Composite video interface (AV interface or Video interface), was once the most common kind of video interface, almost all televisions, DVD players have this interface. It is audio, video separation of video interfaces, generally by the yellow, white, red 3-way three independent RCA plugs (also known

What is USB-A?A USB "Type A" connection refers to the physical design of a USB port. Every USB connection consists of a port on a host device, a connecting cable, and a receiver device. usb-a is a traditional USB host port design and is one of the most easily recognized devices.It is a hor

Product StyleAudio and video cables, the connection head is more like a lotus, so called "Lotus head", or called "Lotus plug" (English name for the RCA connector).RCA connector is not specifically designed for which interface, but can be used both in the transmission of audio, bu

High Definition Multimedia Interface (English: High Definition Multimedia Interface, HDMI) is a digital video/audio interface technology, is suitable for image transmission of the special type of digital interface, which can simultaneously transmit audio and video signals, the highest data transfer

1、What is USB4USB4 is the latest generation of USB transmission standards, backward compatible with USB 2.0, USB 3.2 and Thunderbolt 3, in fact, it is based on ThunderBolt 3, added to complement and develop the USB 2.0 and USB 3.2 standards.USB4 has two types of transmission bandwidths, one is 20Gb

HDMI Version 1.1This is the first version of HDMI.The original version 1.1 of HDMI only supports 1080i standard signal, but it can't fully support 1080P HD specification. A few years ago, it was able to basically satisfy users' needs. By now, only supporting 1080i format can no longer meet t

1, from the point of view of signal transmission, AV cable due to only R, G, B and other three-color signal line, the transmission of analog signals, only the transmission of video signals or audio signals, can not be achieved at the same time the transmission of two kinds of signals, hdmi transmiss

Users with a certain understanding of audio-visual equipment for HDMI fiber optic cable and HDMI high-definition cable will not be unfamiliar, before the more widely used VGA, DVI and other wires, are audio-visual signal transmission needs to be used in the wire, if the user is interested in high-de

The positive and negative ground wires of the XLR cable are metal strips, and the stability conductivity is superior to that of the RCA cable, because its positive and negative ground wires are independent, and the signal is more favorable to counteract the interference, so it is said that commercia

(A) the use of the difference: USB cable used as a cell phone and computer direct data transfer bridge,while the charging cable is used for charging. In the use of USB cable can be used as a charging cable,but the charging cable can not be connected to the phone and the computer as a data transfer f

Twisted-pair cable can be divided into unshielded twisted-pair (UTP) and shielded twisted-pair (STP) shielded twisted-pair cable is wrapped by the outer layer of aluminum platinum to reduce radiation, but does not completely eliminate the radiation, shielded twisted-pair cable is relatively high in

Commonly Used Connecting Cables and Connectors in Audio SystemsAudio system equipment and equipment to reach between the contact transmission, communication, etc.,must rely on its connection tool, which is the wire and connector. It occupies a very important role in thewhole audio system, now the pr

The hdmi supports 165hz refresh rate. However, it is necessary that the interface of the device is hdmi2.1, and the hdmi connecting cable is also hdmi2.1 cable, so that the device can transmit 1080P 165hz picture. If the interface or cable does not meet the standard, then the actual picture will not

Basic types:1, COM interface: COM interface, also known as serial port, is connected to the back of the desktopcomputer, is being eliminated . Advantages are inexpensive, support for brushing (some cell phonescan only use the serial port line brush);2, USB interface: USB interface is the mainstream,

USB data cable is widely used in all kinds of household appliances, computer equipment, high-definition TV, set-top boxes, mobile hard disk boxes, tablet computers, cell phones, smart bracelets, mobile power, projectors, medical equipment, monitoring and security equipment and communication equipmen