Prepend audio parameter with 🔈 emoji for better readability

src/main/java/com/annimon/ffmpegbot/parameters/AudioBitrate.java

@@ -11,7 +11,7 @@ public class AudioBitrate extends StringParameter {
     );
 
     public AudioBitrate() {
-        super("abitrate", "Audio bitrate", VALUES, "");
+        super("abitrate", "\uD83D\uDD08 Bitrate", VALUES, "");
     }
 
     @Override

src/main/java/com/annimon/ffmpegbot/parameters/AudioCrystalizer.java

@@ -9,7 +9,7 @@ public class AudioCrystalizer extends StringParameter {
     );
 
     public AudioCrystalizer() {
-        super("crystalizer", "Audio crystalizer", VALUES, "0");
+        super("crystalizer", "\uD83D\uDD08 Crystalizer", VALUES, "0");
     }
 
     @Override

src/main/java/com/annimon/ffmpegbot/parameters/AudioEffect.java

@@ -18,7 +18,7 @@ public class AudioEffect extends StringParameter {
     );
 
     public AudioEffect() {
-        super("aeffect", "Audio effect", VALUES, "");
+        super("aeffect", "\uD83D\uDD08 Effect", VALUES, "");
     }
 
     @Override

src/main/java/com/annimon/ffmpegbot/parameters/AudioPitch.java

@@ -12,7 +12,7 @@ public class AudioPitch extends StringParameter {
     );
 
     public AudioPitch() {
-        super("apitch", "Audio pitch", VALUES, "1");
+        super("apitch", "\uD83D\uDD08 Pitch", VALUES, "1");
     }
 
     @Override

src/main/java/com/annimon/ffmpegbot/parameters/AudioVolume.java

@@ -12,7 +12,7 @@ public class AudioVolume extends StringParameter {
     );
 
     public AudioVolume() {
-        super("volume", "Volume", VALUES, "");
+        super("volume", "\uD83D\uDD08 Volume", VALUES, "");
     }
 
     @Override