Teradek T-RAX
firmware v8.2.5
Teradek · Released Mar 7, 2019 · First seen Jul 11, 2026
v8.2.5 is not the latest firmware for the Teradek T-RAX: the current version is v8.2.26 (January 6, 2025). Go to v8.2.26
What's in this update
Teradek Firmware Version 8.2.5
New Features
- Added 'Auto Format Conversion' option to 7xx decoders
- Enabled is default behavior, allows conversion between incoming streams and decoder output formats
- Disabling this option prevents audio/video sync drifting, requires matching stream and output formats
- More info here: https://support.teradek.com/hc/en-us/articles/360019240394-700-series-decoders-format-conversion-and-audio-video-sync
- Added RTMPS support
- Added individual SDI audio channel selection (Custom audio pair selection)
Changes and
Improvements
- Improved audio/video sync robustness - see auto format conversion option above
- Improved decoder stability
- Bitrate can be changed without interrupting broadcasts
- Web UI mobile display improvements -- Removed separate scrolling panels in web UI and other
improvements
- Use FFMPEG to generate HLS segments
- Moved Sputnik selection into 'Advanced Settings' on cloud services page
7xx encoders and decoders
- Quickview stream defaults to H.264
Bug Fixes
- Bond module was sometimes not detected
- Core-enabled Sputnik listing did not display all servers
- Network connections could be reset when connecting/disconnecting modems
- HTTP Live segment size, playlist length settings were ignored
- Fixed some issues with NFS share compatibility
- Could not log out from YouTube via front panel
7xx encoders and decoders
- Decoder audio/video sync would drift after some time, see auto format conversion option
- Decoder 1080i output only displayed 1 field
- Decoder audio playback could stop after ~7 hours in some scenarios
- Twitch audio/video sync drifted with 50/60 fps video
6xx encoders and decoders
- Sputnik video stream could stop after some time when streaming out to RTMP destinations
- Bonding protocol changes did not take effect until after a codec restart
- HLS streaming did not start automatically on boot up, required codec restart
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