System Requirements Document (SRD) for sonic-app

1. Introduction

The sonic-app is a groundbreaking application designed to empower aspiring musicians and businesses by automating the creation of music and videos based on user-provided lyrics and creative direction. This app enables users to transform their artistic vision into reality with full creative control, allowing them to generate high-quality music and videos for platforms like YouTube and beyond. By combining advanced AI technologies with an intuitive user experience, sonic-app aims to democratize creative production for users in India and globally.

This document outlines the system requirements for sonic-app, ensuring that the application meets the needs of its target audience while maintaining scalability, reliability, and ease of use.

2. System Overview

The sonic-app is a multi-functional platform that allows users to:

• Input lyrics and specify the desired music genre or mood.
• Generate music compositions tailored to their input.
• Create videos that align with the music and lyrics, based on user-defined themes or visual concepts.
• Export the final product for use on platforms like YouTube, enabling users to monetize their creations.

The system leverages cutting-edge AI models for music composition, video generation, and user-friendly interactions. It is designed to cater to two primary user groups:

1. Aspiring musicians looking to bring their creative ideas to life.
2. Businesses seeking to produce marketing content efficiently.

The app prioritizes full creative control, ensuring users can direct every aspect of their projects without predefined constraints.

3. Functional Requirements

• As a User, I should be able to input lyrics into the app.
• As a User, I should be able to specify the music genre or mood for the composition.
• As a User, I should be able to describe the visual theme or concept for the video.
• As a User, I should be able to preview the generated music and video before finalizing.
• As a User, I should be able to edit or refine the generated music and video.
• As a User, I should be able to export the final product in formats suitable for YouTube and other platforms.
• As a User, I should have full creative control over the process without predefined constraints.

4. User Personas

4.1 Aspiring Musicians

• Description: Individuals passionate about music creation who may lack the technical skills or resources to produce professional-quality music and videos.
• Goals: To create unique music and videos that reflect their artistic vision and share them on platforms like YouTube.
• Pain Points: Limited access to professional tools, high production costs, and lack of technical expertise.

4.2 Businesses

• Description: Small to medium-sized businesses looking to create marketing content efficiently and cost-effectively.
• Goals: To produce engaging music and videos for promotional campaigns, advertisements, and brand storytelling.
• Pain Points: High costs of hiring professionals, time constraints, and lack of in-house creative expertise.

5. Visuals Colors and Theme

The visual identity of sonic-app should evoke creativity, empowerment, and professionalism. Below is the unique color palette for the app:

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

This palette creates a modern and inspiring atmosphere, aligning with the app's focus on artistic expression and innovation.

6. Signature Design Concept

The Sonic Canvas: A Dynamic Creative Playground

The homepage of sonic-app will be an immersive, interactive "Sonic Canvas" that visually represents the user's creative journey. Upon entering the app, users will see a dynamic, animated interface where:

• Lyrics Input: A glowing, editable text field appears in the center, resembling a digital notebook. As users type their lyrics, the words animate with subtle ripple effects, as if they are coming to life.
• Music Genre Selection: Surrounding the lyrics field are floating, genre-themed orbs (e.g., Rock, Jazz, Classical, EDM). Hovering over an orb triggers a brief audio snippet and a visual effect (e.g., a guitar riff for Rock, piano keys for Classical).
• Video Theme Selection: Below the lyrics field, an interactive carousel of video themes scrolls horizontally. Each theme is represented by a vibrant, animated thumbnail that previews the style (e.g., a neon cityscape for Synthwave, a serene forest for Acoustic).
• Real-Time Preview: As users make selections, a live preview window on the right dynamically updates, showing a short snippet of the generated music and video.

The transitions between sections will feature smooth animations, such as fading, sliding, and parallax effects. Micro-interactions, like buttons that pulse gently when hovered over, will enhance the user experience. This bold and unforgettable design ensures that users feel inspired and empowered from the moment they enter the app.

7. Non-Functional Requirements

• Performance: The app should generate music and videos within 2-3 minutes of user input.
• Scalability: The system must support up to 10,000 concurrent users during peak hours.
• Availability: Ensure 99.9% uptime to provide a reliable user experience.
• Security: Implement robust encryption for user data and secure APIs to prevent unauthorized access.
• Localization: Support multiple languages, with a focus on English and Hindi for the Indian market.

8. Tech Stack

Frontend

• React for Web
• React Native for Mobile App

Backend

• Python
• FastAPI

Database

• MySQL (preferred for structured data storage)
• Alembic for database migrations

AI Models

• GPT 5.4 for user-friendly responses
• Google Nano Banana for image generation
• Gemini 3.1 Pro for friendly interactions

AI Tools

• Litellm for LLM Routing
• Langchain for workflow orchestration

Orchestration

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

9. Assumptions and Constraints

• Users will have access to stable internet connections to use the app effectively.
• The app will initially target the Indian market, with potential for global expansion.
• The system will prioritize compatibility with YouTube's video and audio format requirements.
• AI models will require periodic updates to maintain accuracy and relevance.

10. Glossary

• AI (Artificial Intelligence): Technology that enables machines to perform tasks that typically require human intelligence.
• LLM (Large Language Model): Advanced AI models designed to understand and generate human-like text.
• Orchestration: The automated arrangement, coordination, and management of software components.
• RDBMS (Relational Database Management System): A database system based on a relational model, such as MySQL.
• VectorDB: A database optimized for storing and querying vector embeddings, often used in AI applications.

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