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System.PlatformNotSupportedException: Speech recognition is not available on this system. SAPI and speech recognition engines cannot be found

I am running Windows 7 Professional 64-bit with Visual Studio 2010.

I installed Microsoft Speech Platform - Runtime version v10.2 and en-US language packs.

I created a web service (web application) using Microsoft.Speech. In my test, the web service receives a string and simulates recognition based on some grammar rules.

When I run it in Visual Studio using ASP.NET Development Server, it works without problems.

Then I go to II and create a virtual directory pointing to it. When I try to call a web method, I get this error:

System.PlatformNotSupportedException: Speech Recognition is not available on this system. SAPI and Speech Recognition engines cannot be found.
   at Microsoft.Speech.Internal.SapiInterop.SapiRecognizer..ctor(RecognizerType type)
   at Microsoft.Speech.Recognition.SpeechRecognitionEngine.Initialize(RecognizerInfo recognizerInfo)
   at Microsoft.Speech.Recognition.SpeechRecognitionEngine..ctor(CultureInfo culture)
   at VoiceCommand.SimulateVoiceCommand(String command) in c:\Development\Visual Studio 2010\VoiceCommandWebService\VoiceCommandWS\App_Code\VoiceCommand.cs:line 35

I don’t know what the difference is because I am running it on the same machine. Could this be a permission issue?

+3
1

Microsoft Forum.

Microsoft Speech Platform - Runtime , Windows 7, Windows Server.

- Windows Server 2008 .

+2

Source: https://habr.com/ru/post/1770746/

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