point source array system. The left, middle and right methods are adopted, and the three channels cover the entire field uniformly, and an independent sub-frequency channel sound reinforcement system scheme is provided.

(3) The flow-back solution for the stage return monitoring system.

(4) Set microphone interfaces at the stage entrance, side stage, etc. of the multifunctional lecture hall stage.

(5) The multifunctional report hall system requires that all input and output channel audio signal lines must be processed by jumpers in order to flexibly change the routing relationship and distribution of the system in an emergency.

(6) The multifunctional lecture hall system is universal and open.

3.3 Composition and configuration of the auditorium sound system

3.3.1 Speaker System in Lecture Hall

Multi-functional report hall main sound box system adopts three-channel (left, center, right) sound reinforcement method, and takes into account stereo and mono sound reinforcement methods. All main sound reinforcement boxes use point source array speakers, each sound The loudspeaker array should independently cover the auditorium and meet the technical specifications for the first-class acoustic characteristics of literary performances.

The selection of speakers must ensure the accurate restoration of the sound source (program source). The speaker system with phase correction and phase response parameters is preferred. At the same time, the practicality and recognition of the speaker brand by mainstream domestic performance groups should be considered. Should choose the mainstream brands used in well-known domestic theaters in recent years.

In order to ensure the overall decoration effect and aesthetic requirements of the theater, the main sound box set adopts concealed concealed installation.

(1) Main PA speaker system

In the multi-functional report hall, the left, middle and right main speakers, and the audiovisual speakers on both sides of the entrance are selected point source array speakers. Each channel independently covers the entire audience, and the left and right channels are equipped with ultra-low frequency speaker groups.

The center channel speaker array system consists of two speaker systems,

The left and right channel main speaker systems are composed of two speaker systems and one audiovisual speaker system.

The main sound reinforcement subwoofer system consists of one left and right subwoofer system. Each group requires a maximum sound pressure level of ≥130db, a frequency response lower limit of 35HZ (or better), and a woofer of at least 18 inches.

(2) Stage return monitor speaker system

In order to meet the diversified requirements of performance forms, the main stage of the multi-functional lecture hall is equipped with flexible multi-channel return monitor speakers on the main stage to facilitate the monitoring of actors on the stage.

Stage mobile return monitor full-range speakers 4 required maximum sound pressure level ≥125db, frequency response ≥65-18KHz.

(3) Monitor speaker system in the control room of the lecture hall

Multi-functional lecture hall audio control room main console configuration 2 only source monitor speakers. Required frequency response: ≥55Hz-20kHz.

(4) Power amplifier

The power of the amplifier according to the nominal output power (FTC) of the speaker system must be 1.3 times greater than the rated electrical input power of the speaker; the number and specifications of each speaker's independent channels are configured according to the speaker's matching configuration.

3.3.2 Lecture Hall Mixer and Signal Processing Section

The mixer is the control core of the entire system, and its sound quality, performance and reliability play an important role in the entire sound reinforcement system.

The mixer has powerful processing capabilities and input and output matrices, is easy to use and can meet the needs of the performance.

1) Mixer

No less than 32 microphone / line inputs, 3 stereo inputs, 24 line outputs;

24bit Cirrus Logic D / A Converter

6 aux sends for monitoring the mix

L / R main output

Global 48V phantom power

Input channel has 2 different styles 4 band equalizer, threshold, compressor, effector

Output section with 31 band graphic equalizer and compressor / limiter

Global reverb and delay effects

With 4 mute groups and 4 view group functions

Wired to wireless seamless mixing

2) Digital audio matrix processor

No less than 8 line / microphone inputs, no less than 8 line outputs, sampling rate: 48kHz

Frequency response: 20Hz -20kHz, +/- 0.5 dB

Dynamic range:> 108 dB (A-weighted), input to output

Available digital audio processor components include (but are not limited to): mixer, equalizer, filter, crossover, dynamic or gain control, router, delay, remote control, level meter, generator, onboard logic and diagnosis. Freely programmable and supports third-party control

Digital audio processors can work independently without relying on a computer.

3) The rest of the peripheral equipment is configured according to the requirements of the list.

3.3.3 Lecture Hall playback equipment

The multifunctional lecture hall is equipped with one professional CD player and one DVD player.

3.3.4 Lecture Hall Microphone

(1) Wired microphone

The microphone section of the audio system of the multi-functional lecture hall is allocated 6 gooseneck conference microphones, equipped with 8-channel intelligent mixing consoles, 3 large diaphragm condenser microphones, 2 vocal dynamic microphones, and 6 instrument microphone sets.

