Softvelum integrates DVB teletext forwarding into Nimble Streamer Transcoder
Softvelum has introduced DVB teletext forwarding in its Nimble Streamer Transcoder to allow for the preservation of metadata across MPEGTS-based protocols. The update enables engineers to pass teletext through transcoding workflows by configuring specific input and output parameters.
Key Takeaways
- DVB teletext forwarding is now supported across SRT, MPEGTS UDP, Zixi, and RIST protocols within Nimble Streamer.
- Engineers must enable the 'dvb_subtitles_processing_enabled' parameter in the nimble.conf file before utilizing the feature.
- Granular control allows teletext to be enabled or disabled for specific encoder outputs within a single transcoding scenario.
- The functionality enables the preservation of accessibility metadata, such as regional services and subtitles, during video processing.
Why It Matters
This update addresses a persistent technical hurdle in hybrid broadcast-OTT environments: the loss of legacy DVB metadata when moving to IP-based transcoding. By ensuring teletext survival across SRT and RIST, Softvelum simplifies the path for traditional broadcasters to migrate to software-defined delivery while meeting strict EU and global accessibility mandates. In an ecosystem shifting toward converged DVB-I and DVB-NIP standards, maintaining this metadata layer is critical for downstream compliance and service discovery. Watch for whether other software transcoders follow suit with native metadata preservation as satellite-to-IP workflows scale globally by late 2026.
Additional Context
The emphasis on maintaining DVB metadata comes as the industry moves toward standardized hybrid delivery. Per DVB Project reports from June 2026, the organization recently approved significant BlueBook updates for DVB-I, focusing on securing service discovery across combined broadcast and broadband networks. These updates coincide with trials in Europe and Oceania designed to bridge the gap between traditional linear TV and IP-delivered content while ensuring that metadata and accessibility signaling remain interoperable across varying platforms. Softvelum’s technical focus on broadcast-grade features for Nimble Streamer has accelerated throughout early 2026. According to official release notes from July 2026, the company recently added native SDI input and output support for Blackmagic-compatible hardware, further narrowing the gap between hardware-based broadcast infrastructure and software-defined streaming. This follows their May 2026 introduction of AI-powered speech recognition to generate WebVTT subtitles, reflecting a broader market move toward automated accessibility workflows. Broader industry trends suggest that B2B streaming infrastructure is evolving into a profitability-focused era where operational efficiency and metadata integrity are key. According to Zype’s 2026 OTT strategy analysis, lean engineering teams are increasingly required to manage hundreds of endpoints with automated, structured metadata tools. This transition is essential as broadcasters face global regulatory pressures, such as the European Accessibility Act, which have standardized the requirement for robust subtitling and teletext support across all digital distribution platforms.
Read full article at softvelum.com
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