Громкость звука с микрофона

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ACS_Classes, ACS_DXAudio, StdCtrls, ACS_FLAC, ACS_Wave, ExtCtrls,
  NewACIndicators;
 
type
  TForm1 = class(TForm)
    DXAudioIn1: TDXAudioIn;
    FLACOut1: TFLACOut;
    Button1: TButton;
    Button2: TButton;
    Edit1: TEdit;
    Button3: TButton;
    Button4: TButton;
    WaveOut1: TWaveOut;
    GainIndicator1: TGainIndicator;
    Label1: TLabel;
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure GainIndicator1GainData(Sender: TComponent);
  private
    { Private declarations }
    Output : TAuFileOut;
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
   i : integer;
implementation
 
{$R *.dfm}
 
procedure TForm1.Button3Click(Sender: TObject);
begin
   WaveOut1.FileName :=  '1.wav' ;
   WaveOut1.Run;
end;
 
procedure TForm1.Button4Click(Sender: TObject);
begin
   WaveOut1.Stop;
end;
 
procedure TForm1.FormCreate(Sender: TObject);
begin
 i:=0;
end;
 
procedure TForm1.GainIndicator1GainData(Sender: TComponent);
begin
 
      if (Round(GainIndicator1.GainValue)>40) AND  (i=0) then
      begin
         i:=1;
         //Старт запись
      end;
end;
 
end.