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Speech-to-text WPF sample for .NET Framework on Windows

This sample demonstrates how to recognize speech with C# in a WPF application under the .NET Framework on Windows. It demonstrates recognition in the language of your choice, from microphone.

The sample runs on .NET Framework 4.6.1 (or above) on Windows.

Prerequisites

  • A subscription key for the Speech service. See Try the speech service for free.
  • A Windows PC; some sample scenarios require a working microphone.
  • Microsoft Visual Studio 2017, Community Edition or higher.
  • The .NET desktop development workload in Visual Studio. You can enable it in Tools > Get Tools and Features.

Build the sample

  • By building this sample you will download the Microsoft Cognitive Services Speech SDK. By downloading you acknowledge its license, see Speech SDK license agreement.
  • Start Microsoft Visual Studio 2017 and select File > Open > Project/Solution.
  • Navigate to the folder containing this sample, and select the solution file contained within it.
  • Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

  • Put your Region in "StartButton_Click" function

To debug the app and then run it, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  • Put your Subscription Key in "Subscription Key" text box and save it once.

The app displays a graphical user interface (GUI), which shows baseline model recognition results on the left. Use the Settings fly-out on the right to configure recognition type and language.

If you like detailed output from the speech service, use the Baseline Model Output fly-outs at the bottom of the GUI.

References