What does CEC mean on a TV

CEC, Consumer Electronics Control, means Consumer Electronics Control Channel. This channel allows you to control the interaction and control of devices on the HDMI CEC Network.CEC is useful in that users are able to control multiple CEC-enabled smart devices with a single remote control, eliminating the need for multiple remotes to control devices such as televisions (TVs), set-top box products, and audio/video players.

With the HDMI CEC function, the following functions can be realized:

1. Remote Control: Through the TV remote control, you can simply control the external HDMI CEC devices, such as up, down, left, right, OK, return, and volume adjustment of digital amplifiers.

2, standby control: in the remote control of the TV shutdown, the TV will control the external HDMI CEC device also into standby mode, eliminating the need for complex operations;

3, the TV automatically turn on: in the open external HDMI CEC device, the TV will automatically turn on after receiving the device's commands, eliminating the need for the TV to turn on the action;

4, A key to play: In the case of the TV on, external HDMI CEC devices (such as DVD) in the boot or start broadcasting, the TV automatically switches to the device corresponding to the HDMI channel, eliminating the need for users to switch the TV signal source operation;

5, ARC function: that is, the audio back to the function of the HDMI cable will be connected to the TV's ARC port and the support of the ARC of the digital amplifier, the TV will be digital audio signals through HDMI cable to the digital amplifier to support the ARC connection. The TV will pass the digital audio signal to the amplifier through the HDMI cable, eliminating the need for coaxial or spdif cables between the TV and the digital amplifier.

Expanded Information:

April 2002, Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, Toshiba, and seven other companies*** ** with the formation of the HDMI high-definition multimedia interface organization, began to work on the development of a new digital video/audio interface technology in line with the standards of the high-definition era.

In December 2002, the HDMI organization officially released the HDMI 1.0 version of the standard, marking the official entry of HDMI technology into the history of the stage. HDMI not only meets the 1080P resolution, but also support for DVD Audio and other digital audio formats, support for the eight-channel 96kHz or stereo 192kHz digital audio transmission, you can transmit uncompressed audio signals and video signals. HDMI can be used in set-top boxes, DVD players, personal computers, videophones, integrated amplifiers, digital stereos, and televisions, and can transmit both audio and video signals.

Reference: