By PURPLELEC | 10 August 2024 | 0 Comments
What to do if there is no sound when capturing video with capture card
When the capture card captures video without sound, the possible reasons and solutions are as follows:
1. Check the video source
Confirm that the video source has sound:
First, confirm whether the video source (such as camera, camcorder, game console, computer, etc.) connected to the capture card can output sound normally.
You can directly connect the video source to other devices (such as TV, monitor, computer, etc.) without going through the capture card to test the sound output.
Check the connection cable:
Make sure that the cable connecting the video source and the capture card (such as HDMI cable, SDI cable, etc.) is intact and connected correctly.
Try to replace the cable to eliminate the possibility of cable failure.
2. Check the capture card settings
Driver installation:
Make sure that the driver of the capture card is installed correctly. The driver is the bridge for communication between the capture card and the computer. Missing or wrong drivers may cause the sound to fail to be captured.
Visit the official website of the capture card manufacturer to download and install the latest version of the driver.
Audio input settings:
Check the audio input settings in the capture software (such as OBS Studio, PotPlayer, etc.). Make sure the correct audio input device (i.e. the audio input of the capture card) is selected.
If the capture software supports it, you can try to adjust the volume, gain and other parameters in the audio input settings.
3. Check the capture software
Software compatibility:
Confirm the compatibility between the capture software and the capture card. Some low-priced capture cards may have poor compatibility with certain capture software.
If possible, try to change other capture software to test whether the sound can be captured normally.
Audio output settings:
Check the audio output settings in the capture software. Make sure the audio output device is set correctly and the sound is not muted or adjusted to a very low volume.
If the capture software supports it, you can try to select the "Monitor" option in the audio output settings to monitor the captured sound in real time.
4. Other possible causes and solutions
System sound settings:
Check the computer's system sound settings to make sure that the audio output device of the capture card is not muted or disabled.
In Windows, you can check and manage sound devices through the "Control Panel" -> "Sound" -> "Playback" and "Recording" tabs.
Hardware failure:
If the above steps cannot solve the problem, there may be a hardware failure in the capture card itself.
At this time, you can try to connect the capture card to another computer for testing, or contact the capture card manufacturer for after-sales support.
5. Summary
The problem of no sound when capturing video with a capture card may be caused by a variety of reasons, including video source, connection cable, capture card settings, capture software, and system sound settings. When troubleshooting the problem, you need to check these possible reasons one by one and take corresponding solutions. If the problem still cannot be solved, it is recommended to contact the capture card manufacturer or relevant technical support personnel for further consultation and help.
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