# creates a new alsaboost device that takes over sound card
pcm.alsaboost {
    type asym
    playback.pcm {
        type hw
        card 0
    }
    #software gain upto 50dB for digital microphone
    capture.pcm {
        type softvol
        slave.pcm "hw:0,0"
        control {
            name "+50dB Mic Capture Volume"
            card 0
        }
        max_dB 50.0
    }
}
ctl.alsaboost {
  type hw
  card 0
}