VoxLogix
Industrial Operations & Voice-Assisted Mobile Field Logging Platform
Industrial Operations / Field Logging
VoxLogix
Mobile App (iOS & Android) • React Native / Expo
React Native, Expo, TypeScript, Zustand
Turning Unstructured Plant Notes into Standardized, Traceable Operational Records
Industrial maintenance and plant floor operations require rapid logging under noisy, active conditions. Typing lengthy descriptions on mobile keyboards often leads to sparse records or skipped entries.
- Eliminating manual paper logbooks and illegible handwritten maintenance notes across rotating shifts.
- Enabling fast hands-free voice note capture (`.m4a` audio) with automated speech-to-text transcript generation.
- Enforcing structured validation for equipment condition logs, meter counters, and measurement points.
- Triggering immediate visual field alerts whenever manual counter readings or measurement points deviate outside safe operating limits.
- Ensuring seamless operation in plant zones with intermittent or no network connectivity.
A Voice-Assisted Mobile App with Dedicated Industrial Log Types & Field Feed
Frontail engineered the VoxLogix mobile application using React Native and Expo, establishing a modular logging system designed specifically for industrial plant workers and maintenance supervisors.
Modular 'Choose Log Type' System
Engineered dedicated logging flows for Equipment Logs, Kaizen improvements, Measurement Points, Meter Counters, and Safety Logs.
Integrated Audio Recording & Voice Transcripts
Implemented direct `.m4a` voice recording with embedded audio playback and speech-to-text conversion to capture rich operational context quickly.
Deviation & Out-of-Limit Alerts
Built automated threshold evaluation where counter readings with high deviations (e.g. MC-002 Power Consumption) or out-of-limit measurements (e.g. MP-002 Discharge Pressure) immediately post high-priority alert cards to the Field Feed.
Real-Time Field Feed & Sync Status
Designed a chronological activity stream with module filters (All, Equipment, Kaizen, Measurement) and offline queue status indicators (`• OK Sync`).
Features & Capabilities
Key Product Features Built
Equipment Logging Workflow
Captures equipment issues, operating conditions, maintenance actions, downtime duration, and follow-up tasks.
Voice Audio Recording & Playback
One-tap voice recording (`.m4a`) allowing hands-free field note capture with speech-to-text translation.
Meter Counter & Measurement Points
Manual counter and sensor entry forms with automated deviation checking against baseline thresholds.
Safety & Kaizen Improvement Logs
Structured workflows for incident context, PPE needs, and Kaizen improvement suggestions with action ownership.
Operational Field Feed
Live feed of recent plant logs tagged with severity badges (High Deviation, Out of Limit, Medium, Active).
Offline-Tolerant Sync Status
Local data caching that tracks today's logs, pending uploads, and network synchronization health.
Client-Side Audio Pipeline & State Management with React Native
The mobile architecture emphasizes low-latency audio capture, robust local caching, and reliable background synchronization.
Mobile Interface & Audio Pipeline
Handles microphone permissions, `.m4a` audio encoding, waveform feedback, and bottom-bar voice navigation.
State & Cache Layer
Manages local offline log queues, form state across multi-step logging sheets, and feed pagination.
Backend & Processing API
Receives audio binaries and structured payloads, performs transcription processing, and stores plant activity records.
Key Engineering Challenges & Solutions
Reliable Voice Recording in Industrial Environments
Configured optimized `.m4a` audio compression to ensure lightweight upload payloads while preserving speech fidelity for accurate transcription.
Immediate Visual Feedback for Parameter Deviations
Implemented client-side threshold evaluation that instantly tags submitted measurement records with color-coded severity pills before syncing to the centralized feed.
Technology Breakdown
Technology Stack & Tools
Mobile Framework
- React Native
- Expo
- TypeScript
State & Data Fetching
- Zustand
- React Query
- AsyncStorage
Audio & Media
- Expo Audio (.m4a)
- Speech-to-Text Integration
Backend & API
- Node.js
- REST APIs
- PostgreSQL
Delivered Capabilities & Final Product
Cross-Platform Mobile Application
Production-ready iOS and Android mobile app built with React Native and Expo.
5 Industrial Log Modules
Tailored data entry workflows for Equipment, Kaizen, Measurement Points, Meter Counters, and Safety Logs.
Integrated Voice Engine
Voice recording, audio playback, and transcription pipeline for hands-free documentation.
Real-Time Field Feed & Alert System
Filterable activity stream highlighting out-of-limit deviations and equipment condition changes.
Frontail Capabilities
Related Product Engineering Services
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