Developer Builds Ava, an AI Voice Assistant to Help Users Practice English

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A developer spent 10 days building Ava, an AI-powered voice assistant designed to help learners practice spoken English through real-time conversations. The system uses Deepgram for speech-to-text, Google's Gemini as the language model, and Murf Falcon for text-to-speech, with LiveKit handling real-time audio communication. Ava was built progressively, gaining features such as persistent user memory with consent-based data saving, live weather tool integration, and outbound calling capability. The assistant can also escalate conversations to a human tutor when a learner is confused or requests additional help. The project, developed under a 'VoiceForBharat' initiative, aimed to go beyond basic chatbot interactions by creating an agent that can listen, remember, act, and hand off to specialists when needed.

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