diff --git a/anime_audio_helper.py b/anime_audio_helper.py
index d8190bc..cc74499 100755
--- a/anime_audio_helper.py
+++ b/anime_audio_helper.py
@@ -53,8 +53,7 @@ def convert_audio_track(index, ch, lang, audio_temp_dir, source_file, should_dow
 
     print(f"    - Extracting Audio Track #{index} to FLAC...")
     ffmpeg_args = [
-        "ffmpeg", "-v", "quiet", "-stats", "-y", "-i", str(source_file),
-        "-map", f"0:{index}", "-map_metadata", "-1"
+        "ffmpeg", "-v", "quiet", "-stats", "-y", "-i", str(source_file), "-map", f"0:{index}"
     ]
     if should_downmix and ch >= 6:
         if ch == 6:
@@ -82,16 +81,14 @@ def convert_audio_track(index, ch, lang, audio_temp_dir, source_file, should_dow
     else:
         # Not downmixing (or source is already stereo or less).
         # Base bitrate on the source channel count.
-        if ch == 1:      # Mono
-            bitrate = "64k"
-        elif ch == 2:    # Stereo
+        if ch == 2:      # Stereo
             bitrate = "128k"
         elif ch == 6:    # 5.1 Surround
             bitrate = "256k"
         elif ch == 8:    # 7.1 Surround
             bitrate = "384k"
-        else:            # Other layouts
-            bitrate = "192k" # Fallback
+        else:            # Mono or other layouts
+            bitrate = "96k" # A sensible default for mono.
 
     print(f"    - Encoding Audio Track #{index} to Opus at {bitrate}...")
     run_cmd([