In this project, the author aims to upgrade a basic Vue 3 to-do list app by adding voice control functionality using Deepgram's speech-to-text API. The new feature will allow users to add, delete, or check off items on the list through voice commands. The author provides detailed step-by-step instructions and code snippets for building this voice-controlled to-do list app. They also discuss Deepgram's endpointing and interim results features that enable real-time transcription of audio streams.