(2) Wireless microphone

Multi-functional lecture hall wireless microphones require professional microphones and are equipped with antenna receiving and amplification distribution systems. Among them, there are 4 sets of handheld wireless microphones, 2 sets of pocket-clip wireless microphones, and 2 headphone microphone heads, which can be interchanged with lavalier microphone heads.

The multifunctional lecture hall is equipped with two wireless microphone antenna distribution amplifiers and two antennas.

多功能报告厅舞台音响及会议系统图

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4. Lecture hall stage lighting system

4.1 Basic requirements for the lighting function of the lecture hall

Ø The multi-functional lecture hall stage lighting system is designed to meet the requirements of multi-functional use such as conferences, academic reports, and film screenings. The main control equipment should be selected from advanced products to ensure the safety, advancedness, stability, and reliability of the system. , Other equipment must fully consider cost performance and versatility. Network, lighting connector, junction box, wire and other engineering accessories and equipment should meet the requirements of the actual environment, safe and reliable, have good scalability, in order to facilitate future maintenance interchangeability. The system must have a complete electromagnetic compatibility design to ensure that the lighting system and the audio subsystem are used at the same time without interference.

Ø The lighting network control system adopts DMX512 signal network control, and DMX control points are required in the network.

Ø Mobile equipment should be configured with DMX network system separately.

Ø Programmable field lamp control system.

Ø Dimming console: It should be equipped with international advanced products, and the equipment should be versatile and interchangeable.

4.2 Functional requirements and performance indicators of the lighting network in the report hall

Ø Has a complete network control conflict solution

Ø On-site protection function with signal interruption

Ø With DMX transceiver node, can support flow control

4.3 Light function of report hall

Ø After the completion, it can hold song and dance performances taking into account the use requirements of conferences, academic reports, movie screening and other functions.

Ø The multi-functional lecture hall lighting system can facilitate the lighting design and the management and use of lighting operators.

4.4 Lecture Hall System Reliability, Security and Scalability

Ø The control equipment for the system shall comply with national standards; system design, pipeline selection, and supporting construction shall comply with relevant national industry standards or specifications.

Ø The control section of the multifunctional report hall requires strict real-time tracking and backup.

Ø Multi-functional lecture hall system adopts TN-S wiring mode.

4.5 Report Hall Management Requirements

Ø Ensure that the operating system has sufficient security performance and storage capacity.

Ø The equipment is controlled by the central control system, which can monitor network information, working status of the dimming cabinet, and performance information.

Ø The noise of all equipment constituting the stage area of the stage lighting system must meet the stage's technical requirements regarding background noise. The interference from the noise of all equipment and the external environmental noise when the field is open is not higher than NR25. The noise of the effect equipment cannot be greater than 30dB (the test point at 1 meter).

4.6 Lecture hall digital dimming control system

Ø The lighting network control system adopts digital control, and DMX control is required in the network.

ØThe console is used as the control of the dimmer during the performance. It is located in the light control room of the multifunctional lecture hall. Requires console with DMX512 interface, etc .;

Ø The dimming cabinet has the function feedback function of the module, no less than 400us ring filter, automatic adjustment and stable output voltage function;

ØThe loop distribution is divided into dimming loop and straight-through loop. The specific distribution is as follows:

Ø 1 digital dimming silicon box with random switching, 36 circuits, 4KW / circuit;

Ø 1 through cabinet, 36 circuits, 4KW / circuit;

4.7 Lecture hall requirements for three-phase power distribution lines

According to the current national electrical standards, according to the design requirements of bidding and selection and configuration. The power of stage lighting in the multifunctional lecture hall is led out from the dimming room through the cable channel to each distribution box and distribution box.

These circuits are led from various types of distribution box junction boxes.

Three-phase backup power lines are connected to distribution boxes located at different locations through cable channels. There are two three-phase backup power sources in the multi-functional report hall, which are respectively distributed on the left and right sides of the back wall of the stage with 100KW.

4.8 Cable and trunking in the lecture hall

Cable and cable trunking technical specifications of the lecture hall:

ØCable trough

Ø After fire treatment

Ø The shell is made of 2mm electrolytic steel plate with anti-rust treatment, electrostatic powder coating

Ø With KSV buckle, every 30cm

Ø Can be installed horizontally and vertically

Ø The weight of the main cable trough is not less than 150kg / m

Ø Can be installed on the top of the grid, wall, or embedded

Ø Cable

Ø Sheath is flame retardant

Ø 500V

Ø with stiffener

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5. Video surveillance system inside the lecture hall stage

The stage of the multifunctional lecture hall is used as a large platform for entertainment performances and conferences. A stage video monitoring system is installed on the stage (camera installation position: rear wall of the audience hall, left and right of the entrance, and upper side light shelves), which can better ensure rehearsals, The stage installation and performance went smoothly, and the relevant technical departments (such as the light control room, sound control room, stage machinery control room, and guide room) and the backstage departments (VIP lounge, dressing room, actor lounge, and other relevant departments) performed the stage. Get real-time information on-site. The system adopts a stage video supervision system with advanced technology, high reliability and strong expandability. It has real-time monitoring and recording functions, and can be unifiedly managed in each main control room. At the same time, it also serves as a security system in the theater.

