1. ບົດແນະນຳ
The ORIVISION DH931 is a professional high-definition AV decoder designed for various video systems. It supports H.265 and H.264 decoding formats and offers multiple output interfaces including HDMI, CVBS, and VGA, along with stereo audio output. This device is capable of decoding resolutions up to 4K (3840x2160@30Hz) and supports various streaming protocols, making it suitable for multimedia release, digital signage, and signal distribution applications.
The DH931 decoder features high integration and is designed for reliable performance. It includes an OLED display for real-time monitoring of device name, IP address, resolution, and working status, ensuring uninterrupted video decoding. Additionally, it supports Power over Ethernet (POE) for flexible power options.
2. ຄຸນລັກສະນະຂອງຜະລິດຕະພັນ
- ຈໍ LCD: Shows device name, IP address, resolution, and working status.
- ຜົນຜະລິດຄວາມລະອຽດສູງ: Supports up to 4K (3840×2160@30Hz) resolution output.
- ຜົນອອກມາຫຼາຍອັນ: Includes 1x HDMI output, 1x VGA output, 1x CVBS output, and 1x audio output.
- Extensive Protocol Support: Compatible with HTTP, RTSP, RTMP, RTMPS, SRT, UTP, and UDP/RTP protocols.
- Decoding Formats: Supports H.265 Baseline Profile, H.264 Baseline Profile, H.264 Main Profile, and H.264 High Profile ການຖອດລະຫັດ.
- ການຖອດລະຫັດຊ່ອງ: Capable of 1 channel 4K decoding, 4 channels 1080P decoding, or 9 channels 720P decoding.
- Embedded RTMP Server: Allows direct transmission to the ORIVISION decoder using RTMP protocol without an external RTMP platform.
- POE Power Supply: Supports Power over Ethernet for simplified installation.
- Web Interface Management: ສະໜອງ ກ web-based interface for configuration and remote management.
- ຮອງຮັບ SDK: Available for secondary development and integration.
Figure 1: ORIVISION DH931 Decoder highlighting its main features.
3. ຕັ້ງຄ່າ
3.1 ເນື້ອໃນຊຸດ
Before proceeding with the setup, please ensure all components are present:
- ORIVISION DH931 Video Decoder Unit
- Power Adapter (12V/DC 1A)
- ຄູ່ມືຜູ້ໃຊ້ (ເອກະສານນີ້)
3.2 ອຸປະກອນເກີນview
ຮູບ 2: ຂ້າງ view of the DH931 Decoder with input/output ports.
ຮູບ 3: ດ້ານຫນ້າ view of the DH931 Decoder showing the OLED display.
3.3 ການເຊື່ອມຕໍ່ອຸປະກອນ
- ການເຊື່ອມຕໍ່ພະລັງງານ: Connect the provided 12V/DC 1A power adapter to the '12V/DC' port on the decoder. If using Power over Ethernet (POE), connect an Ethernet cable from a POE-enabled switch to the 'LAN' port.
- ການເຊື່ອມຕໍ່ເຄືອຂ່າຍ: Connect an Ethernet cable from your network to the 'LAN' port on the decoder. This is essential for receiving IP streams and accessing the web ການໂຕ້ຕອບການຄຸ້ມຄອງ.
- ຜົນຜະລິດວິດີໂອ: Connect your display device (monitor, TV, projector) to one of the video output ports:
- For HDMI display: Use an HDMI cable to connect to the 'HDMI OUT' port.
- For VGA display: Use a VGA cable to connect to the 'VGA OUT' port.
- For CVBS display: Use a CVBS cable to connect to the 'CVBS OUT' port.
- ສຽງອອກ: Connect your audio system or speakers to the 'AUDIO OUT' port using a stereo audio cable.
4. ຄໍາແນະນໍາການດໍາເນີນງານ
4.1 Power On and Initial Status
Once all connections are made, power on the device. The OLED display on the front panel will show the device's IP address, current resolution, and working status. The PWR and STA indicator lights will illuminate, indicating the device is operational.
4.2 ການເຂົ້າເຖິງ Web ການໂຕ້ຕອບ
To configure advanced settings and manage the decoder, access its web ການໂຕ້ຕອບ:
- Ensure your computer is on the same network as the decoder.
- ເປີດ ກ web browser and enter the IP address displayed on the decoder's OLED screen.
- Log in using the default credentials (refer to the full manual for default username/password).
- ຈາກ web interface, you can configure network settings, decoding parameters, and monitor device status.
4.3 Decoding Video Streams
The DH931 decoder supports various decoding modes based on the input stream resolution:
- ຄວາມລະອຽດ 4K: When the input stream is 4K, 1 channel decoding is supported, with an output resolution of up to 4K@30Hz.
- ຄວາມລະອຽດ 1080P: For 1080P input streams, up to 4 channels decoding output can be supported.
- ຄວາມລະອຽດ 720P: For 720P input streams, up to 9 channels decoding output can be supported.
- CVBS Interface: The CVBS interface supports only 1 channel decoding output.
