Boruteczko: I have the same problem as described here. Drivers re-installation does nothing. No sound problems in original DK.
devilhood: If you could paste the information in your keeperfx.log file, it might give an indication why the game isn't playing any sounds.
Dungeon Keeper FX ver 0.4.4.1074 (standard release)
LOG CREATED @ 02:03:26 23-02-2014
Sync: LbMouseChangeMoveRatio: New ratio 256x256
Sync: CPU GenuineIntel type 0 family 6 model 10 stepping 7 features bfebfbff
Sync: PhysicalMemory 32
Sync: Memory-demanding features enabled.
Sync: LbScreenSetup: Mode 640x480x32 setup succeeded
Sync: Moon phase 0.4660
Sync: LbScreenSetup: Mode 640x480x32 setup succeeded
LbDataFree: freeing "*PALETTE"...done
LbDataFree: freeing "*SCRATCH"...done
Sync: LbMouseChangeMoveRatio: New ratio 128x128
Sync: GraphicsHeap Size 8388608
Sync: SoundHeap Size 8388608
Sync: init_sound_heap_two_banks: Got sound buffer of 8357696 bytes, samples in banks: 840,126
Sync: Pentium Pro polygon rendering on
Sync: setup_game: Speech recognition disabled: KeeperSpeech module not found
LbDataFree: freeing "data/pointer64.dat"...done
LbDataFree: freeing "data/pointer64.tab"...done
Sync: LbScreenSetup: Mode 640x480x32 setup succeeded
Sync: LbMouseChangeMoveRatio: New ratio 256x256
Sync: get_startup_menu_state: Standard startup state selected
Sync: Frontend state change from 0 into 1
Sync: Created menu ID 18 at slot 0, pos (0,0) size (640,480)
Sync: Frontend state change from 1 into 31
Sync: Created menu ID 41 at slot 0, pos (0,0) size (640,480)
Sync: Frontend state change from 31 into 3
LbDataFree: freeing "ldata/dkflag00.dat"...done
LbDataFree: freeing "ldata/dkflag00.tab"...done
Sync: Frontend state change from 3 into 7
Sync: Frontend state change from 7 into 0
LbDataFree: freeing "ldata/frontft1.dat"...done
LbDataFree: freeing "ldata/frontft1.tab"...done
LbDataFree: freeing "ldata/frontft2.dat"...done
LbDataFree: freeing "ldata/frontft2.tab"...done
LbDataFree: freeing "ldata/frontft3.dat"...done
LbDataFree: freeing "ldata/frontft3.tab"...done
LbDataFree: freeing "ldata/frontft4.dat"...done
LbDataFree: freeing "ldata/frontft4.tab"...done
LbDataFree: freeing "*FE_BACKUP_PAL"...done
Sync: LbScreenSetup: Mode 640x480x32 setup succeeded
Sync: LbMouseChangeMoveRatio: New ratio 256x256
Sync: GraphicsHeap Size 8388608
Sync: reenter_video_mode: Switched video to 640x480x32 (mode 28)
Sync: Optional file "map00001.flg" doesn't exist or is too small.
Sync: Created menu ID 1 at slot 0, pos (0,0) size (140,400)
Sync: Created menu ID 2 at slot 1, pos (0,0) size (140,400)
load_script: Used script resources: 2/16 tunneller triggers, 1/48 party triggers, 45/64 script values, 34/48 IF conditions, 2/16 party definitions
Sync: Created menu ID 16 at slot 2, pos (160,394) size (480,86)
Sync: Created menu ID 8 at slot 3, pos (236,170) size (308,120)
Sync: Created menu ID 10 at slot 4, pos (258,172) size (264,116)
LbDataFree: freeing "data/gui1-64.dat"...done
LbDataFree: freeing "data/gui1-64.tab"...done
LbDataFree: freeing "data/font2-64.dat"...done
LbDataFree: freeing "data/font2-64.tab"...done
LbDataFree: freeing "data/font1-64.dat"...done
LbDataFree: freeing "data/font1-64.tab"...done
LbDataFree: freeing "data/slab0-1.dat"...done
LbDataFree: freeing "data/gui2-64.dat"...done
LbDataFree: freeing "data/gui2-64.tab"...done
LbDataFree: freeing "*B_SCREEN"...done
Sync: LbMouseChangeMoveRatio: New ratio 256x256
Sync: get_startup_menu_state: Undecided victory state selected
Sync: Frontend state change from 0 into 3
LbDataFree: freeing "ldata/dkflag00.dat"...done
LbDataFree: freeing "ldata/dkflag00.tab"...done
Sync: Frontend state change from 3 into 1
Sync: Created menu ID 18 at slot 0, pos (0,0) size (640,480)
Sync: Frontend state change from 1 into 9
Sync: Frontend state change from 9 into 0
LbDataFree: freeing "*SCRATCH"...done
LbDataFree: freeing "*TEXTURE_PAGE"...done
LbDataFree: freeing "data/creature.tab"...done
LbDataFree: freeing "data/palette.dat"...done
LbDataFree: freeing "data/bluepal.dat"...done
LbDataFree: freeing "data/redpall.dat"...done
LbDataFree: freeing "data/lightng.pal"...done
LbDataFree: freeing "data/dogpal.pal"...done
LbDataFree: freeing "data/vampal.pal"...done