The HDMI port seems to be an indispensable connection port on electronic devices such as televisions , laptops , allowing users to transmit content such as sound and images to large presentation devices and devices. other. In this article, let's learn about HDMI connection with WebTech360 !
What is HDMI?
HDMI (short for High-Definition Multimedia Interface) is a digital connection standard capable of transmitting original video as well as high quality sound on the same cable through the HDMI port.
HDMI port
Before HDMI, users could only stream content on analog cables, and had to use 3 video connection cables plus 6 analog audio cables. Now, only a cable and a single port is needed to connect and transmit data.
Structure of HDMI cable and HDMI connection port
About HDMI cable, this cable is composed of 19 pins and each pin ensures different tasks and in the data transmission process must comply with certain rules.
Structure of HDMI cable and HDMI connection port
The HDMI port uses a 19-pin connector and comes in three main sizes: standard A (standard HDMI - standard), standard C (mini HDMI), and standard D (micro HDMI). Of the three standards above, the A standard is by far the most commonly used standard. In addition, we have one more standard, the E-standard used in automated applications.
How is HDMI superior to other cables?
HDMI enables the transmission of image data with near-original quality, better than any standard cable standard today. For more detail, you can stream Full HD 1080p video at a frame rate of 60fps.
As for audio, the HDMI standard supports up to 8 channels of 24-bit audio at 192Hz, which you can easily find in high-quality audio systems like Dolby TrueHD and DTS-HD Master Audio.
Popular types of HDMI
Popular types of HDMI
There are 5 types of cable popular today such as:
Standard HDMI cable - supports up to 1080i / 60Hz resolutions only.
- High Speed HDMI Cable - supports resolutions above 1080p, Deep Color feature, 3D format
Standard HDMI cable with Ethernet.
- High speed HDMI cable with Ethernet
- HDMI Automotive cable - supports connecting external equipment to HDMI equipment in the car.
What devices support HDMI port
HDMI-enabled device
You can easily see the HDMI port on laptops, TVs, HD camcorders, or Compact cameras, DSLRs for miniHDMI ports. To connect with a mini HDMI cable, you must use a cable that one end is a normal port and the other is a mini port. Or you take a regular cable and add an adapter that converts from HDMI to miniHDMI.