本标准定义了通用标签、通用音频通道、声场组和声场组组的名称和符号，以标记IMF Audio Essential。本标准还提供了有关命名未来可能定义的其他音频频道、声场组和声场组组的信息指导。

This standard defines Universal Labels, names and symbols for common Audio Channels, Soundfield Groups and Group of Soundfield Groups for the purpose of labeling IMF audio essence.This standard also provides informative guidance on naming additional Audio Channels, Soundfield Groups and Group of Soundfield Groups that may be defined in the future.