Realtek the microphone of the sound card is a way to resolve the noise

Realtek sound card installation can be installed through the HD Audio controller to adjust some of the functions, but improper adjustment may cause mic noise, affect the microphone's voice effect. The adjustment scheme in this article is mainly for notebook models with built-in microphones in the standard, taking IdeaPad Y470 as an example.

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

The sound card driver name is Realtek high Defenation Audio

Can be seen in the Start-Control Panel-programs (Programs and functions)-Uninstall Programs list

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

1. First of all, to open the "Realtek HD Audio Manager software " That is the sound card console (please refer to the figure below A, b two methods)

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

B. You can click inside the triangle symbol on the right side of the taskbar or find the orange trumpet icon right-click to select the Sound Manager

2. Please open the main interface of Realtek HD Audio Manager , and find " microphone options " as shown in the picture.

Here the blue dot option is considered "checked," please turn off the " Long Distance pick (FFP) " feature, that is, click the " Long Distance Pickup (FFP) " button to make the button gray.

Debugging can be completed, the following you can open the QQ software, open the " Voice Test Wizard " for testing.

(Note: Some models of the Realtek HD Audio Manager will have an option to press the key sound suppression (KS) , as shown in the following figure:

(The sound card driver version number for the above test is 6.0.1.6636)

Note:

Note 1: " long distance Pickup (FFP) function is to collect sound from a bit far away from the notebook microphone, this function is opened because of the use of the environment will also pick up the sound, most of the use of the environment noisy sound will be more, so there will be so-called" murmur "phenomenon When this feature is turned off, the noise is eliminated because the voice range of the portable microphone pickup is reduced so that external sounds are not too much picked up.

Note 2: " echo cancellation (AEC) ", which eliminates the echo of the speaker in the microphone when it is used, causes the echo to continue when you use the microphone, affecting the normal voice call or recording effect.

Note 3 " pick up the sound beam Formation (BF) " That is, the directional recording function, after the opening is to ensure that the computer in the use of microphone input voice to unify the direction of the source, to avoid multiple directions to pick up noise confusion caused by noise.

Note 4: TheSAM flag is the Small array microphone Small array microphone , and the manufacturer's information appears when you click on this character.

Note 5: key Sound Suppression (KS) is the key sound when the keyboard is tapped, and if it is a built-in microphone, turning off this option will reduce the keystroke tone during recording and provide a good voice recording effect.