ຮູບທີ 4: ຕົວຢ່າງample setup diagram for the 4K Video Decoder.
Figure 5: Diagrams illustrating Embedded RTMP Server and Protocol Conversion capabilities.
5. ຂໍ້ມູນຈໍາເພາະ
| ປະເພດ | ຂໍ້ມູນຈໍາເພາະ |
|---|---|
| ຜົນຜະລິດວິດີໂອ | 1x HDMI (support HDMI1.4 and HDCP1.4), 1x VGA, 1x CVBS |
| ຄວາມລະອຽດຜົນຜະລິດ | 3840×2160@30Hz, 1080P@60/50/30Hz, 720P@60/50Hz, 576P@50, 480P@60, 1280×1024@60, 1280×800@60, 1024×768@60, 800×600@60 |
| ການຖອດລະຫັດ | H.265, H.264 |
| ສຽງອອກ | 1x ສຽງ |
| ຮູບແບບການຖອດລະຫັດສຽງ | AAC, MP3 |
| ສະເຕຣິໂອ | Adjustable sound volume |
| ຈໍສະແດງຜົນ OLED | IP address, resolution, and working status |
| RJ45 | 1000M internet access |
| ພິທີການ | HTTP, RTSP, RTMP, RTMPS, SRT, UTP, UDP/RTP |
| ການໂຕ້ຕອບ | WEB ການໂຕ້ຕອບການດໍາເນີນງານ |
| ຍົກລະດັບ | Software upgrading through the internet |
| ຂະໜາດ | 6.4*4.4*1.3 inches (163*111*32mm) |
| ນ້ຳໜັກ | 0.35 ກິໂລ (1.35 ປອນ) |
| ອຸນຫະພູມ | 0~45°C (work), -20~80°C (storage) |
| ການສະຫນອງພະລັງງານ | Stand-alone: 12V/DC 1A |
| ການແຈກຢາຍພະລັງງານ | <5W/1 channel |
Figure 6: Detailed specifications of the DH931 Decoder.
6. ການແກ້ໄຂບັນຫາ
- ບໍ່ມີຜົນຜະລິດວິດີໂອ:
- Check all video cable connections (HDMI, VGA, CVBS) to ensure they are secure.
- Verify the input source selection on your display device matches the connected port.
- Ensure the decoder is powered on and the indicator lights are active.
- Confirm the input video stream is active and correctly configured on the source device.
- ບໍ່ມີສຽງອອກ:
- Check the audio cable connection to the 'AUDIO OUT' port and your audio system.
- Verify the volume settings on both the decoder (via web interface) and your audio system.
- Ensure the input stream contains audio and is being decoded correctly.
- ບັນຫາການເຊື່ອມຕໍ່ເຄືອຂ່າຍ:
- Check the Ethernet cable connection to the 'LAN' port.
- Verify the network settings (IP address, subnet mask, gateway) via the OLED display or web ການໂຕ້ຕອບ.
- Ensure your network infrastructure (router, switch) is functioning correctly.
- Decoding Problems (e.g., stuttering, artifacts):
- Ensure the input stream's resolution and bitrate are within the decoder's supported limits.
- Check network bandwidth and stability, as insufficient bandwidth can cause decoding issues.
- Verify the decoding format (H.265/H.264) matches the input stream.
- Consider updating the device firmware via the web interface if available.
7. ບໍາລຸງຮັກສາ
- ທໍາຄວາມສະອາດ: Regularly clean the device with a soft, dry cloth. Avoid using liquid cleaners or aerosols.
- ການລະບາຍອາກາດ: ໃຫ້ແນ່ໃຈວ່າອຸປະກອນມີລະບາຍອາກາດພຽງພໍເພື່ອປ້ອງກັນຄວາມຮ້ອນເກີນໄປ. ຢ່າອຸດຕັນຊ່ອງລະບາຍອາກາດໃດໆ.
- ການອັບເດດເຟີມແວ: ກວດສອບຜູ້ຜະລິດເປັນໄລຍະ webສະຖານທີ່ ຫຼື ອຸປະກອນ web interface for firmware updates to ensure optimal performance and access to new features.
- ການເກັບຮັກສາ: ເມື່ອບໍ່ໄດ້ໃຊ້ເປັນເວລາດົນ, ໃຫ້ເກັບຮັກສາອຸປະກອນໄວ້ໃນບ່ອນທີ່ເຢັນ, ແຫ້ງແລ້ງຫ່າງຈາກແສງແດດໂດຍກົງ ແລະ ອຸນຫະພູມທີ່ຮຸນແຮງ.
8. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
This ORIVISION product comes with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official ORIVISION webເວັບໄຊ.
For technical support, troubleshooting assistance, or any inquiries regarding your DH931 decoder, please contact ORIVISION customer service. You can typically find contact information by:
- Checking the product packaging or included documentation.
- ການຢ້ຽມຢາມ ORIVISION Store on Amazon.
- Using the 'Contact Seller' option on your purchase platform.
ORIVISION aims to resolve your questions within 24 hours.
