ubuntu 调节音量命令 声卡驱动

alsamixer

安装驱动http://www.realtek.com/downloads/downloadsCheck.aspx?Langid=1&PNid=24&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false

http://www.cnblogs.com/bigmengzi/archive/2011/11/22/2259601.html