Система обработки аудиоинформации. Подсистема фильтрации и обработки сигнала

Дипломная работа - Компьютеры, программирование

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EMailButton: TSpeedButton;

Label1: TLabel;

Label2: TLabel;

Label3: TLabel;

Label4: TLabel;

BitBtn1: TBitBtn;

BitBtn3: TBitBtn;

BitBtn4: TBitBtn;

BitBtn2: TBitBtn;

BitBtn5: TBitBtn;

BitBtn6: TBitBtn;

BitBtn7: TBitBtn;

BitBtn8: TBitBtn;

BitBtn9: TBitBtn;

BitBtn10: TBitBtn;

Button1: TBitBtn;

Button2: TBitBtn;

Button6: TBitBtn;

BitBtn13: TBitBtn;

BitBtn14: TBitBtn;

BitBtn15: TBitBtn;

BitBtn16: TBitBtn;

MainMenu1: TMainMenu;

N1: TMenuItem;

N2: TMenuItem;

N3: TMenuItem;

N4: TMenuItem;

N11: TMenuItem;

N12: TMenuItem;

N13: TMenuItem;

N14: TMenuItem;

N15: TMenuItem;

N31: TMenuItem;

N30: TMenuItem;

N16: TMenuItem;

N17: TMenuItem;

N18: TMenuItem;

N19: TMenuItem;

N24: TMenuItem;

N20: TMenuItem;

N21: TMenuItem;

N22: TMenuItem;

N23: TMenuItem;

N25: TMenuItem;

N26: TMenuItem;

N27: TMenuItem;

N28: TMenuItem;

N29: TMenuItem;

N32: TMenuItem;

N33: TMenuItem;

N34: TMenuItem;

N35: TMenuItem;

N36: TMenuItem;

N37: TMenuItem;

N38: TMenuItem;

N39: TMenuItem;

N40: TMenuItem;

N41: TMenuItem;

N8: TMenuItem;

N9: TMenuItem;

N10: TMenuItem;

N5: TMenuItem;

N6: TMenuItem;

N7: TMenuItem;

N42: TMenuItem;

SilenceTime: TSpinEdit;

Memo1: TMemo;

PasteModeComboBox: TComboBox;

PasteModeText: TStaticText;

Left10Button: TButton;

StaticText17: TStaticText;

Right10Button: TButton;

SpeedEdit: TSpinEdit;

VolumeEdit: TSpinEdit;

ChangeVolumeBitBtn: TBitBtn;

ChangeSpeedButton: TBitBtn;

SetSpeedBitBtn: TBitBtn;

SetVolumeBitBtn: TBitBtn;

ReverseButton: TBitBtn;

NormalizeBitBtn: TBitBtn;

PageControl2: TPageControl;

TabSheet4: TTabSheet;

Label5: TLabel;

Label6: TLabel;

Label7: TLabel;

nSamplesPerSecText: TStaticText;

nSamplesPerSecButton: TButton;

nSamplesBox: TComboBox;

nBitsBox: TComboBox;

nBitsPerSampleButton: TButton;

nBitsPerSampleText: TStaticText;

nChannelsText: TStaticText;

nChannelsButton: TButton;

nChannelsBox: TComboBox;

TabSheet5: TTabSheet;

ConstantBitrateComboBox: TComboBox;

StaticText1: TStaticText;

RadioButton1: TRadioButton;

RadioButton2: TRadioButton;

RadioButton3: TRadioButton;

AverageBitrateComboBox: TComboBox;

VariableBitRateComboBox: TComboBox;

StaticText2: TStaticText;

StaticText3: TStaticText;

StereoModeComboBox: TComboBox;

TabSheet6: TTabSheet;

PageControl3: TPageControl;

TabSheet7: TTabSheet;

StaticText5: TStaticText;

nResponsesEdit: TSpinEdit;

ResponseTimeEdit: TSpinEdit;

ResponseVolumeEdit: TSpinEdit;

StaticText6: TStaticText;

StaticText7: TStaticText;

StaticText8: TStaticText;

StaticText9: TStaticText;

TabSheet8: TTabSheet;

nEchosEdit: TSpinEdit;

DelayEdit: TSpinEdit;

EchoVolumeEdit: TSpinEdit;

StaticText10: TStaticText;

StaticText11: TStaticText;

StaticText12: TStaticText;

StaticText13: TStaticText;

StaticText14: TStaticText;

N43: TMenuItem;

MP31: TMenuItem;

N44: TMenuItem;

ButtonZoomIn: TBitBtn;

ButtonZoomOut: TBitBtn;

AudioOptionsButton: TBitBtn;

MP3OptionsButton: TBitBtn;

