Opus Compression no longer Validates

Summary

Setting a sound wave to use Opus compression causes an IllegalPropertyOverride error. This has been working for in excess of a year with no issues. Its high optimised and efficient and I don’t understand why this has been removed. This has caused the project size of our sound assets to 2x because of a single setting change.

Due to the nature of the sound files we are using we had to get a quality approval from our Licensor to say they were happy with the implementation of their sounds. This change leaves us having to go back to our licensor for additional quality approvals for sounds we paid a significant amount for.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

Import a Sound Wave asset set to Opus compression type

Expected Result

No validation issues or warnings

Observed Result

Illegal Property Override warning.

Platform(s)

All

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Modifying the audio compression type in UEFN has never been allowed. The property is not exposed. How are were you able to achieve this? What are you steps to reproduce after importing a wav file into UEFN?

@BluDrive following up:

How are were you able to achieve this? What are you steps to reproduce after importing a wav file into UEFN?

FORT-1078055’s status has changed to ‘Ready for QA’. A member of the QA department is investigating the issue.

The audio is imported to UE5, then setup for optimal compression and quality and then migrated to UEFN. This never caused a warning before and from testing did not cause any issues on any of the platforms we tested on including Switch. The benefits of half memory overhead allows us to put over 20 tracks into the game for a full radio station playlist lasting in excess of an hour.