Find the small speaker in the lower right corner, click the right mouse button-adjust audio properties-there are two advanced levels, choose the one below.
Speaker Settings-Try to select stereo speakers.
Audio jacks: Check the connection of each jack carefully. Generally, there will be various sound problems in the venues that are not closely connected.
If there is an echo when you say it, it may be caused by the impression that the other party is loud. You can ask the other person to lower his voice and then listen for an answer.
The microphone is close to the computer;
Because the microphone and the speaker are relatively close. When talking to Mike, the sound from the public amplifier will echo in front of Mike and circulate continuously. You can turn the stereo around and put it on.