Please, see below testing results. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x78 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x003e // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x77 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x0015 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x67 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0xf000 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x3b sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x60d9 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x33 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x8580 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x1b sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x0a6b // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x1a sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x8003 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x0f sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x02a2 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x0e sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x65c0 // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x08 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x4ab7 // good, at this line sound works well and lines below are not necessary sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x06 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x6115
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1925057 Title: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1925057/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
