C#实现文字转语音功能 C#实现文字转语音功能

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

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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
【C#实现文字转语音功能】控制台程序代码：

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 } /// /// 读取文件，返回相应字符串/// /// 文件路径/// 返回文件内容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：

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; /// /// 音量/// private int value = https://www.it610.com/article/100; /// /// 语速/// 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(); //} /// /// 读取本地文本文件的方法/// 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} /// /// 语音阅读完成触发此事件/// /// /// void speech_SpeakCompleted(object sender, SpeakCompletedEventArgs e){button1.Text = "语音试听"; } /// /// 拖动进度条事件/// /// /// 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 = https://www.it610.com/article/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); } /// /// 生成语音文件的方法/// /// 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脚本之家。