Case Study

Mobile

AI Avatar Chat - Real-Time Voice AI Gift Assistant (Ava)

AI Avatar Chat is a Flutter-based mobile application that enables users to have real-time voice conversations with an AI-powered video avatar named Ava. The assistant helps users discover personalized gift recommendations through natural speech interactions and displays relevant gift suggestions in an interactive shopping interface.

Flutter (Dart)

GetX State Management

WebRTC & WebSocket

OpenAI Realtime API

Anam AI Avatar SDK

Firebase (Auth

Firestore

Storage

Messaging)

Challenges & solutions

The technical problems our team solved to ship a reliable, unified mobile experience.

Low-Latency Voice AI Communication

Delivering natural, real-time voice conversations between users and the AI assistant while minimizing audio latency, handling network fluctuations, and maintaining conversational flow required an optimized streaming architecture.

Synchronizing AI Avatar with Live Responses

Keeping the AI avatar's facial expressions, lip-sync, and animations accurately synchronized with streamed voice responses required precise coordination between avatar rendering, audio playback, and AI events.

Context-Aware Gift Recommendations

Generating relevant gift suggestions from natural conversations while preserving conversational context and dynamically refining recommendations required intelligent session and prompt management.

Real-Time Product Search Integration

Fetching and displaying gift recommendations during ongoing conversations without interrupting the voice interaction required seamless integration between AI responses and external product search services.

Reliable Session and Connection Management

Maintaining uninterrupted AI conversations across temporary network disruptions, reconnects, and session state changes required robust WebRTC, WebSocket, and lifecycle management.

Managing Real-Time Audio Permissions

Handling microphone access, audio routing, interruptions, and device-specific audio behaviors across different mobile devices while ensuring a smooth voice experience required comprehensive permission and audio session management.

Key features

What users get in the finished, shipped product.

Live AI Video Avatar (Ava) :

Overview : Real-time AI avatar int

Overview : Real-time AI avatar interaction.

Features : Live video streaming, a

Features : Live video streaming, avatar animations, real-time responses.

Real-Time Voice Conversation :

Overview : Natural voice-to-voice

Overview : Natural voice-to-voice communication with AI.

Features : Speech input, AI voice

Features : Speech input, AI voice responses, seamless conversations.

AI-Powered Gift Recommendations :

Overview : Personalized gift sugge

Overview : Personalized gift suggestions through AI conversations.

Features : Smart recommendations,

Features : Smart recommendations, contextual gift discovery.

Dynamic Gift Search :

Overview : Real-time product searc

Overview : Real-time product search during conversations.

Features : Gift catalog search, in

Features : Gift catalog search, interactive product display.

User Authentication :

Overview : Secure user access and

Overview : Secure user access and account management.

Features : Firebase Authentication

Features : Firebase Authentication, Google Sign-In.

Push Notifications :

Overview : Real-time notifications

Overview : Real-time notifications and user updates.

Features : Firebase Cloud Messagin

Features : Firebase Cloud Messaging integration.

Modern Responsive UI :

Overview : Optimized conversationa

Overview : Optimized conversational user experience.

Features : Responsive design, anim

Features : Responsive design, animations, dark theme support.

Session Management :

Overview : Reliable AI conversatio

Overview : Reliable AI conversation handling.

Features : Session lifecycle manag

Features : Session lifecycle management, connection monitoring.

Device and Permission Handling :

Overview : Manages required device

Overview : Manages required device permissions.

Features : Microphone access, audi

Features : Microphone access, audio management.

Connectivity and Updates :

Overview : Ensures app reliability

Overview : Ensures app reliability and maintenance.

Features : Network monitoring, in-

Features : Network monitoring, in-app update support.

Tech integrations

Third-party SDKs & libraries

5 core integrations powered

OpenAI Realtime API

Core system integration

Anam AI Avatar SDK

Core system integration

Firebase Services

Core system integration

Gift Search API

Core system integration

Google Sign-In

Core system integration

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