本文实例为大家分享了C#实现文字转语音的具体代码，供大家参考，具体内容如下
客户提出要求，将文字内容转为语音，因为内网环境，没办法采用联网，在线这种方式，灵机一动，能否写一个简单的例子呢，搜索相关资料还真行，话不多说，有图有真相
关键是，c#有现成的一个引用
右键点击项目 > 添加引用 > .Net > 找到System.Speech点击确定
控制台程序代码：
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using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Speech.Synthesis;using System.Text;using System.Threading.Tasks;using System.Windows.Forms; namespace TxtToVoice{ class Program { [STAThread] //默认线程模型是单线程单元 (STA) 模式 static void Main(string[] args) { //Application.EnableVisualStyles(); //Application.SetCompatibleTextRenderingDefault(false); //Application.Run(new Form1()); //return; OpenFileDialog open = new OpenFileDialog(); open.Title = "请选择文本"; //打开的文件选择对话框上的标题 open.Filter = "文本文件(*.txt)|*.txt|所有文件(*.*)|*.*";//设置文件类型 open.InitialDirectory = @"D:\project\";//默认打开目录 open.FilterIndex = 1;//设置默认文件类型显示顺序 open.RestoreDirectory = false;//是否记忆上次打开的目录 //open.Multiselect = true;//是否允许多选 string content=string.Empty; if (open.ShowDialog() == DialogResult.OK)//按下确定选择的按钮 { string[] filename = open.FileNames;//获取多个文件的路径及文件名并存入数组 MessageBox.Show(filename[0]); // MessageBox.Show(filename[1]); // MessageBox.Show(open.FileName); //获取路径及文件名 // MessageBox.Show(open.SafeFileName);//获取文件名 content = ReadFile(filename[0]); } //-----------------------------------读出文件内容--------------------------------- SpeechSynthesizer voice = new SpeechSynthesizer(); //创建语音实例 voice.Rate = -1; //设置语速,[-10,10] voice.Volume = 100; //设置音量,[0,100] //voice.SpeakAsync("Hellow Word"); //播放指定的字符串,这是异步朗读 //下面的代码为一些SpeechSynthesizer的属性，看实际情况是否需要使用 voice.SpeakAsyncCancelAll(); //取消朗读 voice.Speak(content); //同步朗读 voice.Pause(); //暂停朗读 voice.Resume(); //继续朗读 voice.Dispose(); //释放所有语音资源 } /// <summary> /// 读取文件，返回相应字符串 /// </summary> /// <param name="fileName">文件路径</param> /// <returns>返回文件内容</returns> private static string ReadFile(string fileName) { StringBuilder str = new StringBuilder(); using (FileStream fs = File.OpenRead(fileName)) { long left = fs.Length; int maxLength = 100;//每次读取的最大长度 int start = 0;//起始位置 int num = 0;//已读取长度 while (left > 0) { byte[] buffer = new byte[maxLength];//缓存读取结果 char[] cbuffer = new char[maxLength]; fs.Position = start;//读取开始的位置 num = 0; if (left < maxLength) { num = fs.Read(buffer, 0, Convert.ToInt32(left)); } else { num = fs.Read(buffer, 0, maxLength); } if (num == 0) { break; } start += num; left -= num; str = str.Append(Encoding.UTF8.GetString(buffer)); } } return str.ToString(); } }} |
窗体代码：
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using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Speech.Synthesis;using System.Text;using System.Threading;using System.Threading.Tasks;using System.Windows.Forms; namespace TxtToVoiceForm{ public partial class Form2 : Form { private SpeechSynthesizer speech; /// <summary> /// 音量 /// </summary> private int value = 100; /// <summary> /// 语速 /// </summary> private int rate; public Form2() { InitializeComponent(); ReadlocalFile(); comboBox1.SelectedIndex = 0; } private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { rate = Int32.Parse(comboBox1.Text); } //private void 打开文件ToolStripMenuItem_Click(object sender, EventArgs e) //{ // this.ReadlocalFile(); //} /// <summary> /// 读取本地文本文件的方法 /// </summary> private void ReadlocalFile() { var open = new OpenFileDialog(); open.ShowDialog(); //得到文件路径 string path = open.FileName; if (path.Trim().Length == 0) { return; } var os = new StreamReader(path, Encoding.UTF8); string str = os.ReadToEnd(); textBox1.Text = str; } private void 清空内容ToolStripMenuItem_Click(object sender, EventArgs e) { textBox1.Text = ""; } private void button1_Click(object sender, EventArgs e) { string text = textBox1.Text; if (text.Trim().Length == 0) { MessageBox.Show("不能阅读空内容!", "错误提示"); return; } if (button1.Text == "语音试听") { speech = new SpeechSynthesizer(); new Thread(Speak).Start(); button1.Text = "停止试听"; } else if (button1.Text == "停止试听") { speech.SpeakAsyncCancelAll();//停止阅读 button1.Text = "语音试听"; } } private void Speak() { speech.Rate = rate; //speech.SelectVoice("Microsoft Lili");//设置播音员（中文） //speech.SelectVoice("Microsoft Anna"); //英文 speech.Volume = value; speech.SpeakAsync(textBox1.Text);//语音阅读方法 speech.SpeakCompleted += speech_SpeakCompleted;//绑定事件 } /// <summary> /// 语音阅读完成触发此事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void speech_SpeakCompleted(object sender, SpeakCompletedEventArgs e) { button1.Text = "语音试听"; } /// <summary> /// 拖动进度条事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void trackBar1_Scroll(object sender, EventArgs e) { //因为trackBar1的值为（0-10）之间而音量值为（0-100）所以要乘10； value = trackBar1.Value * 10; } private void button2_Click(object sender, EventArgs e) { string text = textBox1.Text; if (text.Trim().Length == 0) { MessageBox.Show("空内容无法生成!", "错误提示"); return; } this.SaveFile(text); } /// <summary> /// 生成语音文件的方法 /// </summary> /// <param name="text"></param> private void SaveFile(string text) { speech = new SpeechSynthesizer(); var dialog = new SaveFileDialog(); dialog.Filter = "*.wav|*.wav|*.mp3|*.mp3"; dialog.ShowDialog(); string path = dialog.FileName; if (path.Trim().Length == 0) { return; } speech.SetOutputToWaveFile(path); speech.Volume = value; speech.Rate = rate; speech.Speak(text); speech.SetOutputToNull(); MessageBox.Show("生成成功!在" + path + "路径中！", "提示"); } private void label1_Click(object sender, EventArgs e) { } private void label3_Click(object sender, EventArgs e) { this.ReadlocalFile(); } }} |
意外得知C#丰富的功能，还是自己动手，没有想象的那么难，希望能帮到有需要的小伙伴们！
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/xu2034029667/article/details/90694965
