lowpass-filter 0.4.1

Simple first-order digital lowpass filters, compatible with `no_std`. You can use it, for example, to get the low frequencies from a song.
Documentation 
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{
  pkgs ? import <nixpkgs> { },
}:

let
  libs = with pkgs; [
    alsa-lib
    fontconfig
    libxkbcommon
    xorg.libXcursor
    xorg.libX11
  ];
in
pkgs.mkShell rec {
  packages =
    with pkgs;
    [
      pkg-config
      rustup
    ]
    ++ libs;

  LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath libs}";
}