广播交换格式（BXF）定义了用于在专业系统之间交换数据和元数据的XML消息的格式和内容，如下所示:1。广播时间表，包括播放和录制时间表2。正如运行信息3。内容元数据，如内容ID、标题、持续时间等。内容管理请求，如dub和purge请求5。对内容转移的请求，其中一些将导致专业系统之间的内容本质转移。6、TCP/IP用于交换消息的端口，作为该标准的用户设想的主要系统是:程序管理系统，广播流量系统，主控自动化系统，内容分发系统。该文件作为2021套的主文档（因此其第1部分指定）。它包括BXF的一般细节以及信息性说明。 SMPTE OV-2021-0为2021文档套件提供了路线图。除非另有规定，本文件中规范性信息类型的优先顺序如下。规范性散文应为权威性定义。接下来是表格，后面是正式语言，然后是数字，然后是任何其他语言形式。如果模式与本文档中的其他信息存在冲突，则该模式具有权威性。

The Broadcast eXchange Format (BXF) defines the format and content of XML Messages for the interchange of data and metadata among professional systems, as follows:1. Broadcast schedules, including playout and record schedules2. As run information3. Content metadata, such as Content ID, Title, Duration, etc.4. Content management requests such as dub and purge requests5. Requests for transfer of content some of which will result in the transfer of Content essence between professional systems.6. Ports as used by TCP/IP for the exchange of messagesThe primary systems envisioned as users of this standard are:Program Management SystemsBroadcast Traffic SystemsMaster Control Automation SystemsContent Distribution SystemsThis document serves as the master document for the 2021 suite (thus its Part 1 designation). It includes general BXF details as well as informative notes. SMPTE OV 2021-0 provides a Roadmap for the 2021 Document Suite.Unless otherwise specified the order of precedence of the types of normative information in this document shall be as follows. Normative prose shall be the authoritative definition. Tables shall be next, followed by formal languages, then figures, and then any other language forms. In the event of a conflict between the schema and other information in this document, the schema is authoritative.