D1 Decoder User Manual
1. Product Overview
Section titled “1. Product Overview”1.1 Foreword
Section titled “1.1 Foreword”Welcome to the CND Live D1 Decoder. As a specialized manufacturer in the IP video sector, CND Live is dedicated to providing high-quality and reliable equipment.
The D1 Decoder is a high-performance device designed to bridge the gap between IP video streams and traditional broadcast displays. It supports decoding Ultra-High-Definition (UHD) video signals into standard HDMI and SDI outputs. It features comprehensive support for multiple protocols including Full NDI, NDI|HX, SRT, RTMP, and more.
1.2 Device Introduction
Section titled “1.2 Device Introduction”The D1 is equipped with dual Gigabit Ethernet ports and a visual LCD screen for easy management without a computer.
Key Features:
- Multi-Source Support: Receives and decodes streams via Ethernet (RTSP, RTMP, SRT, HLS, TS-UDP).
- NDI Support: Fully compatible with NDI High Bandwidth and NDI|HX.
- Dual Output: Simultaneous HDMI (up to 4K) and SDI (up to 1080P) outputs.
- Visual Control: 2-inch LCD screen for real-time preview and status.
- Multi-Window: Supports Single, Dual, and Quad split-screen display modes.
- Audio Matrix: Professional audio routing to decouple input audio from output channels.
💡 Concept Explainer: What are NDI and SRT?
- NDI (Network Device Interface): A technology for sending high-quality, low-latency video over local networks. Perfect for studio environments.
- SRT (Secure Reliable Transport): A video streaming protocol designed to deliver smooth video over unstable networks (like the public internet) by recovering lost packets. Perfect for remote contribution.
1.3 Technical Specifications
Section titled “1.3 Technical Specifications”| Feature | Specification |
|---|---|
| Video Outputs | 1x HDMI 2.0 (Up to 3840x2160P 60Hz) 1x 3G-SDI (Up to 1920x1080P 60Hz) |
| Audio Interface | 1x 3.5mm Line Out (Stereo) |
| Network | 2x Gigabit Ethernet (1000M) LAN 1 supports PoE |
| USB Interfaces | 1x USB 3.0 Type-A, 1x USB Type-C |
| Power | DC 12V / 2A or PoE |
| Recording | Supports USB storage (TS, MP4, MKV) |
1.4 Package Contents
Section titled “1.4 Package Contents”- 1x D1 Host Unit
- 1x Power Adapter
- 1x Warranty Card
- 1x Quick Start Guide
- 1x Quality Certificate
2. Hardware Interfaces
Section titled “2. Hardware Interfaces”2.1 Front Panel
Section titled “2.1 Front Panel”
- Line Out: 3.5mm analog audio jack. Connect headphones to monitor the decoded audio.
- USB 3.0: Connect a USB drive for local recording or firmware updates.
- Type-C: For peripheral expansion (e.g., USB Headsets for future intercom features) or storage.
- LCD Screen: Displays video preview, IP address, and system menus.
- Up: Scroll up / Return.
- Confirm: Enter menu / Confirm selection.
- Down: Scroll down / Next page.
2.2 Rear Panel
Section titled “2.2 Rear Panel”
- Power Button: Press to turn the device On/Off.
- DC 12V: Input for the provided power adapter.
- HDMI OUT: Connect to a TV, Monitor, or Projector.
- LAN 1 (PoE): Primary Network Port. Supports Power over Ethernet.
- LAN 2: Secondary Network Port (for dual-network setups).
- SDI OUT: Connect to professional video switchers or broadcast monitors.
3. Installation & Connection
Section titled “3. Installation & Connection”3.1 Power Supply
Section titled “3.1 Power Supply”You can power the device using one of two methods:
- DC Adapter: Connect the 12V/2A adapter to the DC jack.
- PoE: Connect an Ethernet cable from a PoE switch to LAN 1.
💡 Concept Explainer: PoE (Power over Ethernet) PoE allows the network cable to carry electrical power. If you have a PoE-capable network switch, you do not need the separate power brick. This makes installation cleaner.
3.2 Connecting Video
Section titled “3.2 Connecting Video”- HDMI: Connect to standard 4K/HD monitors.
- SDI: Connect to professional broadcast gear.
- Note: Both ports output video simultaneously.
3.3 Network Connection
Section titled “3.3 Network Connection”Connect an Ethernet cable to LAN 1.
- Note: By default, the device uses DHCP. This means it will automatically ask your router for an IP address.
3.4 Audio & Storage (Optional)
Section titled “3.4 Audio & Storage (Optional)”- Audio: Connect headphones to the Line Out port.
- Storage: Insert a USB flash drive (FAT32/NTFS) if you plan to record video.
4. LCD Screen Operation
Section titled “4. LCD Screen Operation”The LCD screen allows you to check status and configure basic settings without a computer.
4.1 Home Screen (Preview)
Section titled “4.1 Home Screen (Preview)”Upon startup, the screen displays the Real-time Video Preview.
