Release notes, help and other fun stuff like that !

Version 0.93 (14.10.2026)

  • Added the HDMI 1.4, CEC 2.0 and HDMI 2.1 messages: Audio Return Channel (C0-C5), Short Audio Descriptor (A3, A4), Set Audio Volume Level (73), Give/Report Features (A5, A6), Current Latency (A7, A8), Latency Indication Protocol (50-58) and CDC (F8)
  • Added CEC versions 1.4 and 2.0, device types CEC Switch and Video Processor, abort reason "Undetermined" and the 1.4/2.0 remote control buttons
  • Logical addresses 9 (Recording 3), C/D (Backup 1/2) and E (Specific Use) are now named correctly
  • Fixed a crash when decoding a message without its parameters, and wrong values for digital broadcast systems 10 and above

Version 0.92 (26.08.2011)

  • Added addresing mode ("Directly addressed" or "Broadcast") within the description of the command

Version 0.91

  • CEC frame separator configurable
  • Added release notes & help

Version 0.9

  • First public version
  • Most of the HDMI-CEC specification Version 1.3a messages are supported
  • Not yet supported messages:
    • Msg ID 07: Tuner device status
    • Msg ID 09: Record on
    • Msg ID 35: Timer status

Frame separator

  • By default the frame separator is ":"
  • It can be modified by choosing up to two characters in the input field on the left side of the frame input

CEC-O-MATIC v0.93 - Tool based on HDMI-CEC specification Version 1.3a, with the HDMI 1.4, CEC 2.0 and HDMI 2.1 messages, more information on hdmi.org.

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