diff -ru gst-plugins-good-0.10.27.orig/gst/matroska/matroska-demux.c gst-plugins-good-0.10.27/gst/matroska/matroska-demux.c
--- gst-plugins-good-0.10.27.orig/gst/matroska/matroska-demux.c	2011-02-11 11:57:22.015071994 +0100
+++ gst-plugins-good-0.10.27/gst/matroska/matroska-demux.c	2011-02-11 11:56:44.095071994 +0100
@@ -6720,6 +6720,10 @@
     caps = gst_caps_new_simple ("audio/x-eac3",
         "framed", G_TYPE_BOOLEAN, TRUE, NULL);
     *codec_name = g_strdup ("Dolby Digital Plus");
+  } else if (!strncmp (codec_id, GST_MATROSKA_CODEC_ID_AUDIO_TRUEHD,
+          strlen (GST_MATROSKA_CODEC_ID_AUDIO_TRUEHD))) {
+    caps = gst_caps_new_simple ("audio/x-true-hd", NULL);
+    *codec_name = g_strdup ("Dolby TrueHD");
   } else if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_AUDIO_DTS)) {
     caps = gst_caps_new_simple ("audio/x-dts", NULL);
     *codec_name = g_strdup ("DTS");
diff -ru gst-plugins-good-0.10.27.orig/gst/matroska/matroska-ids.h gst-plugins-good-0.10.27/gst/matroska/matroska-ids.h
--- gst-plugins-good-0.10.27.orig/gst/matroska/matroska-ids.h	2010-10-17 19:24:46.000000000 +0200
+++ gst-plugins-good-0.10.27/gst/matroska/matroska-ids.h	2011-02-11 11:54:12.145071996 +0100
@@ -356,6 +356,7 @@
 #define GST_MATROSKA_CODEC_ID_AUDIO_AC3_BSID9      "A_AC3/BSID9"
 #define GST_MATROSKA_CODEC_ID_AUDIO_AC3_BSID10     "A_AC3/BSID10"
 #define GST_MATROSKA_CODEC_ID_AUDIO_EAC3           "A_EAC3"
+#define GST_MATROSKA_CODEC_ID_AUDIO_TRUEHD         "A_TRUEHD"
 #define GST_MATROSKA_CODEC_ID_AUDIO_DTS            "A_DTS"
 #define GST_MATROSKA_CODEC_ID_AUDIO_VORBIS         "A_VORBIS"
 #define GST_MATROSKA_CODEC_ID_AUDIO_FLAC           "A_FLAC"