- Source Switching: The preview matches your active decoding output.
4.2 System Status
Section titled “4.2 System Status”Press the Confirm key to enter the menu.
- CPU / RAM: Shows current resource usage.
- Version: Current firmware version.
- Serial No: Unique device ID.
- Device Name: The name shown on the network (e.g., “Decoder D1”).
4.3 Output Info
Section titled “4.3 Output Info”Press Down to view the Output page.
- HDMI / SDI Status: Displays the current output resolution (e.g.,
1920x1080 50Hz) and audio sample rate. - Note: If no video is playing, it will display “No Signal”.
4.4 Network Settings (LAN 1 / LAN 2)
Section titled “4.4 Network Settings (LAN 1 / LAN 2)”Press Down to view the Network page.
- IP Address: Displays the device’s current IP (e.g.,
192.168.1.xxx). You need this address to log in to the Web Interface. - Mode: Shows if the device is using DHCP (Auto) or Manual IP.
4.5 System Maintenance
Section titled “4.5 System Maintenance”In the System Menu (accessed via “System Status”), you can:
- Reset: Restore factory defaults (Erases all settings).
- Reboot: Restart the device.
- Update: Update firmware from a USB drive containing the
.binupdate file in the root directory.
5. Web Management UI
Section titled “5. Web Management UI”The Web UI is the primary control center for the D1 Decoder.
5.1 Login
Section titled “5.1 Login”- Connect a computer to the same network as the D1 Decoder.
- Find the IP Address on the D1’s LCD screen (Network page).
- Open a web browser (Chrome recommended) and enter the IP address.
- Login with the default credentials:
- Username:
admin - Password:
admin
- Username:
5.2 Dashboard Overview
Section titled “5.2 Dashboard Overview”The main interface allows you to manage video sources and outputs.
- Source List (Left): Displays auto-discovered NDI sources.
- Add Source (+): Click to manually add RTSP, SRT, or RTMP URLs.
- Preview Window: Shows the active decoded video.
- Output Control: Toggle HDMI/SDI on/off and set the output resolution (e.g., 1080P, 4K).
To Start Decoding:
- Select a source from the list on the left.
click
- Drag and drop the source into the Preview Window.
- The device will immediately start decoding.
5.3 Output Settings & Multi-View
Section titled “5.3 Output Settings & Multi-View”- Resolution: Set the output format (e.g.,
3840x2160 60Hz). - Multi-Window: Choose a layout to display multiple streams on one screen:
- Single View: 1 Full screen source.
- Dual View: 2 Side-by-side sources.
- Quad View: 4 sources in a grid.
5.4 Advanced Features
Section titled “5.4 Advanced Features”Audio Matrix
Section titled “Audio Matrix”This feature decouples input audio from output audio.
- Usage: You can route “Input Channel 1” to “HDMI Left Output” and “Input Channel 2” to “HDMI Right Output”. This is essential for multi-language feeds.
OSD (On-Screen Display)
Section titled “OSD (On-Screen Display)”Overlay graphics or text onto your video output.
- Usage: Add a company logo, “Live” watermark, or timestamp.
- Setup:
- Select Type (Text, Image, Date, Time).
- Position the overlay using the 9-grid layout.
- Select target (HDMI/SDI).
💡 Concept Explainer: OSD OSD stands for On-Screen Display. It is a feature that “stamps” text or images on top of the video signal before it leaves the decoder, useful for branding.
5.5 Recording
Section titled “5.5 Recording”The D1 functions as a local recorder.
- Storage: Select your USB drive.
- Format: Choose
.ts(recommended),.mp4, or.mkv. - Strategy:
- Loop Write: Continuously records, overwriting the oldest files when full.
- Stop when Full: Stops recording when storage runs out.
5.6 Network Configuration
Section titled “5.6 Network Configuration”- DHCP (Auto): Default. The router assigns the IP.
- Static IP (Manual): Manually enter IP, Gateway, and DNS. Recommended for permanent installations so the IP doesn’t change.
5.7 System Maintenance
Section titled “5.7 System Maintenance”- Firmware Upgrade: Upload a
.binfile via the web interface. - Factory Reset: Restore all configurations to default.
- Reboot: Restart the device remotely.
6. FAQ
Section titled “6. FAQ”Q: I see “No Signal” on my monitor.
A:
- Check the Web UI. Ensure the “HDMI” switch is toggled ON.
- Check the resolution. Some older TVs do not support 4K or 50Hz. Try setting the output to
1920x1080 60Hz.
Q: I cannot find the IP address.
A: Look at the LCD screen on the front of the unit. Press the Down button until you see the page labeled Network.
Q: The video is stuttering.
A: This is often due to network congestion.
- Ensure you are using Gigabit Ethernet cables.
- If streaming over the internet, try using the SRT protocol, which is designed to fix packet loss.
Q: How do I factory reset without a password?
A:
- Ensure the device is powered on.
- Press and hold both the Up and Down buttons on the front panel simultaneously for 8 seconds.
- The device will reset and reboot.