What Are The Meanings Of The Audio Holes

What is the meaning of the 3.5MM Audio Connector on the back of the main case of a desktop computer?
Pink, green -- 1, blue are the Audio input ports (linear output). The linear output interface of external audio devices can be connected to this Connector with a double-ended 3.5MM Audio Connector to receive high-fidelity audio signals and input them to the computer. 2, grass green is the audio output, that is, we used to connect headphones, speakers interface. How to connect the audio cable, red, white and black, and red, blue and green,3.5 head -- It is necessary to check whether the audio cable of the power amplifier is complete, remove the rubber covering of the audio cable, and expose the copper wire inside. Wires of different colors should be connected to the interface of the same color as the wire, do not connect randomly. When inserting the line, be sure to put the line firmly stuck in the stereo above, be sure to be very firm. The audio cable passes through a small 3.5 audio head with three antennas, which are red, blue and yellow. How to connect them to separate the RL channel? Three wires are easy to separate, and one of them is the ground wire, which is the common wire. You can divide it like this: red/blue. Yellow/blue or red/yellow, blue/yellow. The common end is connected to the outer ring of the 3.5 socket (connected to the end with the buckle). The other end is connected to the two ends of the inner core. Audio cable three blue black yellow line how to connect? The three cables are not audio cables, but AV cables (one yellow, one red and one white) or chromatic aberration lines (red, green and blue). For the first time, I know there are blue, black and yellow lines. Audio cables are usually one red and one white. Usually it is connected with the socket color.