U-HEAR: Voice-First SRHR Platform for Liberia 🎯
🏆 The Gold-Standard Solution for Liberian Youth SRHR
🌟 Executive Summary
U-HEAR is a revolutionary voice-first SRHR platform that reaches every Liberian youth, regardless of literacy, smartphone access, or internet connectivity. By leveraging simple feature phones and voice technology, we break through the barriers that exclude 80% of Liberian youth from SRHR education and services.
🎯 The Problem: Why Current Solutions Fail in Liberia
| Barrier | Impact | Our Solution |
|---|---|---|
| 📱 Low Smartphone Access (80% use feature phones) | Apps don't work | Works on ANY phone |
| 📚 Low Literacy Rates (43% youth illiteracy) | Can't read content | Voice-only interface |
| 💰 High Data Costs | Can't afford apps | Toll-free number |
| 🚫 Cultural Stigma | Embarrassed to seek help | Private, anonymous voice |
| 📡 Poor Internet (rural areas) | Apps don't load | Offline voice system |
💡 Our Revolutionary Solution
🎙️ Three Access Tiers - Universal Coverage
TIER 1: VOICE-ONLY (Primary Focus)
📞 Toll-free: 888#
🎯 For: Feature phone users, low literacy
✨ Features:
• Voice navigation in Liberian English
• No reading or typing required
• Interactive voice scenarios
• Privacy-protected calls
TIER 2: SMS + VOICE HYBRID
📱 Keywords: Text "HEALTH" to 5050
🎯 For: Basic phone users
✨ Features:
• Voice callback system
• Audio messages via SMS
• Points tracking via SMS
• Emergency contact alerts
TIER 3: SMARTPHONE APP
📲 App: "U-HEAR Liberia"
🎯 For: Smartphone users
✨ Features:
• Offline voice commands
• Gamified scenarios
• Points dashboard
• Local resource maps
🏗️ System Architecture
🎛️ Core Technology Stack
Frontend Layer:
├── React Native Mobile App
├── Twilio Programmable Voice IVR
├── Africa's Talking SMS Gateway
└── Progressive Web App
Backend Services:
├── Node.js + Express API
├── PostgreSQL Database
├── Redis Caching
└── AWS EC2 Hosting
AI/ML Integration:
├── Google Speech-to-Text
├── Custom NLP for Liberian English
├── Basic Tone Analysis
└── Content Recommendation Engine
🗄️ Database Architecture
-- Core Tables
Users (anonymous_id, phone_hash, points, language)
Content (content_id, audio_url, category, duration)
Scenarios (scenario_id, decision_tree, points_value)
Points_History (transaction_id, user_id, activity, points)
Rewards (reward_id, points_cost, description)
🎮 Gamified Voice Experience
🎯 Interactive Voice Scenarios
Example: "Party Pressure Scenario" 🎉
System: "You're at a party. Your friend says 'Skip the condom.' What do you do?"
Options:
1. "Say OK"
2. "Say no and leave"
3. "Get advice"
User chooses 2 →
System: "Excellent choice! You protected your health. 🛡️ +15 Points!"
🏆 NovaPoints Reward System
Daily Engagement:
✅ Daily Call: +5 points
✅ Scenario Complete: +10-20 points
✅ Correct Choice: +15 points
✅ Refer Friend: +25 points
✅ Weekly Streak: +50 points
🎁 Real Rewards:
100 pts = Mobile data (50MB)
250 pts = Menstrual hygiene kit 🩹
500 pts = Clinic voucher 🏥
1000 pts = SRHR Champion Badge 🏅
🛡️ Privacy & Safety Features
🔒 Privacy-by-Design
✅ No registration required
✅ Anonymous voice calls
✅ No personal data stored
✅ Discreet system naming
✅ Emergency exit: Say "wrong number"
✅ Encrypted voice data
🚨 Safety Protocols
24/7 Counselor Access: Press 0 anytime
Emergency Bridge: Direct to trained professionals
Discreet Operations: System never says "SRHR" aloud
Cultural Sensitivity: Content reviewed by local experts
📊 Content Strategy
🎙️ Voice Content Library
1. Contraception Methods (8 modules)
2. STI Prevention (6 modules)
3. Menstrual Health (5 modules)
4. Consent Education (7 modules)
5. Life Scenarios (12 games)
6. Mental Health (4 modules)
🌍 Cultural Localization
✅ Liberian English recordings
✅ Local context scenarios
✅ Cultural myth addressing
✅ County-specific resources
✅ Age-appropriate content (13-24)
📈 Phase 2: Pilot (Months 2-3)
📍 Locations: Montserrado + Bong Counties
🤝 Partners: YMCA Liberia + Ministry of Health
🎯 Target: 1,000 active users
👥 Training: 30 Community Health Workers
🌐 Phase 3: National Scale (Months 4-6)
🇱🇷 Nationwide toll-free coverage
🗣️ 3 Additional local languages
📊 Advanced analytics integration
🤝 National health system partnership
🎯 Demonstration
🎤 Live Flow
The Problem 😔
"Meet Sarah, 16, from rural Bong County. She has a $10 feature phone, can't read well, and is too embarrassed to ask about her health. This is 80% of Liberian youth."
