Update audio processing state: next_index=9

processing_audio_state.json

@@ -1,5 +1,5 @@
 {
-  "next_download_index": 7,
+  "next_download_index": 9,
   "file_states": {
     "audio/\u5982\u4f55\u6fc0\u6d3b\u5b57\u5e55.wav": "failed",
     "audio/week08 11 space switching.wav": "failed",
@@ -9,6 +9,6 @@
     "audio/week08 07 bendy limbs pt1.wav": "failed",
     "audio/week08 06 fore arm twist.wav": "failed",
     "audio/week08 05 reset ctrls script.wav": "processing",
-    "audio/week08 04 chest improvements.wav": "processing"
+    "audio/week08 04 chest improvements.wav": "failed"
   }
 }