Build your own voice-command assistant with 80 lines of Javascript code
Building A Simple AI Chatbot With Web Speech API
In this tutorial, we will create a virtual assistant (like Siri or Google assistant) in the browser with just 80 lines of javascript code. The app can be tested out here, in which it will listen to the users’ voice commands and reply with a synthetic voice.
What you need:
- Google Chrome (25+)
- A text editor
As the Web Speech API is still experimental, the app works only in supported browsers (Chrome 25+ and Edge 79+).
What components do we need to build?
To build this web app, we need to implement four components:
1. A Simple UI to display what users speak and what the assistant responses.
2. Convert speech to text.
3. Process the text and perform the action.
4. Convert text to speech.
UI
The first step is to create a simple UI, it contains a button
to trigger the assistant, a div
to display what users command and assistant’s responses, a p
component to display the processing information.