By PURPLELEC | 11 July 2024 | 0 Comments
Video Capture Card Selection Guide
The selection of video capture cards involves many aspects, including but not limited to connection type, built-in/external selection, resolution, decoding mode, brand and model, etc. The following is a detailed selection guide:
1. Clarify the purpose and needs of purchase
Use scenario: First, clarify the scenario in which the DVI video capture card will be used, such as professional video processing, game live broadcast, conference recording, etc. Different usage scenarios have different performance requirements for capture cards.
Signal source: Determine the type of signal to be captured, including DVI, VGA, HDMI, etc. DVI capture cards can usually support multiple signal inputs, but the specific models may vary.
2. Connection type and built-in/external selection
Connection type: Select a suitable capture card based on the interface type of the computer or device. Most modern computers support PCIe slots, while some portable devices or laptops may require an external capture card with a USB interface.
Built-in/external:
Built-in capture card: Usually installed on the computer motherboard through the PCIe slot, it has a fast transmission speed and is not prone to screen freezes or delays. Suitable for long-term use and high performance requirements.
External capture card: Connect to the computer via USB interface, which is more portable and suitable for users who need to change the usage scene frequently. However, you need to pay attention to the version and speed of the USB interface to avoid affecting the transmission effect.
3. Resolution and decoding mode
Resolution: Choose the appropriate resolution according to your needs. For users who need HD or UHD video, you should choose a capture card that supports high resolution. At the same time, note that the resolution of the capture card should match the computer monitor to obtain the best display effect.
Decoding mode: The decoding mode affects the image quality. Common decoding modes include RGB32, RGB24, YUY2, YV12, MJPEG, etc. In order of image quality from high to low, RGB32>RGB24>YUY2>YV12>MJPEG. When purchasing, you can choose the appropriate decoding mode according to actual needs.
4. Brand and model selection
Brand reputation: Choose products from well-known brands, such as Magewell, AVerMedia, AVerMedia, etc. These brands have a high reputation and reputation in the market, and the product quality and after-sales service are guaranteed.
Model comparison: Within the same brand, different models of capture cards may have differences in performance, price, functions, etc. Therefore, you need to make a detailed model comparison when purchasing and choose the model that best suits your needs.
5. Other considerations
Hardware requirements: Confirm whether the hardware requirements of the capture card match your computer. Including the number of PCIe slots, CPU performance, memory size, etc.
Software compatibility: Make sure that the capture card is compatible with commonly used video processing software or live broadcast platforms.
After-sales service: Understand the brand's after-sales service policy, including warranty period, repair service, etc.
The selection of video capture cards requires comprehensive consideration of multiple aspects. When purchasing, it is recommended to make a detailed comparison and selection based on your actual needs to obtain the best user experience.
Leave a Reply
Your email address will not be published.Required fields are marked. *