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https://github.com/math3ussdl/Plugin.Maui.AudioRecorder

This plugin provides functionality to record audio and transcribe spoken text into written format in real-time, while saving the audio file. It is designed for use with .NET Multi-platform App UI (MAUI) framework.
https://github.com/math3ussdl/Plugin.Maui.AudioRecorder

android audio audio-processing ios macos maui tizen windows

Last synced: 30 days ago
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This plugin provides functionality to record audio and transcribe spoken text into written format in real-time, while saving the audio file. It is designed for use with .NET Multi-platform App UI (MAUI) framework.

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README 

        
# Plugin.Maui.AudioRecorder



## Overview

This plugin provides functionality to record audio and transcribe spoken text into written format in real-time, while saving the audio file. It is designed for use with .NET Multi-platform App UI (MAUI) framework.



## Features

* Record audio from device microphone

* Real-time transcription of spoken text to written format

* Ability to save the audio file with transcription



## Installation

1 - Install the NuGet package ```Plugin.Maui.AudioRecorder``` 


2 - In your .NET MAUI project, add the following using statement to ```MauiProgram.cs``` file to use this plugin: 


```csharp

using Plugin.Maui.AudioRecorder;

```

3 - Add this plugin to the ```MauiApp``` pipeline: 


```csharp

builder

  // ...

  .UseAudioRecorder()

  // ...

```

4 - Enjoy it!



## Usage

## Inject the Audio service

First of all, you must inject the ```IAudioRecorder``` service, remembering that in this example we will consider a class that uses MVVM with the CommunityToolkit.Mvvm module.

```csharp

using CommunityToolkit.Mvvm.ComponentModel;

using Plugin.Maui.AudioRecorder;



namespace MyAwesomeProject.ViewModels;



[ObservableObject]

public partial class RecordingPageViewModel

{

  private readonly IAudioRecorder _audioRecorderService;



  public RecordingPageViewModel(IAudioRecorder audioRecorderService)

  {

    _audioRecorderService = audioRecorderService;

  }



  [ObservableProperty]

  private bool isRecording;



  // ...

}

```

If you prefer, you can call the instance as follows:

```csharp

var audioRecorderService = Services.GetService(typeof(IAudioRecorder)) as IAudioRecorder;



// ...

```



### Start Recording

To start the recording we offer the ```StartRecordAsync``` method, which can be called in two ways:



* Without parameters: In this way we only save the audio in the chosen path, i.e. we do not transcribe the audio for you.

```csharp

[RelayCommand]

private async void HandleRecord()

{

  // Setting the path of the file

  _audioRecorderService.FilePath = Path.Combine("/storage/emulated/0/Download", fileName);



  await audioService.StartRecordAsync();

}

```



* With parameters: If you want us to return to you, in addition to saving the audio, the transcribed text, you will need to pass three arguments to this method: An ```CultureInfo``` instance so we know what language your input audio will be, an ```IProgress``` instance, so you decide how the text will be processed, and a ```CancellationToken```, standard for asynchronous methods.

```csharp

[RelayCommand]

private async void HandleRecord()

{

  // Setting the path of the file

  _audioRecorderService.FilePath = Path.Combine("/storage/emulated/0/Download", fileName);



  await _audioService.StartRecordAsync(

    CultureInfo.GetCultureInfo("en-us"),

    new Progress(partialText =>

    {

      // ...

    }),

    CancellationToken.None,

  );

}

```



### Stop Recording

To stop the recording we offer the ```StopRecordAsync``` method:

```csharp

[RelayCommand]

private async void HandleStopRecord()

{

  // will returns a Audio instance!

  var audio = await _audioService.StopRecordAsync();

}

```



## Limitations

* Transcription accuracy may vary depending on factors such as background noise, speaker accent, and speech speed.

* This plugin only works on android. If you want, you can add support for other platforms via PRs.



## License

This plugin is released under the GNU AFFERO GENERAL PUBLIC License. See the LICENSE file for details.