When we tell about a features of connectors in TV, declared 4 HDMI connectors. A more detailed study is that the connectors HDMI, e.g. Samsung has also addition marking of HDMI connectors: STB, DVI, ARC, MHL, what is it? And why use such a designation.
As a rule, all connectors on the TV are absolutely the same functionality and division into types (STB, MHL, ARC, DVI) is purely conventional (except MHL) and is intended to facilitate the selection of the user where that include, for example, a video player. In order that would have connectors designed for different purposes, such as one connector should be standard 1.3, in time when other is 1.4, only in this case they will have different functionality. However, some companies use diferrent types of HDMI.
MHL-this is an additional protocol video from mobile devices to the TV, and even if does not support the HDMI MHL video may be transmitted by the active adapter.
HDMI is dependent on the type of controller for signal processing (version HDMI).
Table features different versions of HDMI
|HDMI version||1.0||1.1||1.2 1.2a||1.3 1.3a 1.3b 1.3b1 1.3c||1.4 1.4a 1.4b||2.0|
|8 channel LPCM, 192 kHz, 24-bit audio capability||Yes||Yes||Yes||Yes||Yes||Yes|
|Blu-ray Disc and HD DVD video and audio at full resolution||Yes||Yes||Yes||Yes||Yes||Yes|
|Consumer Electronic Control (CEC)||Yes||Yes||Yes||Yes||Yes||Yes|
|Super Audio CD (DSD)||No||No||Yes||Yes||Yes||Yes|
|Dolby TrueHD bitstream capable||No||No||No||Yes||Yes||Yes|
|DTS-HD Master Audio bitstream capable||No||No||No||Yes||Yes||Yes|
|Updated list of CEC commands||No||No||No||Yes||Yes||Yes|
|3D over HDMI||No||No||No||No||Yes||Yes|
|Audio return channel (ARC)||No||No||No||No||Yes||Yes|
|4K resolution at 30 fps||No||No||No||No||Yes||Yes|
|4K resolution at 60 fps||No||No||No||No||No||Yes|
|Rec. 2020 color space||No||No||No||No||No||Yes|
|32 channel audio||No||No||No||No||No||Yes|
|1536 kHz audio||No||No||No||No||No||Yes|
|4 audio streams||No||No||No||No||No||Yes|
|2 video streams (Dual View)||No||No||No||No||No||Yes|
|21:9 aspect ratio||No||No||No||No||No||Yes|
HDMI connector is use for the transmission of multimedia, and easier to say digital video and audio signals from one device to another.
This HDMI input and having the designation HDMI in1 (STB) is designed to connect consoles, like as xBOX or PlayStation or receiver. But this port is also possible to connect any device.
This type of HDMI is HDMI in 2 (DVI) and use to connect to the TV computer or using TV as a display . The feauture of this connection is that the sound that DVI is unable to be transmissed. In the HDMI standard 1.4 audio transmission is possible.
The port of HDMI in3 (ARC) audio return channel, is a standard HDMI 1.4, HDMI cable other than the video signal is transmissed back from the TV to the speakers and the audio signal so that you can display with the TV and the sound.
Unlike previous versions of the sound output when it was necessary to use external speakers. Reverse channel will allow to take such a signal from the air and listen to the sound using HDMI to the connected speakers.
The port of HDMI in4 (MHL) mobile high-definition link, is used to connect to a TV and smartphone display on a television pictures or video directly from your smartphone. This connection has been implemented to the TV's HDMI interface and USB smartphone. Function is supported by the TV, and connect your smartphone MHL, in this case for video transmission needs a passive cable and it is possible to control your smartphone using Moodle from the TV. If for example the HDMI TV does not support MHL a smart phone can also be connected but it is necessary to use an active adapter with external power supply, in this case, you can watch the video, but you can not control the tv smartphone.
MHL connection allows you to connect your phone to your TV without any additional software