Official Realtek Audio Driver，Contains for the use of Linux source code version，So first step is to download High Definition depending on the wafer or the Driver AC'97。
After the entry page Realtek neck 請由，Order to select the "Download Center – High Definition或是AC'97 – Linux Driver"。
The download is complete，First extract，閱讀裡頭的Readme，Clearly written in the Readme inside the compile process，其中提到RedHat user可直接使用Automatic install，ubuntu user is recommended to use manual install。
Follow the instructions executed sequentially：
./configure
make
sudo make install
Upon completion reboot，If no sound，Sound management will mute to open it。
[Links]
- Realtek
- Otaku not to go out，Kept in the dark world affairs: Ubuntu 安裝 Realtek 音效驅動
