文字转换为语音VB.NEt实现

Imports System.Speech.Synthesis
Imports SpeechLib

Public Class Form1
Public Sub New()
' 此调用是 Windows 窗体设计器所必需的。
InitializeComponent()
' 在 InitializeComponent() 调用之后添加任何初始化。
End Sub
'分别用两种方法实现
Dim ss As SpeechSynthesizer '定义一个语音引擎访问全局变量
Dim voice As SpVoice = New SpVoice '调用第三方工具库SpeechLib
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
ss = New SpeechSynthesizer() '实例化
Dim voicestring As String = "" '定义一个字符串
For Each iv As InstalledVoice In ss.GetInstalledVoices() '遍历已安装的语音引擎
ComboxVoice.Items.Add(iv.VoiceInfo.Name) '将其名字添加到组合框
Next
ComboxVoice.SelectedIndex = 0 '默认显示第一个
End Sub

Private Sub ButtonRead_Click(sender As Object, e As EventArgs) Handles ButtonRead.Click
voice.Voice = voice.GetVoices(String.Empty, String.Empty).Item(0) '设置中文语音
'voice.Voice = voice.GetVoices(String.Empty, String.Empty).Item(1) '设置英文语音,只读英文
' voice.Rate = trackBarSpeed.Value '设置语速
'voice.Volume = trackBarVolumn.Value '设置音量
ss.SelectVoice(ComboxVoice.SelectedItem) '选择语音引擎
ss.Rate = trackBarSpeed.Value '设置语速
ss.Volume = trackBarVolumn.Value '设置音量
'voice.Speak(txtMsg.Text, SpeechVoiceSpeakFlags.SVSFDefault) '同步朗读
' voice.Speak(txtMsg.Text, SpeechVoiceSpeakFlags.SVSFlagsAsync) '异步朗读
ss.SpeakAsync(txtMsg.Text) '异步发出语音

End Sub

Private Sub ButtonPause_Click(sender As Object, e As EventArgs) Handles ButtonPause.Click
ss.Pause() '暂停播放
'voice.Pause()
End Sub

Private Sub ButtonContinue_Click(sender As Object, e As EventArgs) Handles ButtonContinue.Click
ss.Resume() '继续播放
'voice.Resume()
End Sub

Private Sub ButtonRecord_Click(sender As Object, e As EventArgs) Handles ButtonRecord.Click
Dim ss As SpeechSynthesizer = New SpeechSynthesizer() '定义一个局部变量
ss.Rate = trackBarSpeed.Value
ss.Volume = trackBarVolumn.Value
Dim sfd As SaveFileDialog = New SaveFileDialog() '定义一个文件保存提示框，并且实例化
sfd.Filter = "Wave Files|*.wav" '设置文件类型为语音文件（.wav）
If sfd.ShowDialog = DialogResult.OK Then '如果选择了文件名
ss.SetOutputToWaveFile(sfd.FileName) '输出音频文件
ss.Speak(txtMsg.Text)
ss.SetOutputToDefaultAudioDevice()
MessageBox.Show("完成录音~~", "提示")
End If
End Sub

Private Sub ButtonClose_Click(sender As Object, e As EventArgs) Handles ButtonClose.Click
Application.Exit() '应用退出
End Sub
End Class