试图创建一些简单的系统，语音，识别语法

本文关键字：系统 语音 识别 语法 简单 创建 | 更新日期: 2023-09-27 18:12:48

你好，我正在尝试解析语音说的时间:

        var ret = new GrammarBuilder();
        var hours = new Choices();
        for (int c = 1; c < 24; c++)
            hours.Add(new SemanticResultValue(c.ToString(), c));
        var minutes = new Choices();
        for (int c = 1; c < 60; c = c + 1)
            minutes.Add(new SemanticResultValue(c.ToString(), c));
        var topLevelChoices = new Choices();
        //eight fourty five = 8:45
        //four twenty = 4:20
        var methodOne = new GrammarBuilder();
        methodOne.Append(new SemanticResultKey("hour", hours));
        methodOne.Append(new SemanticResultKey("minute", minutes));
        topLevelChoices.Add(methodOne);
        //quarter to five = 4:45
        //half past ten = 10:30
        var methodTwo = new GrammarBuilder();
        methodTwo.Append(new SemanticResultKey("minute", new Choices(
            new SemanticResultValue("twenty past", 20),
            new SemanticResultValue("twenty to", -20),
            new SemanticResultValue("quarter past", 15),
            new SemanticResultValue("quarter to", -15),
            new SemanticResultValue("half past", 30)
            )));
        methodTwo.Append(new SemanticResultKey("hour", hours));
        topLevelChoices.Add(methodTwo);
        //ten o'clock
        //one o'clock
        var methodThree = new GrammarBuilder();
        methodThree.Append(new SemanticResultKey("hour", hours));
        methodThree.Append("o'clock");
        topLevelChoices.Add(methodThree);
        ret.Append(topLevelChoices);
        var g = new Grammar(ret); //crash occurs here

但是我得到了一个类型为'System '的异常。在mscorlib.dll中发生了ArgumentOutOfRangeException(附加信息:索引超出范围)。必须非负且小于集合的大小。)参见upper-stack:

mscorlib.dll!System.ThrowHelper.ThrowArgumentOutOfRangeException() + 0x4e bytes 
mscorlib.dll!System.Collections.Generic.List<System.__Canon>.this[int].set(int index, System.__Canon value) + 0x3b bytes    
System.Speech.dll!System.Speech.Internal.GrammarBuilding.BuilderElements.Optimize(System.Collections.ObjectModel.Collection<System.Speech.Internal.GrammarBuilding.RuleElement> newRules) + 0x38e bytes 
System.Speech.dll!System.Speech.Recognition.GrammarBuilder.InternalGrammarBuilder.CreateElement(System.Speech.Internal.SrgsParser.IElementFactory elementFactory, System.Speech.Internal.SrgsParser.IElement parent, System.Speech.Internal.SrgsParser.IRule rule, System.Speech.Internal.GrammarBuilding.IdentifierCollection ruleIds) + 0x83 bytes    
System.Speech.dll!System.Speech.Recognition.GrammarBuilder.CreateGrammar(System.Speech.Internal.SrgsParser.IElementFactory elementFactory) + 0x6e bytes 
System.Speech.dll!System.Speech.Recognition.GrammarBuilder.Compile(System.IO.Stream stream) + 0x7e bytes    
System.Speech.dll!System.Speech.Recognition.Grammar.LoadCfg(bool isImportedGrammar, bool stgInit) + 0x174 bytes 
System.Speech.dll!System.Speech.Recognition.Grammar.LoadAndCompileCfgData(bool isImportedGrammar, bool stgInit) + 0x32 bytes    
> SapiGrammarCrash.exe!SapiGrammarCrash.Form1.Form1_Load(object sender, System.EventArgs e) Line 71 + 0x29 bytes    C#

我尝试过。net 3.0和4.5 -结果相同。还尝试了2台机器-都是x64。

任何想法?

试图创建一些简单的系统，语音，识别语法

我很确定您正在重新绑定SemanticResultValues。文档中特别提到

在使用了一个SemanticResultValue来设置Value之后，是否使用默认根密钥或任何特定的SemanticResultKey，该值不能被修改或异常将在识别操作中发生。

解决方法是为你的methodThree创建一组单独的SemanticResultValues。

相关文章：