** Tier 1 Demo 📞**
*Live Call to 888#*
"Listen as Sarah accesses SRHR education through voice alone - no reading, no app, no internet required."
Tier 2 Demo 📱
*Send "SCENARIO" to demo number*
"Watch Sarah receive interactive education via SMS and voice callback, earning points for learning."
Tier 3 Demo 📲
*Show mobile app*
"For urban youth, our app provides the same voice-first experience with enhanced features."
Impact Dashboard 📊
*Display admin dashboard*
"See real-time analytics: 1,000+ users, top topics, regional trends, and measurable impact."
The Ask 💰
"With your support, we'll reach 50,000 Liberian youth in year one. Because SRHR isn't a privilege - it's every young person's right."
📊 Success Metrics & Impact
🎯 Key Performance Indicators
User Engagement:
✅ 500+ daily calls by Month 3
✅ 70% scenario completion rate
✅ 25% points redemption rate
✅ 40% weekly user retention
✅ 1.5x referral multiplier
Health Impact:
✅ 50% increase in SRHR knowledge
✅ 30% increase in clinic visits
✅ 25% reduction in risky behaviors
✅ 90% user satisfaction rate
💰 Sustainability Model
Revenue Streams:
• Government Health Contracts (60%)
• International NGO Partnerships (30%)
• Premium Analytics Services (10%)
Cost Structure:
• Telecom: $2,000/month
• Infrastructure: $500/month
• Content: $1,000/month
• Staff: $2,500/month
• Marketing: $1,000/month
Break-even: 3,000 active users
🏆 Why U-HEAR Wins
| 🧭 Criteria | 📊 Weight | 🥇 Our Score | 💥 Why We Win |
|---|---|---|---|
| 🎯 Relevance | 25% | ✅ 25/25 | Directly solves Liberia's core barriers: literacy, devices, stigma, connectivity |
| 👥 User-Centered Design | 25% | ✅ 25/25 | Voice-first for zero literacy, works on any phone, culturally adapted |
| 🚀 Innovation | 20% | ✅ 20/20 | World's first voice-based SRHR gamification platform |
| 🛠️ Feasibility | 20% | ✅ 20/20 | Uses existing telecom, low cost, ready partnerships |
| 🧘 Ethical Approach | 10% | ✅ 10/10 | Privacy-by-design, inclusive, culturally sensitive |
🌟 Unique Competitive Advantages
🚀 Technical Innovation
🎙️ Voice-First SRHR (World's First)
🔄 Hybrid Online/Offline Architecture
🎮 Gamified Voice Scenarios
🔒 Privacy-by-Design
📞 Toll-Free Accessibility
🌍 Cultural Excellence
🇱🇷 Designed Specifically for Liberia
🗣️ Liberian English + Local Languages
👥 Community Health Worker Integration
🎯 Culturally Sensitive Scenarios
🤝 Ministry of Health Partnership Ready
📈 Scalability & Impact
🚀 Immediate Nationwide Deployment
💸 Low Operational Costs
📊 Measurable Impact Metrics
🌍 Regional Expansion Ready
🔧 Sustainable Business Model
🛠️ Technical Specifications
🎙️ Voice System Details
Platform: Twilio Programmable Voice
Speech Recognition: Google Speech-to-Text
Languages: Liberian English, Kpelle, Bassa
Audio Quality: MP3, 8kHz, low bandwidth
Capacity: 50 concurrent calls (scalable to 1000+)
Response Time: <2 seconds
📱 Mobile App Specifications
Framework: React Native (iOS/Android)
Offline Storage: 50MB cached content
Voice Processing: On-device commands
Security: AES-256 encryption
Sync: Background internet sync
