Firefox Add-ons Description - iNatSpectro v3.3.9

Visualise Nature's Sounds on iNaturalist

Transform your iNaturalist experience with instant audio visualization! This extension adds dynamic spectrogram displays beneath audio recordings, helping you see what you're hearing across all types of wildlife sounds.

🎯 Why You'll Love It
Perfect for identifying frog calls, bat echolocation, bird songs, and other natural sounds. Visual context makes audio analysis faster and more accurate, especially in noisy recordings or when distinguishing similar calls.

⚡ Key Features (v3.3.9)
• NEW: Instant loading - Spectrograms appear automatically when you visit observation pages
• FIXED: Smooth zooming - Error-free zoom up to 2000% with progressive high-resolution rendering
• Smart species detection - Auto-selects optimal settings for bats, birds, frogs, insects, cetaceans
• Full spectrum support - Analyzes up to 384 kHz for ultrasonic research
• Interactive controls - 7 adjustable parameters for frequency range, brightness, resolution
• Professional caching - Advanced memory management for smooth performance
• Multiple scales - Logarithmic, linear, and mel (perceptual) frequency displays
• High-resolution rendering - Configurable 50-800 pixels/second quality

🔬 Perfect For
• Citizen scientists and researchers
• Bat, bird, frog, insect call analysis
• