Wit.ai WebXR Voice Demo

Overview

This demo will show you how to integrate Wit.ai (NLU service) and A-Frame (WebXR library) to build a voice enabled VR application (that can be adapted for AR as well). The app will allow users to ask our sudo AI voice assistant built with the Web-Speech-API to add 3D objects to our VR environment with voice commands, such as “Hey Gizmo, drop a box”.

F8.Voice.XR.Wit.ai.Talk.mp4

Slides for Building Immersive Voice XR Experiences with Wit.ai.pdf

Prerequisites

• Create a Wit.ai account
• Use a Web-Speech-API compatible browser
• Use a WebGL compatible browser
• Have a microphone connected to your computer

Launch the Demo Setup

• Create a new Wit.ai app
• Unzip and import src/wit_example.zip to your Wit.ai app
• Update CLIENT_TOKEN in src/voice.js to the client token obtained from your app’s Settings page
• Open the src/index.html file in your browser
• Allow microphone access

Supported Voice Commands

Below are some voice commands that are supported, but you can also go to your Wit.ai app and select Utterances to view and extend them:

• “drop a box”
• “add a cylinder”
• “drop a sphere”
• “I summon a box”
• “can you add a cylinder”
• “please add a cylinder”

References

• Wit.ai
• A-Frame
• Web-Speech-API

Contributing

See the CONTRIBUTING file for how to help out.

License

Wit.ai WebXR Voice Demo is licensed, as found in the LICENSE file.