[Megabyte]

Пример на Дельфи:

Код:

unit Unit1;

interface

uses
  mmsystem,Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm1 = class(TForm)
    Memo1: TMemo;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
if WaveOutGetNumDevs>0 then memo1.Lines.Add(' Sound Hardware present')
else memo1.Lines.Add(' Sound Hardware not present');

end;

end.