USB ➝ HDMI - Know everything !

Mounting a smartphone to a TV with a converter
Mounting a smartphone to a TV with a converter

USB ➝ HDMI



The HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
connector is a connector with 19 pins, USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
has only 4.
The data formats for both are very different, so even with the right conductors connected to each other, the information transferred by the computer is not recognized directly by television.
Except for MHL-enabled devices (Mobile High-definition Link)
OR recently USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C cables (important : see below).
Micro USB cables to passive HDMI
Micro USB cables to passive HDMI

Passive MHL Cable

Indeed, there are Micro USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
to HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
cables called MHL compatible. These are not standard USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
micro sockets. This MHL interface performs several simultaneous functions :
- transfer of a 1080p quality image,
- transfer of 8 uncompressed audio tracks,
- charging the phone,
- copy protection (HDCP).

In this case, the TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
or HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
-side projector must also be MHL-compatible.
Not all televisions and smartphones are equipped with these MHL-enabled ports, so check it before choosing your adaptive solution.
Micro USB cables 2.0 to HDMI active
Micro USB cables 2.0 to HDMI active

Active MHL Cable

With this type of connection, you can then look at the screen of an MHL-enabled smartphone or tablet on a non-MHL screen or projector.
This device, Plug-and-Play, is used to receive the computer's audio and video signal, via the USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
port and to convert the HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
signal.

A standard male USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
cable is used to connect the converter to the computer's USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
port and a standard male-male HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
cable to connect the converter to the TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
.
These converters operate with a USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
port version 2.0 at least.
Power can be made by this USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
port, thus avoiding any other connection or by a dedicated USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
port.

The computer should be located near the television, whenever possible.
Category 1 HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
cables can only be used up to 5 metres (15 feet) and HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
2 cables can only be used up to 15 metres (49 feet).
Schematic of pins connecting Micro-USB to HDMI and supporting MHL
Schematic of pins connecting Micro-USB to HDMI and supporting MHL

Micro-USB wiring to HDMI

The MHL TMDS (purple and green) data lines use differential pairs in both USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
2.0 (Data and Data) and HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
(TMDS Data 0) and Data 0.
TMDS : Transition Minimized Differential Signaling
MHL control bus reuses identification USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
On-The-Go (pin 4), and detection of hot branchING HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
(pin 19), but respects the connection of the feed pins.
Super MHL uses a Type C USB port
Super MHL uses a Type C USB port

The Super MHL

Another type of active converter exists that uses a USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C port.
You should know that the USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C interface allows the transport of video and audio, it meets the Super MHL standard that comes to compete with the HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
.

The super MHL can transmit with an image definition of 7,680 × 4,320 pixels (8K), in 120 Hz ensuring total compatibility with the USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C interface.
The super MHL adds the ability to switch a current to charge a tablet or smartphone connected to the screen, with a maximum power of 40 W (up to 20V and 2A).

You can also connect a device with a super MHL USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C port to an HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
with an active super MHL cable.

The return of passive cable

With the arrival of the USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C connector, there has been a renewed interest in simple and passive cables. Indeed, USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-IF has done the right thing to make and use USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C cable to HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
, DisplayPort and MHL.
In addition, the next screens will also be USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C compatible, so there will not even be a conversion to do : the cable to be used will be USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C to USB
USB
The USB bus is also said to \Hot pluggable\, that is to say that you can connect and disconnect a USB with the PC on. The system installed on the PC (Windows, linux...) recognizes it immediately. The USB has a very interesting feature : it's the mode standby when not using the device. Also known as \Power conservation\ : Indeed the USB bus gets suspended after 3 ms if it is no longer used. During this mode, the co......
-C.
Dongles New Technologies
Dongles New Technologies

Dongles

New technologies are also geared towards dongles : more universal, they work at the software level rather than at the hardware level. The best known and most widely used Dongle is Google's Chromecast.
This type of equipment contains a powerful micro-controller that, in addition to the software protection aspect, provides encryption, data security and network-sharing features.

These devices work with virtually all versions of Android and all screens, TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
s or video projectors with an HDMI
HDMI
HDMI is a fully digital audio/video interface that transmits uncompressed encrypted streams. HDMI is used to connect an audio/video source (DVD player, Blu-ray player, computer or game console) to a high-definition TV.
HDMI supports all video formats, including standard, improved, high-definition definition and multichannel sound. HDMI encapsulanses video data by TMDS. Initially, the maximum HDMI transmission......
socket.
Indeed, rather than requiring manufacturers of televisions or video projectors to be compatible with a technology like MHL, some have developed this small equipment that already works with the existing fleet.
High-resolution or very high-resolution TV
High-resolution or very high-resolution TV

Recall on televisions HD

HDTV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
(high-definition television) derives from computer technologies. LCD
Led TV
Purposes and eco-compatible TVs because of their drop in energy consumption, are said to be \Led\; the acronym of Light-Emitting Diode in English. We will retain all short \diode\.
General principle : a white light colour and form images When examined closely, each point on the screen is actually composed of three sub-items : the sub-pixels (red, green, blue), each more or less intensely lit. These points, ......
screens or LED
Led TV
Purposes and eco-compatible TVs because of their drop in energy consumption, are said to be \Led\; the acronym of Light-Emitting Diode in English. We will retain all short \diode\.
General principle : a white light colour and form images When examined closely, each point on the screen is actually composed of three sub-items : the sub-pixels (red, green, blue), each more or less intensely lit. These points, ......
computer monitors are produced with 1080p, 4K or even 8K resolutions.

These high-resolution or very high-resolution screens were designed for computers, and then an interface was added to make them living room televisions.

- 1080p or 720p refer to the resolution of the screen. This number refers to the number of vertical pixels.
- 4K refers to a resolution 4096×2160 pixels i.e. 2160 vertical pixels.

Today's TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
s use the following formats :

- 720p 1280 pixels wide by 720 pixels high.
- 1080p 1920 pixels wide by 1080 pixels high.
- 4K 4096 pixels wide by 2160 pixels high.
- 4K Ultra wide TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
5120 pixels wide by 2160 pixels high.
- 8K 7680 pixels wide by 4320 pixels high.

Before HDTV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
, TV
Digital terrestrial TV
Two major types of broadcasting exist for television; the so-called analogue and digital television. The analogue television appeared the first. This is widely spread around the world. However, this type of diffusion is ageing and not very innovative.
For this reason analogue television is currently tending to disappear to give way to digital television. Digital television is largely based on analogue televisio......
broadcasting had only 480 vertical lines. What is called today 480p. In addition, we have gone from a 4 : 3 image format to a 16 : 9 format. This was done because of the film industry, which has long used a format Widescreen 16:9 for his creations.

Computer screens have grown and have smaller pixels. An original VGA
VGA
This cable is used to connect a graphics card to an analog computer screen. The VGA connector consists of 15 pins arranged in three rows. This port is available in two generations : the original version and the DDC2 version, which allows automatic~type monitors.
Some laptops have a miniature version of this connector, the mini......
monitor had only 640 x 480 pixels.
Today the video is watched on computer as well as on living room television.
These screens are compatible, only formats and resolution differentiate them.
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