我有一个认可项目。它工作,但如果我使用这个项目如何一个类,并从其他类调用其方法我有一个异常的问题在线:
sre = new SpeechRecognitionEngine(ri.Id);
错误是:
找不到所需身份证件的识别器。
代码:
KinectAudioSource source = kinectSensor.AudioSource;
source.EchoCancellationMode = EchoCancellationMode.None; // No AEC for this sample
source.AutomaticGainControlEnabled = false; // Important to turn this off for speech recognition
// source.SystemMode = SystemMode.OptibeamArrayOnly;
speechRecognizer = CreateSpeechRecognizer();
using (Stream s = source.Start())
{
speechRecognizer.SetInputToAudioStream(s, new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
Console.WriteLine("Recognizing speech. Say: 'purple', 'green' or 'blue'. Press ENTER to stop");
speechRecognizer.RecognizeAsync(RecognizeMode.Multiple);
Console.ReadLine();
Console.WriteLine("Stopping recognizer ...");
speechRecognizer.RecognizeAsyncStop();
}
private static SpeechRecognitionEngine CreateSpeechRecognizer()
{
RecognizerInfo ri = GetKinectRecognizer();
SpeechRecognitionEngine sre;
//if (ri == null) return 0;
sre = new SpeechRecognitionEngine(ri.Id);
var colors = new Choices();
colors.Add("red");
colors.Add("green");
colors.Add("blue");
var gb = new GrammarBuilder { Culture = ri.Culture };
gb.Append(colors);
// Create the actual Grammar instance, and then load it into the speech recognizer.
var g = new Grammar(gb);
sre.LoadGrammar(g);
sre.SpeechRecognized += SreSpeechRecognized;
sre.SpeechHypothesized += SreSpeechHypothesized;
sre.SpeechRecognitionRejected += SreSpeechRecognitionRejected;
return sre;
}
private static RecognizerInfo GetKinectRecognizer()
{
Func<RecognizerInfo, bool> matchingFunc = r =>
{
string value;
r.AdditionalInfo.TryGetValue("Kinect", out value);
return "True".Equals(value, StringComparison.InvariantCultureIgnoreCase) && "en-US".Equals(r.Culture.Name, StringComparison.InvariantCultureIgnoreCase);
};
return SpeechRecognitionEngine.InstalledRecognizers().Where(matchingFunc).FirstOrDefault();
}
答案 0 :(得分:4)
我认为您的GetKinectRecognizer()方法不正确。
TryGetValue()是否返回布尔值(如果找到)并将值作为out参数找到?你没有对TryGetvalue()返回的布尔值做任何事情。
您是否期望AdditionalInfo字典的密钥等于“Kinect”以及字符串“True”或“False”值?这就是您的代码似乎要查找的内容。
此代码是否基于您可以指向的示例。我没有真正按照您在matchingFunc中测试的内容。你忽略了TryGetvalue的返回值,你正在寻找一个名为“Kinect”的字符串值为“True”的AdditionalInfo键,以及一个文化为“en-US”的识别器。
为什么不直接转储SpeechRecognitionEngine.InstalledRecognizers()的内容,并确保它包含您认为包含的内容。这是老派,但很有用:
foreach (RecognizerInfo ri in SpeechRecognitionEngine.InstalledRecognizers())
{
Debug.WriteLine(String.Format("Id={0}, Name={1}, Description={2}, Culture={3}", ri.Id, ri.Name, ri.Description, ri.Culture));
foreach(string key in ri.AdditionalInfo.Keys)
{
Debug.WriteLine(string.Format("{0} = {1}", key, ri.AdditionalInfo[key]));
}
Debug.WriteLine("-");
}
我没有安装Kinect SDK,但在我的Windows 7机器上显示:
Id=MS-1033-80-DESK, Name=MS-1033-80-DESK, Description=Microsoft Speech Recognizer 8.0 for Windows (English - US), Culture=en-US
VendorPreferred =
CommandAndControl =
Version = 8.0
Language = 409;9
Desktop =
SupportedLocales = 409;1009;3409;9
AudioFormats = 16;18;20;22;45;53;{6F50E21C-E30E-4B50-95E9-21E8F23D15BD}
SpeakingStyle = Discrete;Continuous
WildcardInCFG = Anywhere;Trailing
Dictation =
Hypotheses =
Alternates = CC;Dictation
windowsV6compatible =
Name = MS-1033-80-DESK
DictationInCFG = Anywhere;Trailing
UPSPhoneSet =
WordSequences = Anywhere;Trailing
Vendor = Microsoft
-
Id=MS-2057-80-DESK, Name=MS-2057-80-DESK, Description=Microsoft Speech Recognizer 8.0 for Windows (English - UK), Culture=en-GB
=
VendorPreferred =
CommandAndControl =
Version = 8.0
Language = 809
Desktop =
SupportedLocales = 809;C09;1409;1809;1C09;2009;2409;2809;2C09;3009;4009;4409;4809;9
AudioFormats = 16;18;20;22;45;53;{6F50E21C-E30E-4B50-95E9-21E8F23D15BD}
SpeakingStyle = Discrete;Continuous
WildcardInCFG = Anywhere;Trailing
Dictation =
Hypotheses =
Alternates = CC;Dictation
windowsV6compatible =
Name = MS-2057-80-DESK
DictationInCFG = Anywhere;Trailing
UPSPhoneSet =
WordSequences = Anywhere;Trailing
Vendor = Microsoft
-
-
确保您在AdditionalInfo字典中查找的值确实存在。然后制作您的matchingFunc以检查它。
答案 1 :(得分:3)
试试这个。它对我有用。
private static RecognizerInfo GetKinectRecognizer()
{
foreach (RecognizerInfo recognizer in SpeechRecognitionEngine.InstalledRecognizers())
{
System.Diagnostics.Debug.Write(recognizer.Culture.Name+"\n\n");
//string value;
//recognizer.AdditionalInfo.TryGetValue("Kinect",out value);
if ("en-US".Equals(recognizer.Culture.Name, StringComparison.OrdinalIgnoreCase))
{
return recognizer;
}
}
return null;
}