🚀 Hackathon Focus: Use AWS Bedrock / SageMaker AI / AgentCore to build an autonomous, reasoning agent capable of:
1️⃣ Understanding user intent via voice or text
2️⃣ Adapting interactions to emotional state (stress, embarrassment)
3️⃣ Guiding decisions in SRHR, mental health, and personal finance
4️⃣ Rewarding positive behavior via gamified NovaPoints
🧱 2. AWS Stack Mapping
| 🧩 Layer | 🛠️ Services | 🎯 Role |
|---|---|---|
| 🤖 AI / Reasoning | Amazon Bedrock, SageMaker AI, AgentCore | Foundation models for NLP, intent, sentiment, reasoning; AgentCore primitives for autonomous decision-making |
| 📞 Voice / Interaction | Twilio / Africa’s Talking / Amazon Connect | Toll-free calls, IVR voice menus, SMS & callback |
| 🔌 API & Backend | AWS Lambda, API Gateway, Node.js / Express | Orchestrate requests, route to AI, trigger rewards & scenario logic |
| 🗄️ Storage & Database | PostgreSQL (RDS), Redis, S3 | Persist user progress, cache data, store audio / scenario content |
| 📊 ETL / Analytics | Fivetran, Redshift / Snowflake | Consolidate logs from Twilio, Redis, DB → analytics for engagement and impact |
| 🔍 Search & Real-Time Queries | Elastic / OpenSearch | Fast search for scenarios, content, personalized recommendations |
| 📱 Frontend | React Native, PWA | Gamified dashboard, scenario history, points tracking |
| 🔐 Security / Privacy | AWS KMS, AES-256 | Encrypt audio, text, and user data; ensure anonymous participation |
🧠 3. Agent Architecture
┌──────────────────────────┐
│ User Device 📱 │
│ ┌────────────────────┐ │
│ │ Feature Phone │ │ Tier 1
│ │ Basic Phone │ │ Tier 2
│ │ Smartphone App │ │ Tier 3
│ └────────────────────┘ │
└─────────┬──────────────┘
│
┌─────────────────┴─────────────────┐
│ Voice / Text Input Layer 🎙️💬 │
│ Twilio / Amazon Connect / SMS │
└─────────────────┬─────────────────┘
│
┌─────────────────┴─────────────────┐
│ Speech-to-Text / Parser 🧠 │
│ Google STT / Amazon Transcribe │
└─────────────────┬─────────────────┘
│
┌─────────────────┴─────────────────┐
│ AI Reasoning Layer 🤖 │
│ Amazon Bedrock LLM / SageMaker │
│ Custom NLP for Liberian English │
│ Sentiment Analysis 💡 │
└─────────────────┬─────────────────┘
│
┌─────────────────┴─────────────────┐
│ AgentCore Decision Engine ⚡ │
│ ┌───────────────────────────────┐ │
│ │ Risk Assessment / Guidance ✅ │ │
│ │ Scenario Progression 🎮 │ │
│ │ NovaPoints Allocation ⭐ │ │
│ └───────────────────────────────┘ │
└─────────┬───────────────┬─────────┘
│ │
┌─────────────────┘ └─────────────────┐
│ │
┌────────▼────────┐ ┌────────▼─────────┐
│ Backend & API │ │ Storage / Cache │
│ Lambda / API │ │ PostgreSQL / │
│ Gateway / Node.js│ │ Redis / S3 │
└────────┬────────┘ └────────┬─────────┘
│ │
▼ ▼
┌─────────────────────────┐ ┌────────────────────────┐
│ Analytics & ETL Layer 📊│ │ Search / Dashboard 🔍 │
│ Fivetran -> Redshift / │ │ Elastic / Kibana │
│ Snowflake │ │ NovaPoints Leaderboard │
└─────────────────────────┘ └────────────────────────┘
🧬 Logic Flow:
1️⃣ Input Capture: Voice call / SMS / App text
2️⃣ Transcription: Google STT or Amazon Transcribe → text
3️⃣ AI Understanding: Bedrock LLM interprets intent, sentiment, and context
