1 files changed, 16 insertions, 3 deletions

diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index 886101187..0b4b463c4 100644
--- a/quantum/audio/voices.c
+++ b/quantum/audio/voices.c
@@ -101,14 +101,27 @@ float voice_envelope(float frequency) {
             break;
         case duty_fifth_down:
             note_timbre = 0.5;
-            if ((envelope_index % 5) == 0)
+            if ((envelope_index % 3) == 0)
                 note_timbre = 0.75;
             break;
         case duty_fourth_down:
+            note_timbre = 0.0;
             if ((envelope_index % 12) == 0)
+                note_timbre = 0.75;
+            if (((envelope_index % 12) % 4) != 1)
+                note_timbre = 0.75;
+            break;
+        case duty_third_down:
+            note_timbre = 0.5;
+            if ((envelope_index % 5) == 0)
+                note_timbre = 0.75;
+            break;
+        case duty_fifth_third_down:
+            note_timbre = 0.5;
+            if ((envelope_index % 5) == 0)
+                note_timbre = 0.75;
+            if ((envelope_index % 3) == 0)
                 note_timbre = 0.25;
-            else
-                note_timbre = 0.5;
             break;
 
                 default: