Hello friends! I am looking to input and output video using a Blackmagic Design DeckLink 8K Pro in Unreal 5.3 or Unreal 5.2.
The video outputs fine. However, the audio is not outputting correctly.
The audio input to Unreal is 1 & 2 channel and 3 & 4 channel, but I can only output 1 & 2 channel.
Is there a specific way to output multi-channel audio?
To output multi-channel audio with the Blackmagic Design DeckLink 8K Pro in Unreal Engine (UE) 5.2 or 5.3, you need to ensure that Unreal Engine is correctly configured to handle and route multi-channel audio. Here’s a step-by-step guide to help you troubleshoot and set this up:
Audio Mixer Settings: Ensure that the Audio Mixer in Unreal Engine is set up to handle multi-channel audio. You can check this by navigating to Edit → Project Settings → Engine → Audio, and ensuring the settings align with your requirements for multi-channel audio.
Sound Cue Configuration: If you’re using Sound Cues or Sound Classes, ensure that they are set up to handle multi-channel output. You might need to adjust the settings in your Sound Cue asset to ensure it is routing audio correctly.
Output Device Configuration: Make sure that the audio output device in Unreal Engine is configured to support multi-channel output. This can usually be set in the Audio section of the Project Settings, where you can specify the number of channels.
Blackmagic Desktop Video Utility: Open the Blackmagic Desktop Video Utility and ensure that the audio settings are correctly configured. Check that the input and output settings are aligned with your expectations for multi-channel audio.
Video Output Settings: Ensure that the video output settings in the Blackmagic utility are set to handle multi-channel audio. You might need Receiptify Spotify to adjust settings to specify that audio should be sent through channels 1-4 instead of just 1-2.
Audio Tracks: Verify that the audio tracks in your Unreal Engine project are correctly assigned to the desired output channels. You might need to check the audio mixing and routing settings to confirm this.
Channel Mapping: Confirm that the channel mapping for the DeckLink 8K Pro is correctly set up in your project. Unreal Engine might require you to explicitly map audio channels to ensure they’re being routed properly.
Test Audio Output: Use a simple audio output test to ensure that all channels are functioning correctly. You can create a test sound in Unreal Engine and output it across all channels to verify if the issue is with the audio routing or the hardware.
Update Drivers and Software: Ensure that you have the latest drivers and software updates for your Blackmagic DeckLink 8K Pro. Sometimes issues can be resolved by updating to the latest version.
Documentation and Support: Refer to the documentation for both Unreal Engine and Blackmagic DeckLink for specific instructions and troubleshooting tips. Sometimes there are known issues or specific settings required for multi-channel audio.
Was this answer generated by ChatGPT?
Almost certainly, it’s pure AI slop, there isn’t a single correct statement in that whole thing, the link it provides is to a spotify receipt creation website. Unreal cannot be configured to multichannel inputs without significant c++ modifications.
Look at ther only other reply by this user, same nonsense including a random link in the middle - My Unreal Engine 5.4.3 does not work on linux - #2 by susan789wolfe
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