Description of the issue

channelConfigurationIndex (value) implies element order (expected channel config order)


ISO IEC 23003-3 (USAC):
channelConfigurationIndex: "determines the channel configuration [...] Channel configurations, meaning of channelConfigurationIndex, mapping of channel elements to loudspeaker positions"
usacElementType: "Defines the USAC channel element type of the element"

Possible solution/action

ISO IEC 23003-3:
Fix the encoder in order to set channelConfigurationIndex value to the value corresponding to the channel type order, then reencode the content.



QC.EBU.IO Test Items

Audio Coding Syntax