Offline SpeechToText

[VladislavAntonyuk]

Feature name

SpeechToText

Progress tracker

• Android Implementation
• iOS Implementation
• MacCatalyst Implementation
• Windows Implementation
• Tizen Implementation
• Unit Tests
• Samples
• Documentation

Summary

Free Speech recognition functionality that is available offline.

More details with samples at https://vladislavantonyuk.azurewebsites.net/articles/Speech-recognition-with-.NET-MAUI

Motivation

Allows offline SpeechToText to allow without internet connection.

Detailed Design

https://developer.apple.com/documentation/speech
https://developer.android.com/reference/android/speech/SpeechRecognizer
https://learn.microsoft.com/en-us/uwp/api/windows.media.speechrecognition?view=winrt-22621

The same API as online Speech Recognition but with Offline suffix

Usage Syntax

var isAuthorized = await speechToText.RequestPermissions();
		if (isAuthorized)
		{
			try
			{
				RecognitionText = await speechToText.StartListeningOffline(CultureInfo.GetCultureInfo(Locale?.Language ?? "en-us"), new Progress<string>(partialText =>
					{
						RecognitionText += partialText + " ";
					}), cancellationToken);
			}
			catch (Exception ex)
			{
				await Toast.Make(ex.Message).Show(cancellationToken);
			}
		}
		else
		{
			await Toast.Make("Permission denied").Show(cancellationToken);
		}

Drawbacks

No response

Alternatives

No response

Unresolved Questions

No response