System Requirements Document (SRD)

Project Name: retro-voice

1. Introduction

The retro-voice project aims to develop a next-generation general-purpose voice assistant that surpasses existing systems like Google Gemini in terms of power, functionality, and user experience. This voice assistant will leverage advanced conversational AI, deep context understanding, and multi-modal input capabilities to provide seamless and human-like interactions.

The system is designed to cater to a wide range of users and use cases, offering a highly personalized and intuitive experience. The assistant will require users to create accounts to enable advanced personalization features and ensure a secure, tailored experience.

2. System Overview

The retro-voice system will act as a robust, AI-powered voice assistant capable of handling complex queries, context switching, and multi-functional tasks. It will integrate cutting-edge AI models and technologies to deliver a highly interactive and intelligent user experience.

Key features include:

• Advanced conversational AI with context-aware responses.
• Multi-modal input support (voice, text, and images).
• User account creation for enhanced personalization and data security.
• A sleek, intuitive user interface with a unique retro-futuristic design.

The system will be designed to cater to users in India, with localization for Indian languages, time zones (IST), and cultural nuances.

3. Functional Requirements

• As a User, I should be able to create an account to enable personalized experiences.
• As a User, I should be able to interact with the assistant using voice, text, and images.
• As a User, I should be able to ask complex, multi-part questions and receive accurate, context-aware responses.
• As a User, I should be able to switch between topics seamlessly during a conversation without losing context.
• As a User, I should be able to receive multi-functional responses (e.g., setting reminders, answering queries, generating images, etc.).
• As a User, I should be able to use the assistant in multiple Indian languages.
• As a User, I should be able to access the assistant across multiple devices (web, mobile).

4. User Personas

1. General User

• Description: Everyday individuals seeking assistance with tasks, queries, and entertainment.
• Goals: Simplify daily tasks, access information quickly, and enjoy seamless interactions.
• Pain Points: Frustration with assistants that fail to understand complex queries or lack contextual awareness.

2. Tech Enthusiast

• Description: Tech-savvy users who enjoy exploring cutting-edge AI technologies.
• Goals: Test the limits of the assistant’s capabilities and leverage its advanced features.
• Pain Points: Disappointment with assistants that feel generic or lack innovation.

5. Visuals Colors and Theme

The retro-voice project will feature a unique retro-futuristic aesthetic, blending nostalgic design elements with modern, sleek visuals. The color palette is designed to evoke a sense of innovation and sophistication while maintaining a warm, approachable feel.

Color Palette:

• Background: #1A1A2E (Deep Midnight Blue)
• Surface: #16213E (Dark Navy)
• Text: #EAEAEA (Soft White)
• Accent: #FF6F61 (Vibrant Coral)
• Muted: #4E4E50 (Charcoal Gray)

6. Signature Design Concept

The retro-voice homepage will feature an interactive retro terminal aesthetic combined with modern animations.

Key Features:

• Dynamic Typing Animation: The homepage will simulate a retro terminal where the assistant "types" its introduction and key features in real-time.
• Voice-Activated Interaction: Users can speak directly to the homepage, triggering animations and responses.
• Retro-Futuristic Visuals: Neon accents, glowing text, and subtle scan-line effects will create a nostalgic yet cutting-edge vibe.
• Interactive Easter Eggs: Hidden commands (e.g., typing "HELP" or "ABOUT") will reveal playful animations or additional information.
• Seamless Transitions: Smooth, scroll-triggered animations will guide users through the site, mimicking the feel of navigating a futuristic console.

This bold design will make the retro-voice assistant instantly memorable and engaging.

7. Non-Functional Requirements

• Performance: The system should respond to user queries within 1 second for text and 2 seconds for voice inputs.
• Scalability: The system must support up to 10 million concurrent users.
• Localization: The system must support at least 10 Indian languages at launch.
• Security: User data must be encrypted both in transit and at rest.
• Availability: The system must maintain 99.9% uptime.

8. Tech Stack

Frontend:

• React for Web
• React Native for Mobile

Backend:

• Python
• FastAPI

Database:

• MySQL (with Alembic for migrations)

AI Models:

• GPT 5.4 for user-friendly responses
• Claude 4.6 Opas for academic or coding work
• Gemini 3.1 Pro for friendly responses
• Google Nano Banana for image generation

AI Tools:

• Litellm for LLM Routing
• Langchain

Orchestration:

• Docker for local orchestration
• Kubernetes for server-side orchestration

9. Assumptions and Constraints

Assumptions:

• Users will have access to devices with microphones and/or cameras for multi-modal input.
• The system will primarily target users in India but will be scalable for global use.
• Users will create accounts to enable personalization features.

Constraints:

• The system must comply with Indian data protection laws (e.g., PDP Bill).
• The system must operate efficiently on devices with limited processing power.

10. Glossary

• Multi-Modal Input: The ability to interact using voice, text, and images.
• Context Switching: The ability to maintain and switch between different topics during a conversation.
• Personalization: Tailoring responses and features based on user preferences and behavior.
• Retro-Futuristic: A design style that combines nostalgic elements with futuristic aesthetics.