diff --git a/src/conf/alsa.conf b/src/conf/alsa.conf
index 0998058..c4525f0 100644
--- a/src/conf/alsa.conf
+++ b/src/conf/alsa.conf
@@ -67,8 +67,7 @@ defaults.pcm.nonblock 1
 defaults.pcm.compat 0
 defaults.pcm.minperiodtime 5000		# in us
 defaults.pcm.ipc_key 5678293
-defaults.pcm.ipc_gid audio
-defaults.pcm.ipc_perm 0660
+defaults.pcm.ipc_perm 0600
 defaults.pcm.dmix.max_periods 0
 defaults.pcm.dmix.channels 2
 defaults.pcm.dmix.rate 48000
diff --git a/src/conf/alsa.conf.config b/src/conf/alsa.conf.config
new file mode 100644
index 0000000..0998058
--- /dev/null
+++ b/src/conf/alsa.conf.config
@@ -0,0 +1,629 @@
+#
+#  ALSA library configuration file
+#
+
+# pre-load the configuration files
+
+@hooks [
+	{
+		func load
+		files [
+			"/etc/alsa/conf.d"
+			"/etc/asound.conf"
+			"~/.asoundrc"
+		]
+		errors false
+	}
+]
+
+# load card-specific configuration files (on request)
+
+cards.@hooks [
+	{
+		func load
+		files [
+			{
+				@func concat
+				strings [
+					{ @func datadir }
+					"/cards/aliases.conf"
+				]
+			}
+		]
+	}
+	{
+		func load_for_all_cards
+		files [
+			{
+				@func concat
+				strings [
+					{ @func datadir }
+					"/cards/"
+					{ @func private_string }
+					".conf"
+				]
+			}
+		]
+		errors false
+	}
+]
+
+#
+# defaults
+#
+
+# show all name hints also for definitions without hint {} section
+defaults.namehint.showall off
+# show just basic name hints
+defaults.namehint.basic on
+# show extended name hints
+defaults.namehint.extended off
+#
+defaults.ctl.card 0
+defaults.pcm.card 0
+defaults.pcm.device 0
+defaults.pcm.subdevice -1
+defaults.pcm.nonblock 1
+defaults.pcm.compat 0
+defaults.pcm.minperiodtime 5000		# in us
+defaults.pcm.ipc_key 5678293
+defaults.pcm.ipc_gid audio
+defaults.pcm.ipc_perm 0660
+defaults.pcm.dmix.max_periods 0
+defaults.pcm.dmix.channels 2
+defaults.pcm.dmix.rate 48000
+defaults.pcm.dmix.format "unchanged"
+defaults.pcm.dmix.card defaults.pcm.card
+defaults.pcm.dmix.device defaults.pcm.device
+defaults.pcm.dsnoop.card defaults.pcm.card
+defaults.pcm.dsnoop.device defaults.pcm.device
+defaults.pcm.front.card defaults.pcm.card
+defaults.pcm.front.device defaults.pcm.device
+defaults.pcm.rear.card defaults.pcm.card
+defaults.pcm.rear.device defaults.pcm.device
+defaults.pcm.center_lfe.card defaults.pcm.card
+defaults.pcm.center_lfe.device defaults.pcm.device
+defaults.pcm.side.card defaults.pcm.card
+defaults.pcm.side.device defaults.pcm.device
+defaults.pcm.surround21.card defaults.pcm.card
+defaults.pcm.surround21.device defaults.pcm.device
+defaults.pcm.surround40.card defaults.pcm.card
+defaults.pcm.surround40.device defaults.pcm.device
+defaults.pcm.surround41.card defaults.pcm.card
+defaults.pcm.surround41.device defaults.pcm.device
+defaults.pcm.surround50.card defaults.pcm.card
+defaults.pcm.surround50.device defaults.pcm.device
+defaults.pcm.surround51.card defaults.pcm.card
+defaults.pcm.surround51.device defaults.pcm.device
+defaults.pcm.surround71.card defaults.pcm.card
+defaults.pcm.surround71.device defaults.pcm.device
+defaults.pcm.iec958.card defaults.pcm.card
+defaults.pcm.iec958.device defaults.pcm.device
+defaults.pcm.modem.card defaults.pcm.card
+defaults.pcm.modem.device defaults.pcm.device
+# truncate files via file or tee PCM
+defaults.pcm.file_format	"raw"
+defaults.pcm.file_truncate	true
+defaults.rawmidi.card 0
+defaults.rawmidi.device 0
+defaults.rawmidi.subdevice -1
+defaults.hwdep.card 0
+defaults.hwdep.device 0
+defaults.timer.class 2
+defaults.timer.sclass 0
+defaults.timer.card 0
+defaults.timer.device 0
+defaults.timer.subdevice 0
+
+#
+#  PCM interface
+#
+
+# redirect to load-on-demand extended pcm definitions
