Smart Classroom / Hybrid Classroom Design:
Hybrid Classroom is an innovative educational model that flexibly combines in-person and online learning to create a personalized and highly effective learning environment.
Technology plays a crucial role in facilitating communication and collaboration between in-person and remote students.
I. Video System
1. Main Display
A. LCD Screen / Interactive Display: 75", 86", 98"
Technical Requirements:
Resolution: 3840 x 2160 (4K UHD)
Brightness: Minimum 350-500 nits
Contrast: 4000:1
Viewing angle: 178°/178°
Anti-glare tempered glass surface
Touch technology: Minimum 20 touch points
Connectivity: HDMI 2.0 x 3, USB-C with Power Delivery, RS232 control, Audio in/out, DisplayPort 1.4
B. Projector
4K Laser Projector Brightness:
5000-7000 lumens for medium rooms
7000-10000 lumens for large rooms
Features:
Laser life: 20,000 hours
Automatic keystone correction
Optical lens shift
HDR10 and HLG
C. LED Display
Pixel Pitch:
P1.5 for close viewing (2-4m)
P2.5 for medium distance (4-8m)
P3.9 for long distance (>8m)
Flexible Dimensions:
Customizable according to space
16:9 ratio or custom options
Easy maintenance module design
Advantages:
High brightness (800-1200 nits)
Visibility in strong light environments
Long lifespan (100,000 hours)
Wide viewing angle
Unlimited expansion capability
D. Solution Comparison Chart
Criteria | LCD Display | Projector | LED Display |
Suitable for | 30-80 people | >80 people | >100 people |
Investment cost | Medium | Low | High |
Operating cost | Low | Medium | Low |
Brightness | Good | Good | Excellent |
Maintenance | Simple | Periodic | Modular |
Lifespan | 50,000h | 20,000h | 100,000h |
II. Camera System
1. Main PTZ Camera
Resolution: 4K/30fps
20x optical zoom
120° viewing angle
Automatic lecturer tracking
2. Wide-Angle Secondary Camera
Monitors student area/board
4K resolution
180° viewing angle
3. PTZ Camera Recommendations
A. AVer PTZ
PTC310 Series: Professional grade with 12X-30X optical zoom
TR311HN/TR313: Education-focused models with auto-tracking
Key advantages: Excellent auto-tracking, education-specific features
B. PTZOptics
12X-SDI: Popular in educational environments
20X-SDI: Higher zoom for larger rooms
Advantages: Good value, integrates with common streaming platforms
C. Logitech Rally Camera
15X optical zoom
Advantages: Easy USB connectivity, works well with most online meeting software
D. Sony SRG Series
SRG-X400/SRG-X120: Good balance of quality and price
Advantages: Reliable brand, good image quality
III. Audio System
1.Lecturer Audio
Wireless Lavalier Microphone
Digital transmission
8-hour battery life
Backup device available
2. Ceiling Array Microphone
Coverage: 30ft radius
Beamforming technology
Echo cancellation
3. Student Audio
Ceiling Array Microphone (Quantity depends on room)
Zone-based seating areas
Automatic adjustment
Noise reduction
4. Speakers
Ceiling Speakers
Even distribution
Minimum 4 speakers/room
Integrated amplifier
5. Audio Processing
DSP processor
Echo cancellation
Automatic volume adjustment
IV. Network Infrastructure
1. Connectivity
Dedicated Internet Line
Bandwidth: Minimum 1Gbps
QoS support
Backup connection
2. WiFi Coverage
WiFi 6 standard (802.11ax)
Minimum 2 APs/room
Secure VLAN separation
V. Control System
1. Central Controller
Touch Screen:
10-inch wall-mounted
Simple interface
Preset configurations
2. System Management
Automatic camera tracking
Audio adjustment
Lighting control integration
Recording management
VI. Additional Technology
1. Recording and Live Streaming
Recording System:
Local recording
Cloud storage integration
Multiple stream recording
Streaming Encoder:
Hardware encoding
Multi-platform support
Backup recording
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