Description of the issue

Default loudness is present (value) times but only 1 instance is recommended

Groups

General compliance
Best practice

References

ISO IEC 23003-3 (USAC):
loudnessInfo: Not explicitly forbidden but recommended practice to ensure consistent behavior across different implementations

ISO IEC 23003-4 (DRC):
loudnessInfo

Possible solution/action

ISO IEC 23003-3:
Configure or update the encoder in order to set only 1 instance of Default loudness, then reencode the content.

Severity

Warning