前一段时间做过语音识别，因为时间比较紧，所以就在网上找了一些代码用上了，发现些的很复杂，现在想要把语音识别应用到Unity项目中来，所以又梳理了一下发现其实微软已经给我们封装了很好类库。下面是采用的微软的Speech SDK5.1 ，数据库采用的MySQL数据库（MySQL数据库昨天刚刚接触，不过感觉很好使比SQL Server 要好用，速度也不较快，觉得一般的项目的话MySQL就能应付了）
界面可以根据自己的爱好自己设计了 ^_^
下面附上代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
//添加数据库引用
using MySQLDriverCS;
using System.Data.Odbc;
//语音转换引用
using DotNetSpeech;
//using SpeechLib;
//添加语音识别引用
using System.Speech.Recognition;
using System.Threading;
namespace SpeechDemo
{
public partial class Form1 : Form
{
//定义语音识别的类
SpeechRecognizer spr;
List<string> li;
public Form1()
{
InitializeComponent();
}
//private SpeechRecognitionEngine spre;
private SpVoice voice;
SpeechVoiceSpeakFlags svsf = SpeechVoiceSpeakFlags.SVSFlagsAsync;
//load加载
private void Form1_Load(object sender, EventArgs e)
{
voice = new DotNetSpeech.SpVoice(); //实例化
this.txt_text.Text = "";
this.cmb_type.Text = "中文";
this.btn_pause.Text = "暂停";
this.voice.Rate = 0;
this.voice.Volume = 50;
li = this.MySQConnectionMother();
this.txt_recive.Focus();
}
//speech
private void btn_speech_Click(object sender, EventArgs e)
{
voice.Speak(this.txt_text.Text, svsf);
//定义一个线程 并给线程绑定方法
}
public void btnclick()
{
voice.Speak(this.txt_text.Text, svsf);
}
//清空
private void btn_clear_Click(object sender, EventArgs e)
{
this.txt_text.Text = "";
this.btn_pause.Text = "暂停";
}
//音量值发生改变后触发的事件
private void tk_voice_ValueChanged(object sender, EventArgs e)
{
this.voice.Volume = this.tk_voice.Value;
}
//语音速度值发生改变触发的事件
private void tk_speed_ValueChanged(object sender, EventArgs e)
{
this.voice.Rate = this.tk_speed.Value;
}
//暂停&开始
private void btn_pause_Click(object sender, EventArgs e)
{
btnClick(this.btn_pause.Text);
}
private void btnClick(string BtnText)
{
switch (BtnText)
{
case "暂停":
this.voice.Pause();
this.btn_pause.Text = "继续";
break;
case"继续":
this.voice.Resume();
this.btn_pause.Text = "暂停";
break;
default:
break;
}
}
//生成语音文件
private void button1_Click(object sender, EventArgs e)
{
try
{
SpeechVoiceSpeakFlags SpFlags = SpeechVoiceSpeakFlags.SVSFlagsAsync;
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "All files (*.*)|*.*|wav files (*.wav)|*.wav";
sfd.Title = "Save to a wave file";
sfd.FilterIndex = 2;
sfd.RestoreDirectory = true;
if (sfd.ShowDialog() == DialogResult.OK)
{
SpeechStreamFileMode SpFileMode = SpeechStreamFileMode.SSFMCreateForWrite;
SpFileStream SpFileStream = new SpFileStream();
SpFileStream.Open(sfd.FileName, SpFileMode, false);
voice.AudioOutputStream = SpFileStream;
voice.Speak(this.txt_text.Text, SpFlags);
voice.WaitUntilDone(Timeout.Infinite);
SpFileStream.Close();
}
}
catch(Exception )
{
}
}
//开起对话
private void button2_Click(object sender, EventArgs e)
{
SpeechRegestion();
}
/// <summary>
/// 语音识别
/// </summary>
private void SpeechRegestion()
{
spr = new SpeechRecognizer();//提供访问和管理进程内语音识别的引擎
GrammarBuilder gramm = new GrammarBuilder(); //设置GrammarBuilder
string[] strs = null;
strs= MakeListTostring( li );
Choices choice = new Choices(strs); //定义语法
gramm.Append(choice); //把添加到gramm上
Grammar gra = new Grammar(gramm);//
spr.LoadGrammarAsync(gra);//异步加载语法
spr.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(spr_SpeechRecognized); //当语音识别器接收到与其语音识别向匹配的时候发生
}
//当语音识别器接收到与其语音识别向匹配的时候发生
void spr_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
string reciveMessage = e.Result.Text.ToString();
this.txt_recive.Text = reciveMessage; //识别器经过语法处理后得到的文本
}
//连接MySQL数据库
public List<string> MySQConnectionMother()
{
List<string> lis = new List<string>(); ;
MySQLConnection conn = new MySQLConnection(new MySQLConnectionString("localhost", "speechdb", "root", "admin").AsString);
try
{
conn.Open();//打开数据库
// MessageBox.Show("数据库已经打开！");
MySQLCommand comm = new MySQLCommand("select * from sptable",conn);
MySQLDataReader dr = comm.ExecuteReaderEx();
while (dr.Read())
{
string mm = dr[2].ToString();
// MessageBox.Show(mm);
lis.Add(mm);
}
}
catch (Exception er)
{
MessageBox.Show(er.ToString());
}
conn.Close();
conn.Dispose();
return lis;
}
//添加语法到string[] 当中
public string[] MakeListTostring(List<string> liststring)
{
string[] str = new string[liststring.Count];
for (int i = 0; i < liststring.Count(); i++)
{
str[i] = liststring[i].ToString();
}
return str;
}
//通过问题得到答案
public string GetAnswer(string question)
{
string answer = null;
MySQLConnection conn = new MySQLConnection(new MySQLConnectionString("localhost", "speechdb", "root", "admin").AsString);
try
{
conn.Open();
// MessageBox.Show("数据库又被打开了！");
MySQLCommand comm = new MySQLCommand();
comm.CommandText = "select answer from sptable where question='" + question + "'";
comm.Connection = conn;
//MessageBox.Show(comm.CommandText);
if (comm.ExecuteScalar()==null)
{
return null;
}
else
{
answer = comm.ExecuteScalar().ToString();
}
}
catch (Exception er)
{
MessageBox.Show(er.ToString());
}
conn.Close();
conn.Dispose();
return answer;
}
private void txt_text_TextChanged(object sender, EventArgs e)
{
voice.Speak(this.txt_text.Text, svsf);
}
private void txt_recive_TextChanged(object sender, EventArgs e)
{
if (this.txt_recive.Text.Trim()!=null)
{
string answer = GetAnswer(this.txt_recive.Text);
if (answer != null)
{
this.txt_text.Text = answer;
}
else
{
this.txt_text.Text = "你说的什么？我没听清楚,请再清楚的说一遍！";
}
}
}
}
}
转载于:https://www.cnblogs.com/Nickzhou/archive/2012/12/21/2827470.html