博客摘录「 Unity+C#，讯飞 文本转语音、语音转文本」并补充

大佬原博客链接： Unity+C#，讯飞 文本转语音、语音转文本_讯飞在unity中实现离线语音转文字-优快云博客文章浏览阅读3.6k次，点赞32次，收藏42次。本文介绍在Unity3D中，使用C#编写讯飞语音转文本、文本转语音的功能。这两个功能相似，学会一个另一个就简单了。_讯飞在unity中实现离线语音转文字https://blog.youkuaiyun.com/qq_44284055/article/details/134596939在此基础上，针对语音转文本，出现大量重复的话术，做了一些改动，原因是结果中添加了大量的过程语句导致，可能和讯飞控制台，开通的多候选句级有关系，具体也没有测试

主要针对STTParseMessage方法的数据解析做了一些变动。有需要的佬，可以参考试试

     /// <summary>
    /// 讯飞语音转文本，接收消息
    /// </summary>
    /// <returns></returns>
    private async Task<string> STTReceiveMessage()
    {
        //webSocket.
        //状态值
        int status = 0;
        string finalText = string.Empty;
        while (status != 2)
        {
            byte[] buffer = new byte[8 * 1024];
            WebSocketReceiveResult webSocketReceiveResult = await webSocket.ReceiveAsync(buffer, CancellationToken.None);

            string receivedMessage = Encoding.UTF8.GetString(buffer, 0, webSocketReceiveResult.Count);
            //await Console.Out.WriteLineAsync("receivedMessage：" + receivedMessage);
            //finalText += STTParseMessage(receivedMessage, out status);
            //这里不重复叠加
            finalText = STTParseMessage(receivedMessage, out status);
        }
        Debug.Log("讯飞语音转文本：" + finalText);
        return finalText;

    }


/// <summary>
 /// 讯飞语音转文本，解析收到的Json消息  //这里参考官方java的demo改了数据解析
 /// </summary>
 /// <param name="message"></param>
 /// <param name="status"></param>
 /// <returns></returns>
 private string STTParseMessage(string message, out int status)
 {
     ResponseData resp = JsonConvert.DeserializeObject<ResponseData>(message);
     if (resp != null)
     {
         if(resp.getCode() != 0)
         {
             Debug.Log("code=>" + resp.getCode() + " error=>" + resp.getMessage() + " sid=" + resp.getSid());
             Debug.Log("错误码查询链接：https://www.xfyun.cn/document/error-code");
         }
         else 
         {
             if(resp.getData() != null)
             {
                 if (resp.getData().getResult() != null)
                 {
                     Text te = resp.getData().getResult().getText();
                     try
                     {
                         Decoder.decode(te);

                         status = resp.getData().getStatus();
                         Debug.Log("中间识别结果 ==》" + Decoder.toString());

                         return Decoder.toString();
                     }
                     catch (Exception e)
                     {
                         Debug.Log(e.Message);
                     }
                 }
                 if (resp.getData().getStatus() == 2)
                 {
                     status = resp.getData().getStatus();
                     var txt = Decoder.toString();
                     Decoder.discard();
                     return txt;
                 }
             }                    
         }
     }
     status = -1;
     return string.Empty;
 }
 [Serializable]
 public  class ResponseData
 {
     public int code;
     public string message;
     public string sid;
     public Data data;
     public int getCode()
     {
         return code;
     }
     public string getMessage()
     {
         return this.message;
     }
     public string getSid()
     {
         return sid;
     }
     public Data getData()
     {
         return data;
     }
 }
 [Serializable]
 public class Data
 {
     public int status;
     public Result result;
     public int getStatus()
     {
         return status;
     }
     public Result getResult()
     {
         return result;
     }
 }
 [Serializable]
 public class Result
 {
     public int bg;
     public int ed;
     public String pgs;
     public int[] rg;
     public int sn;
     public Ws[] ws;
     public bool ls;
     public JObject vad;
     public Text getText()
     {
         Text text = new Text();
         StringBuilder sb = new StringBuilder();
         foreach (Ws ws in this.ws)
         {
             sb.Append(ws.cw[0].w);
         }
         text.sn = this.sn;
         text.text = sb.ToString();
         text.sn = this.sn;
         text.rg = this.rg;
         text.pgs = this.pgs;
         text.bg = this.bg;
         text.ed = this.ed;
         text.ls = this.ls;
         text.vad = this.vad == null ? null : this.vad;
         return text;
     }
 }
 [Serializable]
 public class Ws
 {
     public Cw[] cw;
     public int bg;
     public int ed;
 }
 [Serializable]
 public class Cw
 {
     public int sc;
     public string w;
 }
 [Serializable]
 public class Text
 {
     public int sn;
     public int bg;
     public int ed;
     public string text;
     public string pgs;
     public int[] rg;
     public bool deleted;
     public bool ls;
     public JObject vad;
     public string toString()
     {
         return "Text{" +
                 "bg=" + bg +
                 ", ed=" + ed +
                 ", ls=" + ls +
                 ", sn=" + sn +
                 ", text='" + text + '\'' +
                 ", pgs=" + pgs +
                 ", rg=" +  rg.ToString() +
                 ", deleted=" + deleted +
                 ", vad=" + (vad == null ? "null" : vad["ws"].ToString()) +
                 '}';
     }
 }
 //解析返回数据，仅供参考
 public static class Decoder
 {
     private static Text[] texts;
     private static int defc = 10;
     static Decoder()
     {
         texts = new Text[defc];
     }
     public static void decode(Text text)
     {
         if (text.sn >= defc)
         {
             resize();
         }
         if ("rpl".Equals(text.pgs))
         {
             for (int i = text.rg[0]; i <= text.rg[1]; i++)
             {
                 texts[i].deleted = true;
             }
         }
         texts[text.sn] = text;
     }
     public static string toString()
     {
         StringBuilder sb = new StringBuilder();

         foreach (Text t in texts)
         {
             if (t != null && !t.deleted)
             {
                 sb.Append(t.text);
             }
         }
         return sb.ToString();
     }
     public static void resize()
     {
         int oc = defc;
         defc <<= 1;
         Text[] old = texts;
         texts = new Text[defc];
         for (int i = 0; i < oc; i++)
         {
             texts[i] = old[i];
         }
     }
     public static void discard()
     {
         for (int i = 0; i < texts.Length; i++)
         {
             texts[i] = null;
         }
     }
 }