Why Does A Normal Computer Microphone Have Echo?

Why does a normal computer microphone have echo?

Because ordinary voice has not fully popularized omnidirectional microphones yet, most people still use microphones on ordinary computers, and other microphones such as microphones and gooseneck microphones have their own advantages in remote video conferencing, which is characterized by large pickups. But in the teleconference, there will inevitably be an echo. What is the reason for this?

The first MIC is only responsible for picking up the microphone itself and not doing any processing, directly into the computer, audio and audio transmission to each other. The transmission of sound through remote video conferencing software produces sound or two echoes. The MIC is then transmitted again, which produces an echo.

So everyone is in a remote video conference, it is recommended to choose a professional video conference omnidirectional microphone to avoid echo, echo cancellation, noise reduction,