Ubuntu
alsa-driver package

  1. Bug #1302090
  2. Comment #66

Comment 66 for bug 1302090

Revision history for this message
Raymond (superquad-vortex2) wrote :

did you hear sound from subwoofer for both left and right channel , or only from one channel

speaker-test -c2 -t wav -D hw:0,0

speaker-test -c4 -t wav -D hw:0,0

do you hear only low frequency from the subwoofer ?

alc668 does not have any mono pin complex nor mono audio mixer for downmixing