"Safety Prevention Engineering Procedures and Requirements" (GA / T75-94)

"General Graphical Symbols for Security and Protection Systems" (GA / T74-2000)

"Engineering Design Specifications for Industrial Television Systems" (GB 50115-2009)

"Engineering Technical Specifications for Civilian Closed Circuit Television System" (GB 50198-2011)

6. Lecture hall LED screen system

The multifunctional report hall LED screen system is divided into the following systems:

1. 2 sets of LED display system;

2. One set of stage LED background screen.

6.1 System design and construction basis

Ø "Intelligent Building Design Standard" (GB 50314-2015)

Ø "Code for Quality Acceptance of Intelligent Building Engineering" (GB50339-2013)

Ø "General Specification for LED Display" (SJ / T 11141-2012)

Ø "Test method for LED display screen" (SJ / T 11281-2007)

Ø "Design Specification for General Electric Equipment" (GB 50055-2011)

Ø "Transfer test standard for electrical equipment of electrical installation engineering" (GB 50150-2006)

Ø "Code for Electrical Design of Civil Buildings" (JGJ 16-2008)

Ø "Code for Lightning Protection Design of Buildings" (GB 50057-2010)

Ø "Code for Construction Acceptance of Grounding Devices for Electrical Installation Engineering" (formerly GB 50169-2006)

Ø "Code for Construction Quality Acceptance of Building Electrical Engineering" GB 50303-2002

Ø "Terms and Definitions of Guidelines for the Preparation of Environmental Test Methods" GB / T 2422-2012

Ø "Basic environmental test rules for electric and electronic products" low temperature test method (GB2423.1)

Ø "Basic environmental test rules for electric and electronic products" high temperature test method (GB2423.2)

Ø "Security Requirements for Audio, Video and Similar Electronic Equipment" (GB 8898-2011)

Ø "Lightning Test Method for Electronic Equipment" GB / T 3482-2008

Ø "Information Technology Equipment Safety Part 1: General Requirements" GB 4943.1-2011

Ø National Standard for Software Engineering (GTB856)

Ø "International Standard for Information Technology Interconnection" (ISO / IEC11801-95)

Ø "Code for Fire Protection in Architectural Design" (GB 50016-2014)

Ø "Grounding Design Code for AC Electrical Equipment" GB / T 50065-2011

Ø "Civil Building Cable Standard" (EIS-TIA-568)

Ø "Grounding of AC electrical installations" DL / T 621-1997

6.2 Lecture Hall LED Display System

An indoor P4 full-color LED display is set on each side of the stage entrance of the multifunctional lecture hall. It can display camera video signals, computer signals, DVD signals, TV signals, etc. It can display required pictures, movies, report drafts, greetings, etc. during meetings.

The net size of the display is 2.048 meters long and 1.536 meters high.

Number of multi-functional report hall LED display: 2 sets.

6.3 Multifunctional lecture hall stage LED background screen

Ø The main screen size (scale ≈ 16:10): width 8.64m * height 5.44m = 47㎡

ØMeet the function of HD video;

7. Conference audio and video transmission and central control switching system

The stage is provided with 2 points, which are used for conferences, academic exchanges, lectures, etc., and provide transmission channels for audio and video materials release for conference speakers.

At the same time in the audio control room has a large number of audio and video sources, equipped with a 16-in 16-out mixed HD matrix. It is very tedious and error-prone to switch by hand. Therefore, a central control switching system is configured to perform one-button operation, which is accurate and reliable, and can switch the corresponding equipment.

