diff --git a/audio.c b/audio.c
index 78463fb..8746bb5 100644
--- a/audio.c
+++ b/audio.c
@@ -1,7 +1,7 @@
 ///
 ///	@file audio.c		@brief Audio module
 ///
-///	Copyright (c) 2009 - 2013 by Johns.  All Rights Reserved.
+///	Copyright (c) 2009 - 2014 by Johns.  All Rights Reserved.
 ///
 ///	Contributor(s):
 ///
@@ -132,6 +132,7 @@ static const char *AudioModuleName;	///< which audio module to use
 static const AudioModule *AudioUsedModule = &NoopModule;
 static const char *AudioPCMDevice;	///< PCM device name
 static const char *AudioPassthroughDevice;	///< Passthrough device name
+static char AudioAppendAES;		///< flag automatic append AES
 static const char *AudioMixerDevice;	///< mixer device name
 static const char *AudioMixerChannel;	///< mixer channel name
 static char AudioDoingInit;		///> flag in init, reduce error
@@ -1007,6 +1008,26 @@ static snd_pcm_t *AlsaOpenPCM(int passthrough)
 	Info(_("audio/alsa: using %sdevice '%s'\n"),
 	    passthrough ? "pass-through " : "", device);
     }
+    //
+    // for AC3 pass-through try to set the non-audio bit, use AES0=6
+    //
+    if (passthrough && AudioAppendAES) {
+#if 0
+	// FIXME: not yet finished
+	char *buf;
+	const char *s;
+	int n;
+
+	n = strlen(device);
+	buf = alloca(n + sizeof(":AES0=6") + 1);
+	strcpy(buf, device);
+	if (!(s = strchr(buf, ':'))) {
+	    // no alsa parameters
+	    strcpy(buf + n, ":AES=6");
+	}
+	Debug(3, "audio/alsa: try '%s'\n", buf);
+#endif
+    }
     // open none blocking; if device is already used, we don't want wait
     if ((err =
 	    snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK,
@@ -2780,6 +2801,20 @@ void AudioSetChannel(const char *channel)
     AudioMixerChannel = channel;
 }
 
+/**
+**	Set automatic AES flag handling.
+**
+**	@param onoff	turn setting AES flag on or off
+*/
+void AudioSetAutoAES(int onoff)
+{
+    if (onoff < 0) {
+	AudioAppendAES ^= 1;
+    } else {
+	AudioAppendAES = onoff;
+    }
+}
+
 /**
 **	Initialize audio output module.
 **
diff --git a/audio.h b/audio.h
index 30fefae..da05575 100644
--- a/audio.h
+++ b/audio.h
@@ -1,7 +1,7 @@
 ///
 ///	@file audio.h		@brief Audio module headerfile
 ///
-///	Copyright (c) 2009 - 2013 by Johns.  All Rights Reserved.
+///	Copyright (c) 2009 - 2014 by Johns.  All Rights Reserved.
 ///
 ///	Contributor(s):
 ///
@@ -52,6 +52,7 @@ extern void AudioSetDevice(const char *);	///< set PCM audio device
     /// set pass-through device
 extern void AudioSetPassthroughDevice(const char *);
 extern void AudioSetChannel(const char *);	///< set mixer channel
+extern void AudioSetAutoAES(int);	///< set automatic AES flag handling
 extern void AudioInit(void);		///< setup audio module
 extern void AudioExit(void);		///< cleanup and exit audio module
 
diff --git a/po/de_DE.po b/po/de_DE.po
index 50f7528..c9246c9 100644
--- a/po/de_DE.po
+++ b/po/de_DE.po
@@ -607,7 +607,7 @@ msgid "  E-AC-3 pass-through"
 msgstr ""
 
 msgid "Enable (E-)AC-3 (decoder) downmix"
-msgstr "Aktiviere (E-)AC-3 (decoder) downmix""
+msgstr "Aktiviere (E-)AC-3 (decoder) downmix"
 
 msgid "Volume control"
 msgstr "Lautstärkesteuerung"