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
|Full HD Blu-ray Disc and HD DVD video||Yes||Yes||Yes||Yes||Yes||Yes||Yes|
|Consumer Electronic Control (CEC)||Yes||Yes||Yes||Yes||Yes||Yes||Yes|
|Super Audio CD (DSD)||No||No||Yes||Yes||Yes||Yes||Yes|
|Dolby TrueHD / DTS-HD Master Audio bitstream capable||No||No||No||Yes||Yes||Yes||Yes|
|Updated list of CEC commands||No||No||No||Yes||Yes||Yes||Yes|
|Ethernet channel (100 Mbit/s)||No||No||No||No||Yes||Yes||Yes|
|Audio return channel (ARC)||No||No||No||No||Yes||Yes||Yes|
|4 audio streams||No||No||No||No||No||Yes||Yes|
|2 video streams (Dual View)||No||No||No||No||No||Yes||Yes|
|Perceptual Quantizer (PQ) HDR OETF (SMPTE ST 2084)||No||No||No||No||No||Yes||Yes|
|Hybrid Log-Gamma (HLG) HDR OETF||No||No||No||No||No||Yes||Yes|
|Static HDR metadata (SMPTE ST 2086)||No||No||No||No||No||Yes||Yes|
|Dynamic HDR metadata (SMPTE ST 2094)||No||No||No||No||No||No||Yes|
|Enhanced audio return channel (eARC)||No||No||No||No||No||No||Yes|
|Variable Refresh Rate (VRR)||No||No||No||No||No||No||Yes|
|Quick Media Switching (QMS)||No||No||No||No||No||No||Yes|
|Quick Frame Transport (QFT)||No||No||No||No||No||No||Yes|
|Auto Low Latency Mode (ALLM)||No||No||No||No||No||No||Yes|
|Display Stream Compression (DSC)||No||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.
HDMI port types
HDMI STB meaning
What is HDMI stb? 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. HDMI STB is just a label that helps the user to determine the port to which the receiver, player, and game console can be connected.
HDMI DVI meaning
What is HDMI dvi? 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 and newer versions audio transmission is possible. The HDMI port supports audio, but does not support DVI on the computer. HDMI DVI ordinary port, the inscription only as an aid, you can connect any device to this port.
HDMI ARC meaning
What is HDMI ARC? 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, but in a non-compressed format only stereo.5.1 sound format is transmitted in compressed format only.
|Cable Used||HDMI||HDMI with Ethernet|
|High Bitrate & object based up to 192 kHz, 24 bit (Dolby Atmos, DTS)||No||Yes|
|Maximum Audio Bandwidth||1 Mbit/s||37Mbit/s|
|Discovery||CEC||eARC data channel|
|eARC Capability||CEC||eARC data channel|
|Lip Sync Correction||Optional||Mandatory|
|TV Mutes &Controls Volume||Yes||Yes|
|Powering TV Powers Adio Device||Yes||Yes|
In the new standard HDMI 2.1, a new designation of the reverse audio channel EARC has appeared. In EARC, the capacity of the HDMI port is increased and back it became possible to transfer not only 7.1 sound but also Dolby and DTS sound.
HDMI MHL meaning
What is HDMI MHL? 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