A Call for Comment on DRAFT AES70-4-xxxx: AES standard for audio applications of networks – Open Control Architecture – Part 4: OCP.2 JSON-based protocol was published on 2025-11-21.
AES70 is a suite of standards for control and monitoring of devices in professional media networks. This Standard, AES standard for audio applications of networks – Open Control Architecture -Part 4: JSON-based protocol, defines a JSON-based protocol for using AES70 over IP networks and point-to-point links.
Other standards in the AES70 suite specify concepts and mechanisms, control and monitoring functional repertoire, and media transport management applications.
AES70 does not specify a media transport scheme. Rather, it is designed to operate with media transport schemes such as the one specified by AES67.
AES70’s intended range of use spans networks of all sizes. This includes mission-critical applications, high-security applications, IP and non-IP networks, and local and wide-area applications. AES70 can control real or virtual devices located on premises or hosted by cloud services. AES70 consumes little computing power and uses network bandwidth lightly.
AES70 architecture is network-agnostic. Current AES70 standards define protocols for use over IP networks and simple byte-stream networks, but other network types may readily be accommodated.
AES70 is based on the Open Control Architecture (OCA), originally developed by the OCA Alliance.
Go to AES Connect / Call For Comment / Documents to download the DRAFT document. The file is named aes70-4-xxxx-251029-cfc.pdf and is in Adobe Acrobat (PDF) format. There is also a zip file containing the supporting files referenced in Annex A and Annex B.
You need to establish an account on AES Connect, but there is no charge. Persons unable to obtain draft documents from the web site may request a copy by email from the secretariat.
