Description of the issue

numPreRollFrames is (numPreRollFrames value) but <= 3 is required

References

ISO IEC 23003-3 (USAC):
numPreRollFrames: "numPreRollFrames [...] Shall not be larger than 3"

Possible solution/action

ISO IEC 23003-3:
Fix the encoder in order to set numPreRollFrames value to <= 3, then reencode the content.

Severity

Error

QC.EBU.IO Test Items

Audio Coding Syntax