Locutius.Capture

Client console tool to capture both microphone and speaker (loopback) on a local computer.

• Convert audio streams to PCM format, 16000 samples per second, 16 bits per sample, 1 channel (mono).
• Send streams via websockets to the targeted Uri (Piscato.Gateway).

Build

dotnet build

This application targets .Net Core 3.1.

Run

Just start Locutius.Capture.exe with at least --uri option:

-d, --debug    Enable the debug mode (record audio files locally).
-u, --uri      Required. Uri of the audio gateway.
--help         Display this help screen.
--version      Display version information.

For instance:

.\Locutius.Capture.exe --uri "ws://localhost:5000" --debug

The debug mode record audio file before and after the conversion.

• guid-loopback-raw.wav : raw is the audio file directly captured (Ieee).
• guid-loopback-out.wav : out is the audio file converted (PCM).

Locutius.Gateway

Build

For local development, add appsettings.Development.json file to Locutius.Gateway root with the following format.

{
    "Logging": {
      "LogLevel": {
        "Default": "Information",
        "Microsoft": "Warning",
        "Microsoft.Hosting.Lifetime": "Information"
      }
    },
    "Azure.Storage.Container.Audio": "audios",
    "Azure.Storage.Container.Transcript": "transcripts",
    "Azure.Cognitive.Speech.Key": "<YourSpeechKey>",
    "Azure.Cognitive.Speech.Region": "westeurope",
    "Azure.Cognitive.Speech.Language": "en-US",
    "Azure.Cognitive.Speech.EndpointId":  "",
    "Azure.KeyVault.Name": "locutius-dev-keyvault",
}

Once deployed, the following environment variables MUST be provided:

• Azure.Storage.Container.Audio: Name of the Audio container,
• Azure.Storage.Container.Transcript: Name of the Transcript container,
• Azure.Cognitive.Speech.Region: Region of speech service (for instance 'westeurope').
• Azure.Cognitive.Speech.Language: Targeted language (for instance 'en-US').
• Azure.Cognitive.Speech.EndpointId: Endpoint ID of a customized speech model.
• Azure.KeyVault.Name: KeyVault name.
• Azure.Cognitive.Speech.Key: Key of speech service. ** Should be placed in KeyVault **