The IESG has approved the following document: - 'RTP Payload for SMPTE ST 291-1 Ancillary Data' (draft-ietf-payload-rtp-ancillary-12.txt) as Proposed Standard This document is the product of the Audio/Video Transport Payloads Working Group. The IESG contact persons are Adam Roach, Alexey Melnikov and Ben Campbell. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-payload-rtp-ancillary/ Technical Summary This memo describes an RTP Payload format for SMPTE Ancillary data, as defined by SMPTE ST 291-1. SMPTE Ancillary data is generally used along with professional video formats to carry a range of ancillary data types, including time code, Closed Captioning, and the Active Format Description (AFD). Working Group Summary The document was presented once during a meeting and follow-up revisions have been made based on the WG consensus. This version has been through 2 IETF last calls. The WG made material changes after the initial last call, due to feedback from implementors and external experts. Document Quality There are two known implementations: BBC Research & Development and Snell Advanced Media. The following vendors have committed to implement the protocol: COVELOZ, Imagine Communications, Lawo, Grass Valley, Utah Scientific. Personnel Ali Begen is the doc shepherd, Ben Campbell is the responsible AD.
