4K SDI Firmware Release Notes

4K SDI Firmware Release Notes

4K SDI Firmware Release Notes

04/04/25
Firmware 5.5.330
This release contains the following new features:
  1. NDI HX2 and HX3 are here!
  2. 3 New and revamped operation modes include:
    1. HB | HX Encode mode allows you to encode both a high bandwidth and HX NDI stream at the same time
    2. HB | HX Decode mode allows you to decode either high bandwidth or NDI HX streams
    3. New HB 1x1 operation mode now you can encode and decode at the same time over the SDI ports!
  3. For HX3 depending on your framerate and resolution the encoder will configure to specified HX3 settings
  4. For HX2 you are able to select from 3 presets or customize your bitrate and GOP settings.
This release contains the following fixes:
  1. Audio not properly reactivating after source's audio disappear or source reboot
  2. Device scramble after video restart or resolution change
  3. DHCP timeout minimum setting increased from 2 to 10 seconds
  4. UI Dashboard now refreshes properly
Known Limitations:
  1. 29.97 and 59.94 Refresh rate sources may not output via the Decoder.  Please use 30 or 60 if you encounter problems.
  2. Low Latency Mode is experimental and may not work with some sources and results may vary
  3. 4K60p H264 may have some performance issues, use H265 for better performance.
  4. API for Channel 2 is not fully implemented, some commands will not work in dual channel modes
  5. Currently cannot change device operation mode with an API Command
  6. When decoding interlaced video formats, it may be required to adjust the field order (A/V tab) in the converter BirdUI.
08/22/24
Firmware 5.5.308
Must be on 5.5.273 Firmware or higher to update
(See NDI 5 Download on website)

This release contains the following fixes:
  1. Fixed payload ID issue to accept signals without ST352 payload
  2. Fixed Character limit issue, can now enter up to 32 character per channel
Known Limitations:
  1. API for Channel 2 is not fully implemented, some commands will not work in dual channel modes
  2. During device restart or changing resolutions on decode source will output a scrambled feed for a couple of seconds.
  3. Currently cannot change device operation mode with an API Command
  4. When decoding interlaced video formats, it may be required to adjust the field order (A/V tab) in the converter BirdUI.
--------------------------------------------------------------------------------

06/04/24
Firmware 5.5.301
--------------------------------------------------
Must be on 5.5.273 Firmware to update
(See NDI 5 Download on website)
This release contains the following new features:

     AV Setup Tab
  1. New Dual Channel Encode Mode 
    1. Now you can have the 2nd SDI Connector used for a 2nd independent NDI stream
  2. New Dual Channel Decode Mode
    1. In addition to an SDI OUT decoder, now the HDMI OUT can also be used as its own independent NDI stream decoder

This release contains the following fixes:
  1. Tally Delay fixed when in Single Channel Encode Mode
  2. Q-sys API Decode status now properly populates info
  3. Fixed visual signal scramble when hot-plugging HDMI cable
  4. Resolved NDI Audio bug that required toggle between mute and active when changing to a new decode source
  5. NDI Groups now properly working with Studio Monitor discovery
  6. OLED spacing and information updating optimized
  7. API Reboot command after changing operation modes now works correctly
  8. UI Dashboard now properly updates streaming status
Known Limitations:
  1. In some instances you may see flickering in single channel HDMI Decode at 4K60p, set the 4K HDMI operation mode to dual channel decode in order to resolve this issue
  2. API for Channel 2 is not fully implemented, some commands will not work in dual channel modes
  3. Currently cannot change device operation mode with an API Command
  4. When decoding interlaced video formats, it may be required to adjust the field order (A/V tab) in the converter BirdUI.

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