C#中调用SAPI实现语音合成的2种方法

public class Speach 
{ 
private static Speach _Instance = null ; 
private SpeechLib.SpVoiceClass voice =null; //SAPI5.1
private SpeechLib.SpVoice voice = null;//SAPI 5.4
private Speach() 
{ 
BuildSpeach() ; 
} 
public static Speach instance() 
{ 
if (_Instance == null) 
_Instance = new Speach() ; 
return _Instance ; 
}

private void SetChinaVoice() 
{ 
voice.Voice = voice.GetVoices(string.Empty,string.Empty).Item(0) ; 
} 

private void SetEnglishVoice() 
{ 
voice.Voice = voice.GetVoices(string.Empty,string.Empty).Item(1) ; 
} 

private void SpeakChina(string strSpeak) 
{ 
SetChinaVoice() ; 
Speak(strSpeak) ; 
} 

private void SpeakEnglishi(string strSpeak) 
{ 
SetEnglishVoice() ; 
Speak(strSpeak) ; 
} 



public void AnalyseSpeak(string strSpeak) 
{ 
int iCbeg = 0 ; 
int iEbeg = 0 ; 
bool IsChina = true ; 
for(int i=0;i<strSpeak.Length;i++) 
{ 
char chr = strSpeak[i] ; 
if (IsChina) 
{ 
if (chr<=122&&chr>=65) 
{ 
int iLen = i - iCbeg ; 
string strValue = strSpeak.Substring(iCbeg,iLen) ; 
SpeakChina(strValue) ; 
iEbeg = i ; 
IsChina = false ; 
} 
} 
else 
{ 
if (chr>122||chr<65) 
{ 
int iLen = i - iEbeg ; 
string strValue = strSpeak.Substring(iEbeg,iLen) ; 
this.SpeakEnglishi(strValue) ; 
iCbeg = i ; 
IsChina = true ; 
} 
} 
}//end for 
if (IsChina) 
{ 
int iLen = strSpeak.Length - iCbeg ; 
string strValue = strSpeak.Substring(iCbeg,iLen) ; 
SpeakChina(strValue) ; 
} 
else 
{ 
int iLen = strSpeak.Length - iEbeg ; 
string strValue = strSpeak.Substring(iEbeg,iLen) ; 
SpeakEnglishi(strValue) ; 
} 
} 

private void BuildSpeach() 
{ 
if (voice == null) 
voice = new SpVoiceClass() ; 
}

public int Volume 
{ 
get 
{ 
return voice.Volume ; 
} 

set 
{ 
voice.SetVolume((ushort)(value)) ; 
} 
} 

public int Rate 
{ 
get 
{ 
return voice.Rate ; 
} 
set 
{ 
voice.SetRate(value) ; 
} 
} 

private void Speak(string strSpeack) 
{ 
try 
{ 
voice.Speak(strSpeack,SpeechVoiceSpeakFlags.SVSFlagsAsync) ; 
} 
catch(Exception err) 
{ 
throw(new Exception("发生一个错误："+err.Message)) ; 
} 
} 

public void Stop() 
{ 
voice.Speak(string.Empty,SpeechLib.SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak) ; 
} 

public void Pause() 

{ 
voice.Pause() ; 
} 

public void Continue() 
{ 
voice.Resume() ; 
} 
}//end class 

private void Speak(string strSpeack) 
{ 
try 
{ 
voice.Speak(strSpeack,SpeechVoiceSpeakFlags.SVSFlagsAsync) ; 
} 
catch(Exception err) 
{ 
throw(new Exception("发生一个错误："+err.Message)) ; 
}
} 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Speech.Synthesis;
using System.Speech;

namespace StudyBeta
{
  public class SRead
  {
    public SpeechSynthesizer synth; //语音合成对象
    public SRead()
    {
      synth = new SpeechSynthesizer();
    }
    public SRead(int m, int n)
    {
      //使用 synth 设置朗读音量 [范围 0 ~ 100]
      synth.Volume = m;
      //使用 synth 设置朗读频率 [范围 -10 ~ 10]
      synth.Rate = n;
    }
    public void SpeakChina(string ggg)
    {
      //SpVoice Voice = new SpVoice();
      synth.SelectVoice("Microsoft Lili");
      //Voice.Speak(ggg, SpFlags);
      synth.SpeakAsync(ggg);
      //String speechPeople = synth.Voice;
      //使用 synth 设置朗读音量 [范围 0 ~ 100]
      // synth.Volume = 80;
      //使用 synth 设置朗读频率 [范围 -10 ~ 10]
      //   synth.Rate = 0;
      //使用synth 合成 wav 音频文件:
      //synth.SetOutputToWaveFile(string path);
    }
    public void SpeakEnglish(string ggg)
    {
      //SpVoice Voice = new SpVoice();
      synth.SelectVoice("VW Julie");
      synth.Speak(ggg); //ggg为要合成的内容
    }
    public int m
    {
      get
      {
        return synth.Volume;
      }
      set
      {
        synth.Volume = value;
      }
    }
    public int n
    {
      get
      {
        return synth.Rate;
      }
      set
      {
        synth.Rate = value;
      }
    }
}