WPF部分：

（1） 新建 Visual C# --》 WPF工程，記得右鍵點擊“引用”，添加相應驅動版本的Microsoft.Kinect.dll 和Microsoft.Speech動態庫。App.xaml 文件及 App.xaml.cs文件無需改動。

（2）下面是MainWindow.xaml.cs文件的內容。

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using Microsoft.Kinect;

using Microsoft.Speech.AudioFormat;

using Microsoft.Speech.Recognition;

using System.IO;

using System.IO.Ports; //跟串口相關，不能只是引用system.IO

using System.Threading; //跟串口相關，線程的引入

namespace VoiceControlLED

{

///

/// Interaction logic for MainWindow.xaml

///

public partial class MainWindow ： Window

{

KinectSensor myKinect;

///

/// 音控相關

///

RecognizerInfo kinectRecognizerInfo;

SpeechRecognitionEngine recognizer;

KinectAudioSource kinectSource;

Stream audioStream;

///

/// 串口相關

///

///

delegate void HandleInterfaceUpdateDelagate（string text）;//委托；此為重點

///

/// 實例化串口

///

SerialPort serialPort1 = new SerialPort（）;

///

/// 串口初始化函數

///

private void SerialPort1_Init（）

{

serialPort1.PortName = “COM1”; //串口號（參考串口調試助手）

serialPort1.BaudRate = 9600; //波特率

serialPort1.Parity = Parity.None; //校驗位

serialPort1.DataBits = 8; //數據位

serialPort1.StopBits = StopBits.One; //停止位

if （！serialPort1.IsOpen）

{

serialPort1.Open（）;

}

else

MessageBox.Show（“Port is open！”）;

}

///

/// 發送字節數據函數

///

///

///

private int send_command（string Command）

{

try

{

serialPort1.Write（Command）;

return （1）;

}

catch （Exception）

{

// comm error

return （0）;

}

}

private RecognizerInfo findKinectRecognizerInfo（）

{

var recognizers = SpeechRecognitionEngine.InstalledRecognizers（）;

foreach （RecognizerInfo recInfo in recognizers）

{

// look at each recognizer info value to find the one that works for Kinect

if （recInfo.AdditionalInfo.ContainsKey（“Kinect”））

{

string details = recInfo.AdditionalInfo［“Kinect”］;

if （details == “True” && recInfo.Culture.Name == “en-US”）

{

// If we get here we have found the info we want to use

return recInfo;

}

}

}

return null;

}

private void createSpeechEngine（）

{

kinectRecognizerInfo = findKinectRecognizerInfo（）;

if （kinectRecognizerInfo == null）

{

MessageBox.Show（“Kinect recognizer not found”， “Kinect Speech Demo”）;

Application.Current.Shutdown（）;

return;

}

try

{

recognizer = new SpeechRecognitionEngine（kinectRecognizerInfo）;

}

catch

{

MessageBox.Show（“Speech recognition engine could not be loaded”， “Kinect Speech Demo”）;

Application.Current.Shutdown（）;

}

}

private void buildCommands（）

{

Choices commands = new Choices（）;

commands.Add（“One”）;

commands.Add（“Two”）;

commands.Add（“Three”）;

commands.Add（“Four”）;

commands.Add（“Five”）;

commands.Add（“Six”）;

commands.Add（“Seven”）;

commands.Add（“Eight”）;

GrammarBuilder grammarBuilder = new GrammarBuilder（）;

grammarBuilder.Culture = kinectRecognizerInfo.Culture;

grammarBuilder.Append（commands）;

Grammar grammar = new Grammar（grammarBuilder）;

recognizer.LoadGrammar（grammar）;

}

private void setupAudio（）

{

try

{

myKinect = KinectSensor.KinectSensors［0］;

myKinect.Start（）;

kinectSource = myKinect.AudioSource;

kinectSource.BeamAngleMode = BeamAngleMode.Automatic;

audioStream = kinectSource.Start（）;

recognizer.SetInputToAudioStream（audioStream， new SpeechAudioFormatInfo（

EncodingFormat.Pcm， 16000， 16， 1，

32000， 2， null））;

recognizer.RecognizeAsync（RecognizeMode.Multiple）;

}

catch

{

MessageBox.Show（“Audio stream could not be connected”， “Kinect Speech Demo”）;

Application.Current.Shutdown（）;

}

}

private void SetupSpeechRecognition（）

{