+pcm.cards cards.pcm
+
+pcm.default cards.pcm.default
+pcm.sysdefault cards.pcm.default
+pcm.front cards.pcm.front
+pcm.rear cards.pcm.rear
+pcm.center_lfe cards.pcm.center_lfe
+pcm.side cards.pcm.side
+pcm.surround21 cards.pcm.surround21
+pcm.surround40 cards.pcm.surround40
+pcm.surround41 cards.pcm.surround41
+pcm.surround50 cards.pcm.surround50
+pcm.surround51 cards.pcm.surround51
+pcm.surround71 cards.pcm.surround71
+pcm.iec958 cards.pcm.iec958
+pcm.spdif iec958
+pcm.hdmi cards.pcm.hdmi
+pcm.dmix cards.pcm.dmix
+pcm.dsnoop cards.pcm.dsnoop
+pcm.modem cards.pcm.modem
+pcm.phoneline cards.pcm.phoneline
+
+pcm.hw {
+	@args [ CARD DEV SUBDEV ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_PCM_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.pcm.card
+			}
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func igetenv
+			vars [
+				ALSA_PCM_DEVICE
+			]
+			default {
+				@func refer
+				name defaults.pcm.device
+			}
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.subdevice
+		}
+	}		
+	type hw
+	card $CARD
+	device $DEV
+	subdevice $SUBDEV
+	hint {
+		show {
+			@func refer
+			name defaults.namehint.extended
+		}
+		description "Direct hardware device without any conversions"
+	}
+}
+
+pcm.plughw {
+	@args [ CARD DEV SUBDEV ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_PCM_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.pcm.card
+			}
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func igetenv
+			vars [
+				ALSA_PCM_DEVICE
+			]
+			default {
+				@func refer
+				name defaults.pcm.device
+			}
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.subdevice
+		}
+	}		
+	type plug
+	slave.pcm {
+		type hw
+		card $CARD
+		device $DEV
+		subdevice $SUBDEV
+	}
+	hint {
+		show {
+			@func refer
+			name defaults.namehint.extended
+		}
+		description "Hardware device with all software conversions"
+	}
+}
+
+pcm.plug {
+	@args [ SLAVE ]
+	@args.SLAVE {
+		type string
+	}
+	type plug
+	slave.pcm $SLAVE
+}
+
+pcm.shm {
+	@args [ SOCKET PCM ]
+	@args.SOCKET {
+		type string
+	}
+	@args.PCM {
+		type string
+	}
+	type shm
+	server $SOCKET
+	pcm $PCM
+}
+
+pcm.tee {
+	@args [ SLAVE FILE FORMAT ]
+	@args.SLAVE {
+		type string
+	}
+	@args.FILE {
+		type string
+	}
+	@args.FORMAT {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.file_format
+		}
+	}
+	type file
+	slave.pcm $SLAVE
+	file $FILE
+	format $FORMAT
+	truncate {
+		@func refer
+		name defaults.pcm.file_truncate
+	}
+}
+
+pcm.file {
+	@args [ FILE FORMAT ]
+	@args.FILE {
+		type string
+	}
+	@args.FORMAT {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.file_format
+		}
+	}
+	type file
+	slave.pcm null
+	file $FILE
+	format $FORMAT
+	truncate {
+		@func refer
+		name defaults.pcm.file_truncate
+	}
+}
+
+pcm.null {
+	type null
+	hint {
+		show {
+			@func refer
+			name defaults.namehint.basic
+		}
+		description "Discard all samples (playback) or generate zero samples (capture)"
+	}
+}
+
+#
+#  Control interface
+#
+	
+ctl.sysdefault {
+	type hw
+	card {
+		@func getenv
+		vars [
+			ALSA_CTL_CARD
+			ALSA_CARD
+		]
+		default {
+			@func refer
+			name defaults.ctl.card
+		}
+	}
+	hint.description "Default control device"
+}
+ctl.default ctl.sysdefault
+
+ctl.hw {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_CTL_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.ctl.card
+			}
+		}
+	}
+	type hw
+	card $CARD
+	hint.description "Direct control device"
+}
+
+ctl.shm {
+	@args [ SOCKET CTL ]
+	@args.SOCKET {
+		type string
+	}
+	@args.CTL {
+		type string
+	}
+	type shm
+	server $SOCKET
+	ctl $CTL
+}
+
+#
+#  RawMidi interface
+#
+
+rawmidi.default {
+	type hw
+	card {
+		@func getenv
+		vars [
