微软TTS语音源码(将文本转为语音并播放)

【实例简介】利用微软TTS语音，字符串转语音播放，或者保存为语音文件。 语音库需自行下载，推荐Hui 发音人 微软TTS文字转语音发音人修复

微软TTS语音 Win7修复 发音人

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Speech.Synthesis;
using SpeechLib;

namespace TextToVoice
{
    public partial class Form1 : Form
    {
        //private ISpeechObjectTokens ist=null;
        private SpVoice voice = new SpVoice();
        //SpeechVoiceSpeakFlags svs = SpeechVoiceSpeakFlags.SVSFDefault;
        SpeechVoiceSpeakFlags svs=SpeechVoiceSpeakFlags.SVSFlagsAsync;//异步朗读模式  
        string strVoiceName = string.Empty;
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                if (this.comboBox1.SelectedIndex > -1)
                {
                    SpeechSynthesizer synth = new SpeechSynthesizer();
                    string voiceName = comboBox1.Text.Substring(0, comboBox1.Text.IndexOf('-') - 1);
                    synth.SelectVoice(voiceName);
                    synth.SpeakAsync(textBox1.Text);
                }
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            tbRate.Minimum = -10;
            tbRate.Maximum = 10;
            tbRate.SmallChange = 1;
            tbRate.Value = 0;
            tbVolume.Minimum = 0;
            tbVolume.Maximum = 100;
            tbVolume.SmallChange = 1;
            tbVolume.Value = 20;

            ISpeechObjectTokens ist = voice.GetVoices(string.Empty, string.Empty);
            foreach (SpObjectToken sjt in ist)
            {
                //string name = sjt.GetAttribute("name");
                string vn = sjt.GetAttribute("name"); //sjt.GetDescription();
                if (vn.IndexOf('-')>1)
                {
                    this.comboBox1.Items.Add(vn);
                    //this.comboBox1.Items.Add(vn.Substring(0, vn.IndexOf('-') - 1));
                }
                else
                {
                    this.comboBox1.Items.Add(vn.Trim());
                }
                
            }
            if (this.comboBox1.Items.Count>0)
            {
                this.comboBox1.SelectedIndex = 0;
            }
        }

        private void btnSpeak_Click(object sender, EventArgs e)
        {

            if (this.comboBox1.SelectedIndex >-1)
            {
                if (voice.GetVoices("name="   strVoiceName, string.Empty).Count==0)
                {
                    MessageBox.Show("未找到相应的发音人！");
                    return;
                }
                voice.Voice = voice.GetVoices("name="   strVoiceName, string.Empty).Item(0);
                voice.Volume = tbVolume.Value;
                voice.Rate = tbRate.Value;
                try
                {
                    voice.Speak(textBox1.Text, svs);
                }
                catch (System.Exception ex)
                {
                    MessageBox.Show("此发音人存在异常："   ex.Message);
                }
                
            }
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                SpeechVoiceSpeakFlags SpFlags = SpeechVoiceSpeakFlags.SVSFlagsAsync;
                SpVoice Voice1 = new SpVoice();       
                //输出到语音文件        
                SaveFileDialog dialog = new SaveFileDialog();
                dialog.Filter = "All files (*.*)|*.*|wav files (*.wav)|*.wav";
                dialog.Title = "Save to a wave file";
                dialog.FilterIndex = 2;
                dialog.RestoreDirectory = true;
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    if (voice.GetVoices("name="   strVoiceName, string.Empty).Count == 0)
                    {
                        MessageBox.Show("未找到相应的发音人！");
                        return;
                    }
                    Voice1.Voice = Voice1.GetVoices("name="   strVoiceName, string.Empty).Item(0);
                    Voice1.Volume = tbVolume.Value;
                    Voice1.Rate = tbRate.Value;

                    SpeechStreamFileMode spFileMode = SpeechStreamFileMode.SSFMCreateForWrite;//写模式  
                    SpFileStream spFileStream = new SpFileStream();//文件流  
                    spFileStream.Open(dialog.FileName, spFileMode, false);
                    Voice1.AudioOutputStream = spFileStream;//voice设置输出对象为文件流  
                    Voice1.Speak(textBox1.Text.Trim(), SpFlags);//speak到文件流中，这时音频不会有声音发出  
                    Voice1.WaitUntilDone(5000);//直到输出完成或者超时  
                    spFileStream.Close();
                    MessageBox.Show("导出语音成功！");  
                }  
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void tbVolume_ValueChanged(object sender, EventArgs e)
        {
            voice.Volume = tbVolume.Value;
        }

        private void tbRate_ValueChanged(object sender, EventArgs e)
        {
            voice.Rate = tbRate.Value;
        }

        private void btnPause_Click(object sender, EventArgs e)
        {
            voice.Pause();
        }

        private void btnResume_Click(object sender, EventArgs e)
        {
            voice.Resume();
        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            voice.Resume();
            voice.Speak(string.Empty, SpeechLib.SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak); 
        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comboBox1.SelectedIndex>-1)
            {
                strVoiceName = comboBox1.Text.Trim();
            }
        }
    }
}