Are all HDMI interfaces common?
Any device with an HDMI interface can use an HDMI cable, but HDMI also has different interfaces, such as Micro HDMI (micro) and Mini HDMI (mini).
The interface specification of Micro HDMI is 6*2.3mm, and the interface specification of Mini HDMI is 10.5*2.5mm, which is generally used for the connection of cameras and tablets. The interface specification of the standard HDMI is 14 *4.5mm, and you must pay attention to the size of the interface when purchasing, so as not to buy the wrong interface.
Is there a length limit for HDMI cables?
Yes, when connecting with an HDMI cable, it is not recommended that the distance is too long. Otherwise, the transmission speed and signal quality will be affected. As shown in the figure below, the resolution of 0.75 meters to 3 meters can reach 4K/60HZ, but when the distance is 20 meters to 50 meters, the resolution only supports 1080P/60HZ, so pay attention to the length before purchasing.
Can the HDMI cable be cut off and connected by itself?
HDMI cable is different from the network cable, the internal structure is more complicated, cutting and reconnecting will greatly affect the signal quality, so it is not recommended to connect yourself.
In work and life, it is inevitable to encounter the situation that the HDMI cable is not long enough, and it can be extended with an HDMI extension cable or an HDMI network extender. The HDMI extension cable is a male-to-female interface that can be extended over short distances.
THE HDMI network extender is composed of two parts, the transmitter and the receiver, the TWO ends are connected to the HDMI cable, and the middle is connected with the network cable, which can be extended by 60-120m.
HdMI connection does not respond after connection?
Specifically to see what device is connected, if it is connected to the TV, then first confirm that the TV signal input channel is "HDMI input", according to the HDMI cable and the TV socket selection, setting method: menu - input - signal source - interface.
If the computer is mirrored to the TV, you can try to adjust the computer refresh rate to 60Hz first, and the resolution is adjusted to 1024* 768 before setting the TV resolution. Setting mode: Desktop right-click mouse -properties-settings-extension mode.
If it is a laptop, you need to switch the output screen to open and switch the second monitor, and some computers need to be turned off or connected to restart.
Does HDMI support audio transmission?
HDMI line supports simultaneous transmission of audio and video, and HDMI lines above version 1.4 all support ARC function, but the line is too long to affect the signal quality.
Post time: Apr-07-2022