diff --git a/lib/WWW/PipeViewer/Itags.pm b/lib/WWW/PipeViewer/Itags.pm
index 7b8df66..a685aa7 100644
--- a/lib/WWW/PipeViewer/Itags.pm
+++ b/lib/WWW/PipeViewer/Itags.pm
@@ -157,30 +157,36 @@ sub get_itags {
                   {value => 597, format => 'mp4',  split => 1},              # mp4 (v)
                  ],
 
-        'audio' => [{value => 258, format => 'm4a',  kbps => 360},             # mp4a (360 kbps?)
-                    {value => 172, format => 'opus', kbps => 192},             # webm opus (192 kbps)
-                    {value => 251, format => 'opus', kbps => 160},             # webm opus (128-160 kbps)
-                    {value => 171, format => 'webm', kbps => 128},             # webm vorbis (92-128 kbps)
-                    {value => 140, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
-                    {value => 149, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
-                    {value => 689, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
-                    {value => 352, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
-                    {value => 141, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
-                    {value => 150, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
-                    {value => 326, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
-                    {value => 690, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
-                    {value => 256, format => 'm4a',  kbps => 192},             # mp4a (192 kbps?)
-                    {value => 250, format => 'opus', kbps => 64},              # webm opus (64 kbps)
-                    {value => 249, format => 'opus', kbps => 48},              # webm opus (48 kbps)
-                    {value => 688, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
-                    {value => 139, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
-                    {value => 148, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
-                    {value => 261, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
-                    {value => 351, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
-                    {value => 350, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
-                    {value => 600, format => 'opus', kbps => 32},              # webm opus (48 kbps)
-                    {value => 599, format => 'm4a',  kbps => 32},              # mp4a (48 kbps)
-                   ],
+        'audio' => [
+            {value => 258, format => 'm4a',  kbps => 360},             # mp4a (360 kbps?)
+            {value => 172, format => 'opus', kbps => 192},             # webm opus (192 kbps)
+            {value => 251, format => 'opus', kbps => 160},             # webm opus (128-160 kbps)
+            {value => 171, format => 'webm', kbps => 128},             # webm vorbis (92-128 kbps)
+            {value => 140, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
+            {value => 149, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
+            {value => 689, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
+            {value => 352, format => 'm4a',  kbps => 128},             # mp4a (128 kbps)
+            {value => 141, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
+            {value => 150, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
+            {value => 326, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
+            {value => 690, format => 'm4a',  kbps => 256},             # mp4a (256 kbps)
+            {value => 256, format => 'm4a',  kbps => 192},             # mp4a (192 kbps?)
+            {value => 250, format => 'opus', kbps => 64},              # webm opus (64 kbps)
+            {value => 249, format => 'opus', kbps => 48},              # webm opus (48 kbps)
+            {value => 688, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
+            {value => 139, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
+            {value => 148, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
+            {value => 261, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
+            {value => 351, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
+            {value => 350, format => 'm4a',  kbps => 48},              # mp4a (48 kbps)
+            {value => 600, format => 'opus', kbps => 32},              # webm opus (48 kbps)
+            {value => 599, format => 'm4a',  kbps => 32},              # mp4a (48 kbps)
+
+            {value => '251-drc', format => 'opus', kbps => 160},       # webm opus (128-160 kbps)
+            {value => '140-drc', format => 'm4a',  kbps => 128},       # mp4a (128 kbps)
+            {value => '250-drc', format => 'opus', kbps => 64},        # webm opus (64 kbps)
+            {value => '249-drc', format => 'opus', kbps => 48},        # webm opus (48 kbps)
+        ],
 
         'dash' => [{value => '133-dash', format => 'mp4'},                    # mp4 DASH (v-a)
                    {value => '134-dash', format => 'mp4'},                    # mp4 DASH (v-a)