EffOptionsButton: TBitBtn;

procedure FormCreate(Sender: TObject);

procedure OpenButtonClick(Sender: TObject);

procedure FormClose(Sender: TObject; var Action: TCloseAction);

procedure PlayButtonClick(Sender: TObject);

procedure PauseButtonClick(Sender: TObject);

procedure RecordButtonClick(Sender: TObject);

procedure TrackBarChange(Sender: TObject);

procedure PositionSpinEditChange(Sender: TObject);

procedure SaveButtonClick(Sender: TObject);

procedure SetMarkerButtonClick(Sender: TObject);

procedure DeleteMarkersButtonClick(Sender: TObject);

procedure CopyButtonClick(Sender: TObject);

procedure CutButtonClick(Sender: TObject);

procedure ClearButtonClick(Sender: TObject);

procedure PasteButtonClick(Sender: TObject);

procedure ReverseButtonClick(Sender: TObject);

procedure SetSpeedButtonClick(Sender: TObject);

procedure ChangePropertie(Sender: TObject);

procedure AboutButtonClick(Sender: TObject);

procedure HomePageLinkClick(Sender: TObject);

procedure SetVolumeButtonClick(Sender: TObject);

procedure DeleteButtonClick(Sender: TObject);

procedure NormalizeButtonClick(Sender: TObject);

procedure PasteSilenceButtonClick(Sender: TObject);

procedure SetSpeedBitBtnClick(Sender: TObject);

procedure ChangeSpeedButtonClick(Sender: TObject);

procedure SetVolumeBitBtnClick(Sender: TObject);

procedure ChangeVolumeBitBtnClick(Sender: TObject);

procedure NormalizeBitBtnClick(Sender: TObject);

procedure EffectButtonClick(Sender: TObject);

procedure PaintBox1Paint(Sender: TObject);

procedure WaveOutButtonClick(Sender: TObject);

procedure WaveInButtonClick(Sender: TObject);

procedure CopyToFileButtonClick(Sender: TObject);

procedure UndoButtonClick(Sender: TObject);

procedure EMailButtonClick(Sender: TObject);

procedure BrainWaveButtonClick(Sender: TObject);

procedure Left10ButtonClick(Sender: TObject);

procedure SSelButtonClick(Sender: TObject);

procedure HelpButtonClick(Sender: TObject);

procedure UndoCheckBoxClick(Sender: TObject);

procedure N4Click(Sender: TObject);

procedure N43Click(Sender: TObject);

procedure MP31Click(Sender: TObject);

procedure N44Click(Sender: TObject);

procedure ButtonZoomInClick(Sender: TObject);

procedure ButtonZoomOutClick(Sender: TObject);

procedure AudioOptionsButtonClick(Sender: TObject);

procedure MP3OptionsButtonClick(Sender: TObject);

procedure EffOptionsButtonClick(Sender: TObject);

private

{ Private declarations }

public

procedure SetAudioPosition;

procedure SetMarker;

procedure DeleteMarkers;

procedure PaintAudioGraph;

procedure SaveUndoInfo;

end;

type

TPlayThread = class(TThread)

public

WaveOut: HWaveOut;

procedure Execute; override;

end;

TRecordThread = class(TThread)

public

WaveIn: HWaveIn;

procedure Execute; override;

end;

var

MainForm: TMainForm;

SamplesPerPoint: Cardinal;

Status: String;

AudioPosition: Cardinal;

AudioData: TAudioData;

AudioClipBoard: TAudioData;

PlayThread: TPlayThread;

RecordThread: TRecordThread;

Selection: record

Start: Cardinal;

Finish: Cardinal;

StartExists: Boolean;

FinishExists: Boolean;

end;

UndoInfo: record

Selection: record

Start: Cardinal;

Finish: Cardinal;

StartExists: Boolean;

FinishExists: Boolean;

end;

AudioPosition: Cardinal;

AudioData: TAudioData;

end;

implementation

{$R *.dfm}

procedure TMainForm.FormCreate(Sender: TObject);

var

WaveOutCaps: TWaveOutCaps;

WaveInCaps: TWaveInCaps;

i: Cardinal;

begin

SamplesPerPoint := 16;

BorderIcons := BorderIcons - [biMaximize];

AudioData := TAudioData.Create;

AudioClipBoard := TAudioData.Create;

with AudioData do

begin

nChannels := 2;

nBitsPerSample := 16;

nSamplesPerSec := 44100;

Calculate_nBlockAlign;

end;

AudioPosition := 0;

if WaveOutGetNumDevs<>0 then

begin

for i := 0 to WaveOutGetNumDevs-1 do

begin

WaveOutGetDevCaps(i, @WaveOutCaps, SizeOf(TWaveOutCaps));

OutDeviceComboBox.Items.Add(PChar(@WaveOutCaps.szPname));

end;

OutDeviceComboBox.ItemIndex := 0;

end;

if WaveInGetNumDevs<>0 then

begin

for i := 0 to WaveInGetNumDevs-1 do

begin

WaveInGetDevCaps(i, @WaveInCaps, SizeOf(TWaveInCaps));

InDeviceComboBox.Items.Add(PChar(@WaveInCaps.szPname));

end;

InDeviceComboBox.ItemIndex := 0;

end;

AudioData.Calculate_nBlockAlign;

UndoInfo.AudioData := TAudioData.Create;

Status := starting;

end;

 

procedure TMainForm.SetAudioPosition;

var

AudioSize, Long: Cardinal;

S, S2: String;

begin

PaintBox1.Repaint;

with AudioData do AudioSize := Data.Size div nBlockAlign;

if AudioSize = 0 then Exit;

if AudioSize<TrackBar.Width then TrackBar.Max := AudioSize else TrackBar.Max := TrackBar.Width;

with PositionSpinEdit do

begin

Value := AudioPosition;

MinValue := 0;

MaxValue := AudioSize;

end;

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