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diff --git a/src/conf/alsa.conf b/src/conf/alsa.conf
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index 1889f01..60c12ac 100644
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--- a/src/conf/alsa.conf
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+++ b/src/conf/alsa.conf
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@@ -66,8 +66,7 @@ defaults.pcm.nonblock 1
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 defaults.pcm.compat 0
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 defaults.pcm.minperiodtime 5000		# in us
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 defaults.pcm.ipc_key 5678293
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-defaults.pcm.ipc_gid audio
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-defaults.pcm.ipc_perm 0660
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+defaults.pcm.ipc_perm 0600
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 defaults.pcm.dmix.max_periods 0
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 defaults.pcm.dmix.rate 48000
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 defaults.pcm.dmix.format "unchanged"
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diff --git a/src/conf/pcm/dmix.conf b/src/conf/pcm/dmix.conf
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index e62cb29..a005488 100644
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--- a/src/conf/pcm/dmix.conf
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+++ b/src/conf/pcm/dmix.conf
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@@ -41,10 +41,6 @@ pcm.!dmix {
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 		@func refer
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 		name defaults.pcm.ipc_key
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 	}
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-	ipc_gid {
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-		@func refer
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-		name defaults.pcm.ipc_gid
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-	}
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 	ipc_perm {
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 		@func refer
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 		name defaults.pcm.ipc_perm
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diff --git a/src/conf/pcm/dsnoop.conf b/src/conf/pcm/dsnoop.conf
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index 49cfca9..842e1fb 100644
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--- a/src/conf/pcm/dsnoop.conf
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+++ b/src/conf/pcm/dsnoop.conf
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@@ -41,10 +41,6 @@ pcm.!dsnoop {
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 		@func refer
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 		name defaults.pcm.ipc_key
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 	}	
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-	ipc_gid {
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-		@func refer
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-		name defaults.pcm.ipc_gid
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-	}
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 	ipc_perm {
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 		@func refer
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 		name defaults.pcm.ipc_perm