What is a Session Descriptor Protocol (SDP) File?

An SDP contains stream formatting, synchronization and connection information in a human readable form. Each transmitter broadcasts an SDP file using Session Announcment Protocol (SAP).

Other SAP enabled devices can ‘listen’ for the broadcast, and when conditions within the SDP file are recognised, an audio connection can be initiated.

Notes:	An SDP file can be manually edited in any text editor.
	Devices in an SMPTE 2110 context may be SAP enabled. Streams from devices that are SAP enabled should appear in the Advertised tab of the SDP viewer.

Some parameters contained in the SDP file are found in the E-IPA card properties tab. If you change the values here, these changes are reflected in the SDP file.

Note:

The EHX configuration software will warn of incompatibilities in the SDP header.