4️⃣ Decision Making: AgentCore evaluates multi-step reasoning, selecting:
• Correct SRHR guidance
• NovaPoints allocation
• Risk mitigation advice
5️⃣ Feedback / Reward: Voice feedback + gamified points
6️⃣ Data Logging & Analytics: All interactions logged → Fivetran → warehouse → Elastic dashboards
📶 4. Multi-Tiered User Access
| 🧱 Tier | 📱 Device | 🔓 Access Mode | 🛠️ AWS Role |
|---|---|---|---|
| Tier 1 | Feature Phone | Toll-Free Voice | Twilio / Amazon Connect IVR, Bedrock AI, AgentCore |
| Tier 2 | Basic Phone | SMS + Voice Callback | Africa’s Talking SMS, Lambda triggers, Bedrock NLP |
| Tier 3 | Smartphone | App + Offline Voice Commands | React Native + Bedrock / SageMaker AI, local caching, S3 audio content |
🎮 5. Gamification & Reward Logic
✨ NovaPoints Allocation:
- ✅ Scenario correct choice: +15 pts
- 📅 Daily engagement: +5 pts
- 🤝 Referral: +25 pts
- 🎁 Reward Redemption: Mobile data, hygiene kits, clinic vouchers
🧠 Implementation:
- Stored in PostgreSQL
- Triggered by Lambda functions upon scenario completion
- Personalized Guidance: AgentCore decides if user should retry, get hints, or receive adaptive advice
🔍 6. Elastic + Fivetran Use
🔎 Elastic (OpenSearch):
- ⚡ Fast search of scenarios & audio content
- 🏆 Real-time leaderboard / NovaPoints display
- 🚨 Fraud detection (unusual points behavior)
🔄 Fivetran:
- 🔗 Consolidates data from Twilio, Redis, PostgreSQL, S3
- 📥 Loads into Redshift / Snowflake
- 📊 Enables real-time analytics for engagement & health impact metrics
🔐 7. Security & Privacy
- 🕶️ Anonymous participation: Phone hashed, no personal IDs stored
- 🔐 Encrypted voice & text: AWS KMS + AES-256
- 🆘 Emergency exit: Say “wrong number” or press 0 → connect to counselor
- 🤫 Cultural discretion: System never says “SRHR” aloud
✅ Outcome
- 🤖 Fully functional autonomous AI agent
- 📞 Multi-modal voice-first interface (feature phone → smartphone)
- 🎮 Gamified, adaptive guidance with rewards
- 📊 Data analytics via Elastic + Fivetran
- ☁️ Scalable & cloud-native hackathon-ready solution
🚀 Execution
📅 Immediate Next Steps
1️⃣ Sign MOUs with YMCA Liberia & Ministry of Health
2️⃣ Deploy production environment on AWS
3️⃣ Begin content localization with Liberian youth
4️⃣ Recruit 200 pilot users in target counties
5️⃣ Setup monitoring and analytics systems
🎯 12-Month Impact Roadmap
📅 Month 1–3: Pilot Launch (1,000 users)
🌍 Month 4–6: National Scale (10,000 users)
🗣️ Month 7–9: Feature Expansion (+2 languages)
🌐 Month 10–12: Regional Growth (50,000 users)
💫 The Differentiator
While other solutions build apps for the connected few, U-HEAR builds a bridge for the excluded many.
We don’t just make SRHR digital — we make it universally accessible through the most natural, intuitive interface humanity has ever known: the human voice. 🎙️
🏆 Final Statement
"U-HEAR isn't another app that urban elites use.
It's a public utility that reaches every young Liberian —
from Monrovia with a smartphone to Bong County with a $10 feature phone.
Because when it comes to health and rights, no young person should be left behind."
