ETSI TS 103 177指定了允许非线性传输多媒体的文件广播用户应用程序 内容使用DAB。本文件的主要重点是通过广播传送音频文件 网络，它也适用于其他媒体格式，如视频文件和文档，其中可能包含 格式化文本和图形的混合，例如pdf格式。具有现有DAB线性音频服务的广播公司可以使用文件广播来提供与之相关的附加内容 （但不一定直接联系）这些音频服务。同样，它也可以用于创建独立的文件广播 服务。该内容可以是一个完整的节目（播客），也可以是与线性收音机相关的附加简短内容 节目或新闻、天气或交通公告。虽然文件广播被定义为DAB用户应用程序，但它同样可以通过数字无线电Mondiale（DRM）传输， ES 201 980[i.1]。

ETSI TS 103 177 specifies the Filecasting user application which permits the non-linear delivery of multimedia content using DAB. Whilst the main focus of the present document is the delivery of audio files over a broadcast network, it is also applicable to other media formats too, such as video files and documents which may contain a mixture of formatted text and graphics, for example in pdf format.Filecasting can be used by broadcasters with existing DAB linear audio services to deliver additional content associated (but not necessarily directly linked) with these audio services. Equally it can be used to create standalone Filecast services. This content could be an entire programme (podcast), additional short-form content relating to a linear radio programme, or news, weather or traffic bulletins.Whilst Filecasting is defined as a DAB user application, it can equally be carried over Digital Radio Mondiale (DRM), ES 201 980 [i.1].