What to do if a notebook microphone with a Realtek sound card appears noisy

Knowledge Point Analysis:

Realtek sound card after the correct installation of the driver can be adjusted through the HD Audio controller part of the function, but improper adjustment may cause the mic to appear noise, affect the voice effect of the microphone, the following article describes the corresponding solution (the adjustment in this article mainly for the standard built-in microphone notebook models, Take IdeaPad Y470 as an example)

Operation Steps:

Please note: Before adjusting, please make sure the computer has a standard built-in microphone, whether the sound card driver is installed properly, and please temporarily turn off QQ or other software that needs to call the microphone before adjusting.

Sound card driver name Realtek high Defenation Audio

You can see it in the Start-Control Panel-programs (Programs and features)-Uninstall a program list

This article takes the Windows 7 operating system as an example to introduce the built-in microphone debugging method.

1. First to open the "Realtek HD Audio Manager Software" that is the sound card console (please refer to the following figure, A, b two methods)

A. You can open the sound card console by using the left mouse button click Start-Control Panel-Hardware and sound-realtek HD Audio Manager

B. You can click inside the triangle symbol to the right of the taskbar or find the Orange trumpet icon right click to select Sound Manager;

2. Open the main interface of the Realtek HD Audio Manager and find the "microphone options" as shown in the figure.

The option to have a blue dot is considered "checked", please turn off the "long distance pickup (FFP)" function, or click the "Long Distance pickup (FFP)" button to make the button gray;

Debugging can be completed, the following you can open the QQ software, opened the "Voice Test Wizard" to test.

(Note: Some models of the Realtek HD Audio Manager will have more than one key-press-suppress (KS) option, as shown in the following figure:

)

(The sound card driver version number shown above is 6.0.1.6636)

Note:

The function of "long distance pickup (FFP)" is to collect sound from a bit farther from the notebook microphone, which will be picked up by the use of the ambient sound, most of the noisy sound will be more, so there will be a so-called "noise" phenomenon; When this feature is turned off, The sound range of the notebook microphone pickup is reduced, so the external sound is not picked up too much, which eliminates the "noise" effect.

The echo cancellation (AEC) feature, which eliminates the echo of the notebook's own speakers when using the microphone, turns off and causes you to echo continuously when using the microphone, affecting normal voice calls or recording effects.

"Pick-up beam formation (BF)" is a directional recording function, which is to ensure that the computer in the microphone input sound when the direction of unified sound source, to avoid multi-directional pickup noise caused by confusion.

The SAM flag is the small array microphone small array microphone, which appears when you click on this character to open the manufacturer's information.

Press-button sound suppression (KS) is the key sound when the keyboard is tapping, and if it is a built-in microphone, turning off this option will decrease the keystroke tone during recording and provide a good voice recording effect.