FAQ044

From the ALSA wiki

Is there a way to combine more than one alsa device into a single OSS compatible device? For instance a USB Microphone for capture and an onboard soundcard for output that can be accessed as a single OSS compatible device?

Take a look at this example ~/.asoundrc:

pcm.dsp0 {
   type plug
   slave {
      pcm {
         type asym
         playback.pcm dmix:0
         capture.pcm dsnoop:1
      }
   }
}

Now start your OSS-application with the aoss-wrapper. It should capture from card 1 but output to card 0.