As immersive and object-based audio formats are increasingly adopted across broadcast and streaming platforms, reliable production and mastering workflows are becoming critical. Object-based audio formats like MPEG-H Audio enable personalized and interactive listening experiences but also introduce new technical challenges.
“As immersive audio becomes mainstream, the challenge is no longer just creation – it’s ensuring that complex audio objects and metadata remain fully intact and verifiable throughout the entire delivery chain,” says Laurence Stoll, Chief Executive Officer of Marquise Technologies.
To meet these requirements, specialized mastering environments are essential, providing tools to assemble, inspect, validate, and export deliverables that fully support modern immersive audio workflows.
Mastering Video and MPEG-H Audio
Marquise Technologies’ MIST is a mastering solution designed to simplify the creation and preparation of files containing both video and MPEG-H Audio. It allows operators to assemble video and audio, inspect immersive audio metadata, monitor audio behavior, and generate deliverables ready for playout or encoding:
- Asset and Timeline Assembly
Video and MPEG‑H Audio assets are imported into MIST and combined within a single program timeline. MPEG‑H Audio content is automatically recognized and processed through the integrated MPEG‑H Renderer. - Inspection of Immersive Audio Structures
The mastering environment provides visibility into MPEG‑H metadata, audio programs, and user-selectable interactive elements, enabling verification of both structure and creative intent. - Audio Monitoring and Compliance Analysis
Integrated monitoring tools support loudness measurement, level control, and signal distribution analysis to maintain technical accuracy. - Rendering and Synchronized Playback
Video and MPEG‑H Audio are rendered and played back in sync directly from the mastering timeline. - Preparation of Delivery Formats
A range of export options tailored for broadcast and media distribution workflows is available to maintain compatibility with playout, encoding, and distribution systems. - Quality Control and Workflow Validation
Post‑export QC tools allow analysis of rendering behavior across stereo, multichannel, and binaural playback scenarios, support error detection, and enable the generation of detailed compliance reports.
MIST supports common production formats such as MPF, BWF/ADM, and MXF/S‑ADM to ensure continuity across the workflow. For detailed specifications and in‑depth technical information, please refer to the related Academy article.
Enabling Next-Generation Audio Workflows
As immersive audio technologies expand across broadcast and streaming ecosystems, efficient and transparent workflows become increasingly important.
Solutions like MIST play a pivotal role by providing a centralized environment for assembling, inspecting, and validating video and MPEG-H Audio content.
By supporting industry-standard production formats, integrated monitoring tools, and flexible export options, MIST empowers broadcasters and content creators to confidently deliver high-quality immersive audio experiences for modern media distribution pipelines.
“MIST enables comprehensive quality control of both audio and video assets while ensuring that MPEG-H metadata is fully validated before final delivery. The ability to directly compare the rendered bitstream signal against the original master is a significant advancement, bringing a new level of confidence to the QC process”, says Yannik Grewe, Senior Manager – Media Technologies and Business Development at Fraunhofer IIS. “MIST is a great addition to the MPEG-H ecosystem, and we are very pleased to have collaborated with Marquise Technologies to bring this capability to life.”
