IEC 62481-2:20 17（E）描述了适用于IEC？中定义的DLNA设备类别的DLNA媒体格式配置文件。62481-1-1:2017.媒体格式配置文件是为以下每个媒体类别定义的:音频、图像和AV。此外，还引入了标识媒体集合的简档ID值。 本第三版取消并取代2013年出版的第二版，构成技术性修订。 与上一版相比，此版本包括以下重大技术变更: A）？移除音频和AV内容的可选媒体格式简档； b）？增加CVP-2器械配置文件的强制性介质格式配置文件； c）？包括解决互操作性问题的更新。

IEC 62481-2:2017(E) describes DLNA Media Format Profiles applicable to the DLNA Device Classes defined in IEC？62481-1-1:2017. Media Format Profiles are defined for each of the following Media Classes: Audio, Image, and AV. In addition, Profile ID values that identify media collections are also introduced.
This third edition cancels and replaces the second edition published in 2013, and constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a)？removal of optional media format profiles for Audio and AV content;
b)？addition of mandatory media format profiles for the CVP-2 Device Profile;
c)？includes updates to resolve interoperability issues.