Blu-ray interface silly and indistinct? A picture easy to get (with detailed)

Taking the BDP-G4390, a fully functional Jiefang Blu-ray player, as an example, it is convenient for us to fully understand the interface of the Blu-ray player at one time. As shown above, all the interfaces and corresponding names are clear at a glance. Remembering their appearance and name is the first step in your bidding. So what exactly do these interfaces correspond to?

Optical fiber and coaxial interface are generally connected to audio equipment such as amplifiers; USB interface can be connected to U disk, mobile hard disk, wireless wifi and other devices; HDMI high-definition interface used to connect devices with HDMI interface; color and cvbs composite video interface, used to Connected to old-style TVs such as AV cable; Fast Ethernet network interface that is used to connect the cable; 2.0CH left and right channels, used to connect 2-channel power amplifier or old-fashioned TV; 7.1CH interface, connect 7.1 channel amplifier. In these interfaces, the dual HDMI interface is regarded as one of the prerequisites of the HIFI fever machine. It can achieve separation of audio and video, allowing the picture and sound to be output separately, without disturbing each other's cooperative operation, and achieving a perfect fit between tone and color.

In addition to the interface that the current general Blu-ray players have, Jetko's models also have some of our less common types of interfaces, such as the XLR interface and the RS232C interface. Where is their usefulness?

The XLR connector is commonly known as a card connector, which is totally different from the way that the RCA analog audio cable directly transmits sound. The balanced analog audio interface uses two channels to transmit signals with the same signal but opposite phases. The receiver device subtracts the two signals and the interference signal is cancelled out to obtain high-quality analog signals. It is the most widely used type of connector in professional audio systems. The Blu-ray player has an XLR connector, which means it can connect directly to professional audio and create better audiovisual effects.

RS232C is actually a standard, the full name is the EIA-RS-232C standard, which specifies the electrical characteristics, logic levels, and various signal line functions. Blu-ray player has RS232C serial port what role? Popularly speaking, the Blu-ray player can connect with the intelligent home control system through the RS232C serial port, so that the intelligent central control system can control various functions of the Blu-ray player and build a smart home system.

If you are an enthusiast or HD enthusiast and want to build a smart AV or smart home system, then when choosing a Blu-ray player, you must choose a Blu-ray player with dual HDMI, XLR and RS232C serial ports; if your home It is an old-fashioned TV set, so when choosing a Blu-ray player, you need to pay attention to whether there is a composite video interface... So, it is very necessary to figure out the interface of a Blu-ray player!