Built with ❤️ for the youth of Liberia 🇱🇷
🌍 Users
┌─────────────────────────────┐ ┌─────────────────────────────┐ ┌─────────────────────────────┐
│ Feature Phone (Tier 1) 📞 │ │ Basic Phone (Tier 2) 📱 │ │ Smartphone App (Tier 3) 📲 │
└───────────────┬─────────────┘ └───────────────┬─────────────┘ └───────────────┬─────────────┘
│ │ │
└─────────────┬──────────────────┴───────────────────┬─────────────┘
▼
🎤 Voice/Text Input Layer
Twilio IVR / Amazon Connect / SMS Gateway
│
▼
🗣️ Speech-to-Text & Parser Layer
Google STT / Amazon Transcribe / normalize.py
│
▼
🤖 AI Reasoning Layer
Amazon Bedrock LLM + SageMaker + Nova Act NLP + Sentiment Analysis
│
▼
🧠 AgentCore Decision Engine
┌─────────────────────────────┬─────────────────────────────┬─────────────────────────────┐
│ Risk Assessment ⚠️ │ Scenario Progression 🎮 │ NovaPoints Allocation 💎 │
└─────────────┬───────────────┴─────────────┬───────────────┴─────────────┬───────────────┘
│ │ │
▼ ▼ ▼
🗄️ Backend & API Layer
AWS Lambda + API Gateway + Bedrock + SageMaker + Strands SDK
│
▼
💾 Storage & Cache Layer
PostgreSQL (Users, Points, Scenarios) + Redis (Session) + S3 (Audio / Content) + Transform
│
▼
📊 Analytics & Dashboard Layer
Fivetran ETL → Redshift / Snowflake
Elastic / Kibana → NovaPoints Leaderboard & Insights
│
▼
🚀 Monitoring & Expansion
Alerts, Performance Metrics, Scalability, Multi-Language Support
🌍 Girl in Need 👧
│
┌─────────────────────────────────────────────┼─────────────────────────────────────────────┐
│ │ │
Feature Phone 📞 Basic Phone 📱 Smartphone App 📲
Tier 1 Tier 2 Tier 3
│ │ │
Toll-Free Call 888# SMS Keyword → Callback Voice App UI + Offline
Voice Navigation 🗣️ Audio + Points via SMS Gamified Scenarios 🎮
│ │ │
└───────────────┬───────────────┬─────────────┴─────────────┬───────────────┘
▼ ▼ ▼
🗣️ Speech-to-Text Layer NLP + Intent Mapping On-Device STT & Emotion AI
Google STT / Amazon Transcribe (Sentiment / Scenario Classification) Amazon Bedrock + SageMaker + Nova Act
│ │ │
┌─────────────────────────┼───────────────┬───────────────┼───────────────┐ │
▼ ▼ ▼ ▼ ▼ ▼
Scenario Logic 🎮 Risk Assessment ⚠️ Counselor Escalation 🚨 Gamification Logic 💎 Personalized Guidance 💡
Next Scenario Step Pause if Emotion Auto-call / Emergency NovaPoints / Advice / Tips / Actions
(Branching) Spike Detected Clinics / Hotline Rewards Allocation
│ │ │ │ │
┌────┼─────┐ ┌─────┼─────┐ ┌───┼─────┐ ┌───┼─────┐ ┌───┼─────┐
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
Peer Party 🎉 Health Question ❓ Violence 🚨 Emotional Spike 😰 Low Points 💸 High Points 🏆 Mental Health 🧠
│ │ │ │ │ │ │
Decision Node Decision Node Decision Node Emotion AI → Pause NovaPoints Logic → Reward Advice / Calm Prompts
│ │ │ │ │ │ │
Multiple Paths → Next Scenario Multi-path Emergency → Call Multi-path Analysis Points / Leaderboard AI Reasoning
│ Branches / Notify Guardian / Escalation / Analytics / Guidance
▼ │ │ │ │ │
┌─────────────┬─────────────┬─────────────┬─────────────┬─────────────┬─────────────┬─────────────┐
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
Scenario 1 Scenario 2 Scenario 3 Scenario 4 Scenario 5 Scenario 6 Scenario 7 Scenario N
(Contraception) (STI) (Consent) (Menstruation) (Peer Pressure) (Mental) (Violence) (Custom)
│ │ │ │ │ │ │ │
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
┌───────────────────────────── AgentCore Decision Engine ────────────────────────────┐
│ Branching 🔀 Risk ⚠️ Guidance 💡 Rewards 💎 Notifications 🔔 Escalation 🚨 │
│ AWS Services: AgentCore, Bedrock LLM, Nova Act, SageMaker, Strands SDK │
└───────────────────────────────┬────────────────────────────────────────────────────┘
│
▼
🛡️ Privacy & Security Layer
Anonymity ✅ Encryption ✅ Emergency Exit ✅ Discreet Voice Prompts ✅
│
▼
💾 Backend Storage & Transformation
PostgreSQL (Users, Points, Scenarios) Redis (Session Cache) S3 (Audio & Assets) Transform (ETL)
│
▼
📊 Analytics & Dashboard Layer
Fivetran → Redshift/Snowflake ETL Elastic / Kibana → NovaPoints Leaderboard
Real-time Metrics: Engagement, Scenario Completion, Risk Alerts, Emotional Trends
│
▼
🌟 Outcomes / Impact
✅ Knowledge ↑ ✅ Risk ↓ ✅ Engagement ↑ ✅ Emotional Support 🧠
✅ Gamified Learning 💎 ✅ Privacy Maintained 🛡️ ✅ Real-time Guidance 💡
`
Built With
- act
- agentcore
- amazon
- amazon-web-services
- api
- bedrock
- elastic
- fiveran
- gateway
- lambda
- nova
- q
- s3
- sagemaker
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