SMPTE and DPP develop new version of IMF

SMPTE and DPP partner to develop a new version of an Interoperable Master Format (IMF) specification for broadcast and online, to be presented before NAB 2018.

The Society of Motion Picture & Television Engineers (SMPTE) announced that the Society is working with the Digital Production Partnership (DPP) on a joint pilot specification project on IMF.

The aim of the partnership and joint pilot specification project is to create an Interoperable Master Format (IMF) specification for broadcast and online. SMPTE ST 2067, or IMF, is a global standard for the file-based interchange of multiversion, finished audio/visual works.

“One of the original DPP core objectives was to achieve a common, agreed set of technical requirements for the delivery of television programs to U.K. broadcasters, and our work on the IMF broadcast specification falls neatly in line with this goal,” said Mark Harrison, managing director at DPP. “Working with SMPTE, the North American Broadcasters Association (NABA), the European Broadcasting Union (EBU), manufacturers, and end users across the media industry, we plan to create a specification that brings the benefits of IMF more fully into the broadcast and online realm.”

“Broadcasters are looking to target new audiences and territories and monetise their programme assets over a much longer period of time,” said DPP Head of Business Development, Andy Wilson “But while they are doing that they also need to maintain quality. So the need to keep high-quality files for re-versioning for new broadcast and online deliveries is more important than ever.”

The partnership with SMPTE builds on the DPP’s analysis of the business requirements for the introduction of an international mastering format for broadcast, developed in close co-operation with the North American Broadcasters Association (NABA) and the European Broadcasting Union (EBU).

The partnership with the DPP is the first step in a wider move by SMPTE to take a new approach to standards and specifications, and will initially pilot the delivery of the IMF broadcast specification to enable the exchange of broadcast masters for broadcast and online.

Barbara Lange, Executive Director, SMPTE said, “IMF was developed to deliver a single, standardised master file for the distribution of film content into multiple territories. This collaboration between the DPP and SMPTE seeks to extend the benefits of IMF to the broadcast and online community, and comes in response to the changing media landscape where content delivery to multiple territories is increasingly the norm.”

The joint pilot project will deliver a technical specification for IMF in broadcast and online applications as a breakdown of different elements — video and audio packages, composition playlists (CPLs), and output profile lists (OPLs) — with references to all relevant SMPTE standards. Once complete, this material will be made available to manufacturers so that they can design and build readers, writers, and analyzers. The draft and final proposal stages will move forward in conjunction with a series of plugfests and product tests. The final publication of the IMF specification is expected to take place before the 2018 NAB Show.

“The IMF work is studying specific television metadata needs — from the inclusion of third-party QC reports to the metadata for compressed surround audio — of using IMF in TV applications,” said Bruce Devlin, SMPTE Governor for the U.K. Region. “These features and the specification which is built upon the IMF standard overall are critical to the realization of file-based interoperability on a large scale, as they ensure that broadcasters can use IMF workflows with their existing content archives.”

SMPTE specifications join the family of SMPTE technical publications including standards, which help manufacturers, engineers, and technologists to develop new products and services in broadcasting, cinema, and online.

“This specification pilot project breaks new ground at SMPTE,” said SMPTE Director of Engineering and Standards Howard Lukk. “This project will establish a streamlined specification framework that complements our wide range of other due-process engineering documents such as standards.”

Throughout the pilot specification project, details on progress and significant milestones will be posted on the DPP website.


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Jose Antunes

I am a writer and photographer living on the West Coast of Portugal, a place I tend to call the Atlantic Realm. An area of rugged cliffs and sandy beaches overlooking the sea, a coastal area sitting between the Atlantic Ocean waves and hills and forests with some of the most magical palaces, castles and prehistorical sites for you to visit and photograph. Little hamlets, vast fields, inviting you to a contemplative state of mind. That’s where I live, and the landscape surely makes you what you are.

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