Frequently asked question

What is HLG and do I need it for IPTV?

HLG (Hybrid Log-Gamma) for IPTV:Purpose: Broadcast HDR standard developed by BBC and NHK. Designed for live TV where dynamic metadata is impractical.IPTV prevalence: Very common on live sports, news, and entertainment channels from European and Asian...

Updated on June 5, 2026 1 min read

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HLG (Hybrid Log-Gamma) for IPTV:

  • Purpose: Broadcast HDR standard developed by BBC and NHK. Designed for live TV where dynamic metadata is impractical.
  • IPTV prevalence: Very common on live sports, news, and entertainment channels from European and Asian broadcasters.
  • Device support: Universal — all HDR-capable TVs and IPTV boxes support HLG automatically.
  • Backward compatible: HLG streams display correctly on SDR displays too, unlike HDR10 which can look washed out on non-HDR TVs.

No special configuration is needed. If your box is set to Auto HDR output, it signals HLG to your TV automatically when a stream uses it.

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