本文档定义了如何存储杜比大气演示文稿的音频精华和元数据。使用此规范创建的文件是DCDM的一部分，并被传递到其他进程以打包分发和回放。

This document defines how to store the audio essence and metadata for a Dolby Atmos presentation. The files created with this specification are part of the DCDM and are passed on to other processes to package for distribution and playback.