C#调用百度语音识别

1. 首先去百度语音开发平台申请两种key（APIkey, secretkey） 2. 根据key申请token，token申请一个好像可以使用一个月左右 3. 我把读取录音文件的目录写死了，就是bin/debug目录，可以自行修改，后面开发 4. 大致酱紫，很简单一个demo，可以在此基础上扩展 5. 将录音文件放入路径，可以直接识别

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Threading;
using Newtonsoft.Json.Linq;

namespace voice
{
    public partial class Form1 : Form
    {
        string cuid = “666“;//可以随便写
        string serverURL = “http://vop.baidu.com/server_api“;
        public Form1（）
        {
            InitializeComponent（）;
            cuid = Guid.NewGuid（）.ToString（）;
        }

        private string Post（string audioFilePath）
        {
            string token = “24.cd839bae72bde020346a1534258d8173.2592000.1479976284.282335-8792499“;
            serverURL += “?lan=zh&cuid=kwwwvagaa&token=“ + token;
            FileStream fs = new FileStream（audioFilePath FileMode.Open）;
            byte[] voice = new byte[fs.Length];
            fs.Read（voice 0 voice.Length）;
            fs.Close（）;
            fs.Dispose（）;

            HttpWebRequest request = null;

            Uri uri = new Uri（serverURL）;
            request = （HttpWebRequest）WebRequest.Create（uri）;
            request.Timeout = 5000;
            request.Method = “POST“;
            request.ContentType = “audio/wav; rate=16000“;
            request.ContentLength = voice.Length;
            try
            {
                using （Stream writeStream = request.GetRequestStream（））
                {
                    writeStream.Write（voice 0 voice.Length）;
                    writeStream.Close（）;
                    writeStream.Dispose（）;
                }
            }
            catch
            {
                return null;
            }
            string result = string.Empty;
            string result_final = string.Empty;
            using （HttpWebResponse response = （HttpWebResponse）request.GetResponse（））
            {
                using （Stream responseStream = response.GetResponseStream（））
                {
                    using （StreamReader readStream = new StreamReader（responseStream Encoding.UTF8））
                    {
                        string line = string.Empty;
                        StringBuilder sb = new StringBuilder（）;
                        while （!readStream.EndOfStream）
                        {
                            line = readStream.ReadLine（）;
                            sb.Append（line）;
                            sb.Append（“\r“）;
                        }
                        readStream.Close（）;
                        readStream.Dispose（）;
                        result = sb.ToString（）;
                        string[] indexs = result.Split（‘‘）;
                        foreach （string index in indexs）
                        {
                            string[] _indexs = index.Split（‘“‘）;
                            if （_indexs[2] == “:[“）
                                result_final = _indexs[

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-10-26 10:41  voice\
     目录           0  2016-10-25 12:21  voice\.vs\
     目录           0  2016-10-25 12:21  voice\.vs\voice\
     目录           0  2016-10-25 12:21  voice\.vs\voice\v14\
     文件       43520  2016-10-26 10:55  voice\.vs\voice\v14\.suo
     文件         240  2016-10-26 10:44  voice\README.txt
     目录           0  2016-10-26 10:55  voice\voice\
     文件         189  2016-10-25 12:21  voice\voice\App.config
     文件        2585  2016-10-25 18:37  voice\voice\Form1.Designer.cs
     文件        3442  2016-10-26 10:55  voice\voice\Form1.cs
     文件        5817  2016-10-25 18:37  voice\voice\Form1.resx
     文件         517  2016-10-25 12:21  voice\voice\Program.cs
     目录           0  2016-10-25 12:21  voice\voice\Properties\
     文件        1336  2016-10-25 12:21  voice\voice\Properties\AssemblyInfo.cs
     文件        2823  2016-10-25 12:21  voice\voice\Properties\Resources.Designer.cs
     文件        5612  2016-10-25 12:21  voice\voice\Properties\Resources.resx
     文件        1092  2016-10-25 12:21  voice\voice\Properties\Settings.Designer.cs
     文件         249  2016-10-25 12:21  voice\voice\Properties\Settings.settings
     目录           0  2016-10-25 12:21  voice\voice\bin\
     目录           0  2016-10-25 18:40  voice\voice\bin\Debug\
     文件      156204  2016-10-25 15:42  voice\voice\bin\Debug\0.wav
     文件       97324  2016-10-25 15:41  voice\voice\bin\Debug\1.wav
     文件      135724  2016-10-25 15:41  voice\voice\bin\Debug\2.wav
     文件        6947  1998-09-07 02:31  voice\voice\bin\Debug\3.wav
     文件      430592  2013-06-06 13:33  voice\voice\bin\Debug\Newtonsoft.Json.dll
     文件     1152512  2013-06-06 13:33  voice\voice\bin\Debug\Newtonsoft.Json.pdb
     文件      464518  2013-06-06 13:33  voice\voice\bin\Debug\Newtonsoft.Json.xml
     文件      130604  2016-10-25 15:41  voice\voice\bin\Debug\hi3.wav
     文件       10240  2016-10-26 10:55  voice\voice\bin\Debug\voice.exe
     文件         189  2016-10-25 12:21  voice\voice\bin\Debug\voice.exe.config
     文件       22016  2016-10-26 10:55  voice\voice\bin\Debug\voice.pdb
............此处省略25个文件信息