安裝好以後,我們就可以開始進行語音程序的開發了,當然,在這之前我們需要把SAPI.dll通過如下圖所示添加到引用中
下面我們設計一個能夠朗讀中英文混合語言的類:
我們將用單例模式實現該類,類的代碼如下,我們將詳細解釋:
public class Speach
{
private static Speach _Instance = null ;
private SpeechLib.SpVoiceClass voice =null;
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("發生一個錯誤:"+err.Message)) ;
}
}
public void Stop()
{
voice.Speak(string.Empty,SpeechLib.SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak) ;
}
public void Pause()
{
voice.Pause() ;
}
public void Continue()
{
voice.Resume() ;
}
}//end class