package tiny_libs

  1. Overview
  2. Docs
From-scratch libraries for teaching: graphics, audio, compression, crypto, networking and more

Install 

dune-project
 Dependency

github.com Readme Edit opam file Versions (1)

Authors

  1. Y
    Yoann Padioleau <yoann.padioleau@gmail.com

Maintainers

  1. Y
    Yoann Padioleau <yoann.padioleau@gmail.com

Sources

0.3.6.tar.gz
md5=7c636383d146d30ac6f2fa234a6253c8
sha512=c79f3823c5f8f57e5038eb640d487c61168b84aa07c61999d6622ef9fd0c890e2b03b4c6a7cdbbe9352a49e25dda00ac7bb14693cee8e3d7beeed251351a2af0

doc/src/tiny_libs.audio_synthesis/Fm.ml.html

Source file Fm.ml

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(* Claude Code
 *
 * Copyright (C) 2026 Yoann Padioleau
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public License
 * (LGPL) as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 *)

(* See Fm.mli *)

let wave ~(index : float) (carrier : float) (modulator : float) : float =
  sin ((2. *. Float.pi *. carrier) +. (index *. sin (2. *. Float.pi *. modulator)))

let render ~(carrier : float) ~(ratio : float) ~(index : float) (seconds : float) : Signal.t =
  let rate = float_of_int Signal.rate in
  Array.init (Signal.samples seconds) (fun i ->
      let t = float_of_int i /. rate in
      let phase f = let p = f *. t in p -. Float.floor p in
      wave ~index (phase carrier) (phase (carrier *. ratio)))