2 files changed, 22 insertions, 12 deletions

diff --git a/src/lib/sounds/sounds.ml b/src/lib/sounds/sounds.ml
index cc801dd..aad7cf0 100644
--- a/src/lib/sounds/sounds.ml
+++ b/src/lib/sounds/sounds.ml
@@ -116,14 +116,11 @@ let voyel_u =
 
 let p =
   { none with
-    code = Consonant_P
-  ; mutable_ = false }
+    code = Consonant_P }
 
 let b =
   { none with
-    code = Consonant_B
-  ; mutable_ = false
-  }
+    code = Consonant_B }
 
 let t =
   { none with
@@ -143,6 +140,11 @@ let g =
   { none with
     code = Consonant_G }
 
+(** f is alway pronounend in ending consonant. Know exeception are :
+    - cerf
+    - clef
+    - nerf
+    - serf *)
 let f =
   { none with
     code = Consonant_F
@@ -227,18 +229,23 @@ let rec nasal t =
   | Voyel, _ -> Some { t with nasal = true }
   | _ -> None
 
-let muted f =
-  (* f is alway pronounend in endding consonant. Know exeception are :
-     - cerf
-     - clef
-     - nerf
-     - serf *)
+let is_muted t =
+  match t.code with
+  | Muted _ -> true
+  | _ -> false
+
+let mute f =
   match f.mutable_ with
   | false -> f
   | true ->
     { none with
       code = Muted f }
 
+let unmute t =
+  match t.code with
+  | Muted t -> t
+  | _ -> t
+
 let repr
   : (module Sig.REPR) -> t list -> string
   = fun m letters ->
diff --git a/src/lib/sounds/sounds.mli b/src/lib/sounds/sounds.mli
index 3b7b760..fb902cb 100644
--- a/src/lib/sounds/sounds.mli
+++ b/src/lib/sounds/sounds.mli
@@ -1,7 +1,6 @@
 module Sig = Sig
 
 type t
-val muted : t -> t
 
 val a : t
 val e : [`Closed | `Opened] -> t
@@ -75,5 +74,9 @@ val semi_voyel_u: t
 val is_voyel : t -> bool
 val is_nasal : t -> bool
 
+val is_muted : t -> bool
+val mute : t -> t
+val unmute: t -> t
+
 val repr
   : (module Sig.REPR) -> t list -> string