Consumer Electronic Control, or CEC, combined with HDMI cables offer great functionality and excellent multi vendor compatibility. This has only been achieved by tight collaboration amongst the manufacturers who built HDMI and CEC certified equipment. This community, founded in December 2002, by leading players in the electronics industry included Sony, Hitachi, Philips and a number of others, now numbers over 600 manufacturers today.
In order to be successful, the HDMI standards need to be defined and refined from time to time. The original HDMI 1.0 specification laid down in 2002 has been regularly updated. In fact, as soon as a specification is defined it is frozen as the standard of the next specification is already being worked on for future definition. The latest definition HDMI 1.4 was released in May 2009.
CEC harnesses the intelligence of CEC boxes, such as TVs, DVD players, set top boxes and audio payer systems. These devices need to be controlled by a remote control hand held unit. The advantage of CEC is that the standard allows devices from one manufacturer to control another manufacturer's device. CEC allows for a master slave relationship to be set up according to the required function. It is also possible to introduce specialized custom devices into the network if you have special needs. Typically a CEC/ HDMI network will consist of all of your audio and visual equipment in your home theatre entertainment.
Known as conventions, CEC interoperability is controlled tightly at the component level. This is essential, as all devices must behave in a consistent fashion according to the conventions laid down. One of the most fundamental requirements is that all of the control buttons on the remote control must perform the function on the devices as each button label describes.
The Authorized Test Centers, or ATCs, around the world are constantly testing CEC HDMI devices to ensure that there are no interoperability issues. For example, on some devices the handheld remote control will undertake an initial power status check before trying to execute a command. Doing this check on a CEC enabled device can result in a powered up device turning itself off.
This type of incompatibility is the sort that the ATC will identify and they will advise the manufacturers to resolve the problem before the new product is released onto the market. Another example that the ATC would check is to make sure that the user's saved preferences are recalled and applied. CEC devices can communicate over the HDMI cables to know that when the user selects their preferred language, that this choice should be applied across all devices for user navigation.
In order to be successful, the HDMI standards need to be defined and refined from time to time. The original HDMI 1.0 specification laid down in 2002 has been regularly updated. In fact, as soon as a specification is defined it is frozen as the standard of the next specification is already being worked on for future definition. The latest definition HDMI 1.4 was released in May 2011
In order to be successful, the HDMI standards need to be defined and refined from time to time. The original HDMI 1.0 specification laid down in 2002 has been regularly updated. In fact, as soon as a specification is defined it is frozen as the standard of the next specification is already being worked on for future definition. The latest definition HDMI 1.4 was released in May 2009.
CEC harnesses the intelligence of CEC boxes, such as TVs, DVD players, set top boxes and audio payer systems. These devices need to be controlled by a remote control hand held unit. The advantage of CEC is that the standard allows devices from one manufacturer to control another manufacturer's device. CEC allows for a master slave relationship to be set up according to the required function. It is also possible to introduce specialized custom devices into the network if you have special needs. Typically a CEC/ HDMI network will consist of all of your audio and visual equipment in your home theatre entertainment.
Known as conventions, CEC interoperability is controlled tightly at the component level. This is essential, as all devices must behave in a consistent fashion according to the conventions laid down. One of the most fundamental requirements is that all of the control buttons on the remote control must perform the function on the devices as each button label describes.
The Authorized Test Centers, or ATCs, around the world are constantly testing CEC HDMI devices to ensure that there are no interoperability issues. For example, on some devices the handheld remote control will undertake an initial power status check before trying to execute a command. Doing this check on a CEC enabled device can result in a powered up device turning itself off.
This type of incompatibility is the sort that the ATC will identify and they will advise the manufacturers to resolve the problem before the new product is released onto the market. Another example that the ATC would check is to make sure that the user's saved preferences are recalled and applied. CEC devices can communicate over the HDMI cables to know that when the user selects their preferred language, that this choice should be applied across all devices for user navigation.
In order to be successful, the HDMI standards need to be defined and refined from time to time. The original HDMI 1.0 specification laid down in 2002 has been regularly updated. In fact, as soon as a specification is defined it is frozen as the standard of the next specification is already being worked on for future definition. The latest definition HDMI 1.4 was released in May 2011
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