1 files changed, 71 insertions, 0 deletions
diff --git a/src/lib/sounds/sig.ml b/src/lib/sounds/sig.ml
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+++ b/src/lib/sounds/sig.ml
@@ -0,0 +1,71 @@
+module type T = sig
+  type t
+  val muted : t -> t
+
+  val a : t
+  val e : [`Closed | `Opened] -> t
+  val eu : t
+
+  val o : t
+  val schwa : unit -> t
+
+  (** This is an empty sound.
+
+      It can be used to replace any element in a syllabus *)
+  val none: t
+
+  (** This is the voyel i like in "ici"
+      When nazalized, the voyel become [in] like in "ainsi" *)
+  val i : t
+
+  (** This is the sound present with letter [ai].
+      It is the e like in "semaine".
+
+      When nazalized, the voyel become [in]
+
+
+  *)
+  val voyel_ai : t
+
+  (** This is the sound ou like in "ouvrier"
+      When nazalized, the voyel does not change *)
+  val voyel_u : t
+
+  (** This is the sound u like in "unis"
+      When nazalized, the voyel become [un] like in "brun" *)
+  val voyel_y : t
+
+  (** Create a diphtongue from a semi-voyel and a voyel *)
+  val diphtongue: t -> t -> t
+
+  val nasal: t -> t option
+
+  val p: t
+  val b: t
+  val t: t
+  val d: t
+  val k: t
+  val g: t
+  val f: t
+  val v: t
+  val s: t
+  val z: t
+  val sz: t
+  val ch: t
+  val j: t
+
+  val n: t
+  val m: t
+
+  val r: t
+  val l: t
+
+  val semi_voyel_w: t
+  val semi_voyel_y: t
+
+  val is_voyel : t -> bool
+  val is_nasal : t -> bool
+
+  val repr : t -> string
+
+end