Update audio processing state: next_index=31

processing_audio_state.json

@@ -1,5 +1,5 @@
 {
-  "next_download_index": 30,
+  "next_download_index": 31,
   "file_states": {
     "audio/\u5982\u4f55\u6fc0\u6d3b\u5b57\u5e55.wav": "failed",
     "audio/week08 11 space switching.wav": "failed",
@@ -31,6 +31,6 @@
     "audio/week06 07 skin weights painting pt4 jaw weighting.wav": "failed",
     "audio/week06 06 skin weights painting pt3.wav": "failed",
     "audio/week06 05 skin weights painting pt2.wav": "failed",
-    "audio/week06 04 skin weights painting pt1.wav": "processing"
+    "audio/week06 04 skin weights painting pt1.wav": "failed"
   }
 }