сделай файл ~/.asoundrc



#asym fun start here. we define one pcm device called "dmixed"
   pcm.dmixed {
       ipc_key 1025
       type dmix
       slave.pcm "hw:0,0"
   }

   #one called "dsnooped" for capturing
   pcm.dsnooped {
       ipc_key 1027
       type dsnoop
       slave.pcm "hw:0,0"
   }

   #and this is the real magic
   pcm.asymed {
       type asym
       playback.pcm "dmixed"
       capture.pcm "dsnooped"
   }

   #a quick plug plugin for above device to do the converting magic
   pcm.pasymed {
       type plug
       slave.pcm "asymed"
   }

   #a ctl device to keep xmms happy
   ctl.pasymed {
       type hw
       card 0
   }

   #for aoss:
   pcm.dsp0 {
       type plug
       slave.pcm "asymed"
   }

   ctl.mixer0 {
       type hw
       card 0
   }