diff --git a/ChangeLog b/ChangeLog
index 49d579a2aa..da91b32485 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-08-22  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* gst-libs/gst/riff/riff-ids.h:
+	* gst-libs/gst/riff/riff-media.c: (gst_riff_create_audio_caps):
+	  Add voxware audio IDs (even if we can't play it) (#351795).
+
 2006-08-22  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst-libs/gst/riff/riff-media.c:
diff --git a/gst-libs/gst/riff/riff-ids.h b/gst-libs/gst/riff/riff-ids.h
index d078804cde..24b49a70bf 100644
--- a/gst-libs/gst/riff/riff-ids.h
+++ b/gst-libs/gst/riff/riff-ids.h
@@ -291,6 +291,19 @@ typedef struct _gst_riff_strf_auds {       /* == WaveHeader (?) */
 #define GST_RIFF_WAVE_FORMAT_ITU_G721_ADPCM (0x0040)
 #define GST_RIFF_WAVE_FORMAT_MPEGL12        (0x0050)
 #define GST_RIFF_WAVE_FORMAT_MPEGL3         (0x0055)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE        (0x0062)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_BYTE_ALIGNED (0x0069)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_AC8    (0x0070)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_AC10   (0x0071)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_AC16   (0x0072)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_AC20   (0x0073)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_METAVOICE (0x0074)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_METASOUND (0x0075)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_RT29HW (0x0076)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_VR12   (0x0077)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_VR18   (0x0078)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_TQ40   (0x0079)
+#define GST_RIFF_WAVE_FORMAT_VOXWARE_TQ60   (0x0081)
 #define GST_RIFF_IBM_FORMAT_MULAW           (0x0101)
 #define GST_RIFF_IBM_FORMAT_ALAW            (0x0102)
 #define GST_RIFF_IBM_FORMAT_ADPCM           (0x0103)
diff --git a/gst-libs/gst/riff/riff-media.c b/gst-libs/gst/riff/riff-media.c
index ef31f8de42..4a8498ac7d 100644
--- a/gst-libs/gst/riff/riff-media.c
+++ b/gst-libs/gst/riff/riff-media.c
@@ -970,6 +970,27 @@ gst_riff_create_audio_caps (guint16 codec_id,
       }
       break;
     }
+
+      /* can anything decode these? pitfdll? */
+    case GST_RIFF_WAVE_FORMAT_VOXWARE:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_BYTE_ALIGNED:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_AC8:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_AC10:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_AC16:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_AC20:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_METAVOICE:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_METASOUND:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_RT29HW:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_VR12:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_VR18:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_TQ40:
+    case GST_RIFF_WAVE_FORMAT_VOXWARE_TQ60:{
+      caps = gst_caps_new_simple ("audio/x-voxware",
+          "voxwaretype", G_TYPE_INT, (gint) codec_id, NULL);
+      if (codec_name)
+        *codec_name = g_strdup ("Voxware");
+      break;
+    }
     default:
       GST_WARNING ("Unknown audio tag 0x%04x", codec_id);
       return NULL;