+			ALSA_RAWMIDI_CARD
+			ALSA_CARD
+		]
+		default {
+			@func refer
+			name defaults.rawmidi.card
+		}
+	}
+	device {
+		@func igetenv
+		vars [
+			ALSA_RAWMIDI_DEVICE
+		]
+		default {
+			@func refer
+			name defaults.rawmidi.device
+		}
+	}
+	hint.description "Default raw MIDI device"
+}
+
+rawmidi.hw {
+	@args [ CARD DEV SUBDEV ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_RAWMIDI_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.rawmidi.card
+			}
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func igetenv
+			vars [
+				ALSA_RAWMIDI_DEVICE
+			]
+			default {
+				@func refer
+				name defaults.rawmidi.device
+			}
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default -1
+	}
+	type hw
+	card $CARD
+	device $DEV
+	subdevice $SUBDEV
+	hint {
+		description "Direct rawmidi driver device"
+		device $DEV
+	}
+}
+
+rawmidi.virtual {
+	@args [ MERGE ]
+	@args.MERGE {
+		type string
+		default 1
+	}
+	type virtual
+	merge $MERGE
+}
+
+#
+#  Sequencer interface
+#
+
+seq.default {
+	type hw
+	hint.description "Default sequencer device"
+}
+
+seq.hw {
+	type hw
+}
+
+#
+#  HwDep interface
+#
+
+hwdep.default {
+	type hw
+	card {
+		@func getenv
+		vars [
+			ALSA_HWDEP_CARD
+			ALSA_CARD
+		]
+		default {
+			@func refer
+			name defaults.hwdep.card
+		}
+	}
+	device {
+		@func igetenv
+		vars [
+			ALSA_HWDEP_DEVICE
+		]
+		default {
+			@func refer
+			name defaults.hwdep.device
+		}
+	}
+	hint.description "Default hardware dependent device"
+}
+
+hwdep.hw {
+	@args [ CARD DEV ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_HWDEP_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.hwdep.card
+			}
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func igetenv
+			vars [
+				ALSA_HWDEP_DEVICE
+			]
+			default {
+				@func refer
+				name defaults.hwdep.device
+			}
+		}
+	}
+	type hw
+	card $CARD
+	device $DEV
+	hint {
+		description "Direct hardware dependent device"
+		device $DEV
+	}
+}
+
+#
+#  Timer interface
+#
+
+timer_query.default {
+	type hw
+}
+
+timer_query.hw {
+	type hw
+}
+
+timer.default {
+	type hw
+	class {
+		@func refer
+		name defaults.timer.class
+	}
+	sclass {
+		@func refer
+		name defaults.timer.sclass
+	}
+	card {
+		@func refer
+		name defaults.timer.card
+	}
+	device {
+		@func refer
+		name defaults.timer.device
+	}
+	subdevice {
+		@func refer
+		name defaults.timer.subdevice
+	}
+	hint.description "Default timer device"
+}
+
+timer.hw {
+	@args [ CLASS SCLASS CARD DEV SUBDEV ]
+	@args.CLASS {
+		type integer
+		default {
+			@func refer
+			name defaults.timer.class
+		}
+	}
+	@args.SCLASS {
+		type integer
+		default {
+			@func refer
+			name defaults.timer.sclass
+		}
+	}
+	@args.CARD {
+		type string
+		default {
+			@func refer
+			name defaults.timer.card
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func refer
+			name defaults.timer.device
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default {
+			@func refer
+			name defaults.timer.subdevice
+		}
+	}
+	type hw
+	class $CLASS
+	sclass $SCLASS
+	card $CARD
+	device $DEV
+	subdevice $SUBDEV
+	hint {
+		description "Direct timer device"
+		device $DEV
+	}
+}
diff --git a/src/conf/pcm/dmix.conf b/src/conf/pcm/dmix.conf
index 7fa5c8b..97936a8 100644
--- a/src/conf/pcm/dmix.conf
+++ b/src/conf/pcm/dmix.conf
@@ -48,10 +48,6 @@ pcm.!dmix {
 		@func refer
 		name defaults.pcm.ipc_key
 	}
-	ipc_gid {
-		@func refer
-		name defaults.pcm.ipc_gid
-	}
 	ipc_perm {
 		@func refer
 		name defaults.pcm.ipc_perm
diff --git a/src/conf/pcm/dmix.conf.config b/src/conf/pcm/dmix.conf.config
new file mode 100644
index 0000000..7fa5c8b
--- /dev/null
+++ b/src/conf/pcm/dmix.conf.config