8. List of stage equipment in multifunctional lecture hall

Serial number Device name Quantity unit
I. List of Stage Machinery Equipment in the Lecture Hall
1 Electric monogram boom 1 Road
2 Folio curtain machine 1 Road
3 Scenery boom 4 Road
4 Lighting boom 4 Road
5 Two-way curtain machine 1 set
6 Side light hanging cage 4 set
7 Stage machinery console 1 station
8 Stage machinery control cabinet 1 station
9 Grid top steel frame 1 set
10 Installation accessories 1 Approve
List of stage curtain equipment in the lecture hall
1 Front curtain (eave curtain) 90 m 2
2 Folio 336 m 2
3 Meeting curtain (two-way curtain) 336 m 2
4 Horizontal screen 90 m 2
5 Side curtain 105 m 2
6 annex 1 Approve
List of Stage Audio Equipment in Lecture Hall
A Mixer
1 Digital mixer 1 station
B Main sound reinforcement speaker
1 Left, center and right channel full range speakers 6 only
2 Left and right audio and video full range speakers 2 only
3 Ultra-low speaker 2 only
4 Desk Lip Full Range Speaker 4 only
5 Mobile return speaker 4 only
C Power amplifier
1 Left, center and right channel full range speaker amplifier 3 station
2 Left and right pull full-range speaker amplifier 1 station
3 Ultra-low speaker amplifier 1 station
4 Full Lip Speaker Amplifier 2 station
5 Mobile return speaker amplifier 2 station
D Monitoring equipment
1 Control room active monitor speakers 2 only
2 Professional monitor headphones 1 vice
E Peripheral processing equipment
1 Digital audio processor 1 station
2 31-band graphic equalizer 2 station
3 Digital effects 1 station
F Audio equipment
1 CD player 1 station
2 Blu-ray DVD player 1 station
G microphone
1 Handheld wireless microphone (including receiver) 4 set
2 Wireless lavalier microphone (including receiver, bodypack) 3 set
3 Wireless headset 3 only
4 Antenna distribution amplifier 2 station
5 Antenna signal amplifier 2 station
6 Directional antenna 2 pay
7 Gooseneck conference microphone 6 support
8 Smart Mixer 1 station
9 Vocal dynamic microphone 4 support
10 Instrument microphone 1 set
11 Large diaphragm condenser microphone 3 support
12 Microphone stand 6 pay
H annex
1 Cabinet 3 only
2 Stage buried box 5 only
3 Jumper 50 root
4 Jumper disk 4 station
5 Console 1 Zhang
6 Connector 1 Approve
7 Audio system cable 1 Approve
8 Bridges, pipes, etc. 1 Approve
List of stage lighting equipment in the lecture hall
A Dimmer
1 Digital dimmer 1 station
2 dmx signal amplifier 6 station
B Silicon cabinet
1 Digital dimming silicon box 1 station
2 Power-through box 1 station
3 Stage light spare box 2 station
C Lighting
1 19 ° imaging spotlight 12 station
2 Remote spotlight 12 station
3 Medium Range Spotlight 8 station
4 Multifunctional Threaded Zoom Spotlight 30 station
5 Tricolor conference light 18 station
6 LED Stained Light 36 station
7 LED ceiling light 12 station
8 Computer moving head beam light 18 station
9 Three in one computer moving head light 8 station
10 LED Follow Light 1 station
D annex
1 Stage buried box 9 only
2 Console 1 Zhang
3 Light hook 1 Approve
4 Safety net, safety chain 1 Approve
5 Bridge and pipe 1 Approve
6 Twisted pair power cord 1 Approve
7 4KW flame retardant flat cable 1 Approve
8 DMX512 signal control line 1 Approve
9 Two-color ground wire 1 Approve
10 Reinforced rubber cable 1 Approve
11 Plug and socket 1 Approve
12 Power supply, signal box 1 Approve
V. List of Equipment for Video Surveillance System in Lecture Hall
1 HD Network Dome Camera 4 only
2 Network switch 1 station
3 Audio splitter 1 station
4 Control Keyboard 1 station
5 Color quad screen splitter 1 station
6 HD decoder 1 station
7 HD video recorder 1 station
8 Control room monitor 3 station
9 Cabinet 1 only
10 Other Accessories 1 Approve
List of equipment for the LED wall system in the lecture hall
1 Taikou eight-character wall LED screen (P4 full color) 6.29 M2
2 Independent master 1 set
3 receive card 18 Zhang
4 Video processor 1 set
5 Video master computer 1 station
6 Communication cable 200 Meter
7 power cable 50 Meter
8 Framework 1 set
9 Distribution box 1 set
10 annex 1 set
List of LED system equipment for stage background of the lecture hall
1 Stage background main screen (P5 full color) 47 M2
2 Independent master 2 set
3 receive card 91 Zhang
4 Video stitching processor 1 set
5 Control computer 1 station
6 Communication cable 600 Meter
7 power cable 80 Meter
8 power cable 100 only
9 Framework 1 set
10 Intelligent distribution box 1 set
11 annex 1 set
8. Intelligent central control and matrix switching system in the lecture hall
A Audio and video transmission system
1 Digital HD Hybrid Matrix 1 station
2 HDBaseT converter 2 set
B Intelligent central control system
1 Programmable host 1 station
2 Wireless Router 1 station
3 WIFI wireless touch screen 1 station
4 Infrared emitter 4 support
5 Touch screen support 1 only
6 Power controller 1 station
7 Programmable software 1 set