@@ -0,0 +1,123 @@
+#
+# dmix output
+#
+
+pcm.!dmix {
+	@args [ CARD DEV SUBDEV FORMAT RATE CHANNELS ]
+	@args.CARD {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.dmix.card
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dmix.device
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default 0
+	}
+	@args.FORMAT {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.dmix.format
+		}
+	}
+	@args.RATE {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dmix.rate
+		}
+	}
+	@args.CHANNELS {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dmix.channels
+		}
+	}
+	type dmix
+	ipc_key {
+		@func refer
+		name defaults.pcm.ipc_key
+	}
+	ipc_gid {
+		@func refer
+		name defaults.pcm.ipc_gid
+	}
+	ipc_perm {
+		@func refer
+		name defaults.pcm.ipc_perm
+	}
+	slave {
+		pcm {
+			type hw
+			card $CARD
+			device $DEV
+			subdevice $SUBDEV
+		}
+		format $FORMAT
+		rate $RATE
+		channels $CHANNELS
+		period_size {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"defaults.dmix."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".period_size"
+				]
+			}
+			default 1024
+		}		
+		period_time {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"defaults.dmix."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".period_time"
+				]
+			}
+			default -1
+		}		
+		periods {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"defaults.dmix."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".periods"
+				]
+			}
+			default 16
+		}
+	}
+	hint {
+		show {
+			@func refer
+			name defaults.namehint.extended
+		}
+		description "Direct sample mixing device"
+		device_output $DEV
+	}
+}
diff --git a/src/conf/pcm/dsnoop.conf b/src/conf/pcm/dsnoop.conf
index abbd44f..528fb6a 100644
--- a/src/conf/pcm/dsnoop.conf
+++ b/src/conf/pcm/dsnoop.conf
@@ -41,10 +41,6 @@ pcm.!dsnoop {
 		@func refer
 		name defaults.pcm.ipc_key
 	}	
-	ipc_gid {
-		@func refer
-		name defaults.pcm.ipc_gid
-	}
 	ipc_perm {
 		@func refer
 		name defaults.pcm.ipc_perm
diff --git a/src/conf/pcm/dsnoop.conf.config b/src/conf/pcm/dsnoop.conf.config
new file mode 100644
index 0000000..abbd44f
--- /dev/null
+++ b/src/conf/pcm/dsnoop.conf.config
@@ -0,0 +1,115 @@
+#
+# dsnoop
+#
+
+pcm.!dsnoop {
+	@args [ CARD DEV SUBDEV FORMAT RATE ]
+	@args.CARD {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.dsnoop.card
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dsnoop.device
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default 0
+	}
+	@args.FORMAT {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.dmix.format
+		}
+	}
+	@args.RATE {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dmix.rate
+		}
+	}
+	type dsnoop
+	ipc_key {
+		@func refer
+		name defaults.pcm.ipc_key
+	}	
+	ipc_gid {
+		@func refer
+		name defaults.pcm.ipc_gid
+	}
+	ipc_perm {
+		@func refer
+		name defaults.pcm.ipc_perm
+	}
+	slave {
+		pcm {
+			type hw
+			card $CARD
+			device $DEV
+			subdevice $SUBDEV
+		}
+		format $FORMAT
+		rate $RATE
+		period_size {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"cards."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".pcm.dsnoop.period_size"
+				]
+			}
+			default 1024
+		}		
+		period_time {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"cards."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".pcm.dsnoop.period_time"
+				]
+			}
+			default -1
+		}		
+		periods {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"cards."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".pcm.dsnoop.periods"
+				]
+			}
+			default 16
+		}
+	}
+	hint {
+		show {
+			@func refer
+			name defaults.namehint.extended
+		}
+		description "Direct sample snooping device"
+		device_input $DEV
+	}
+}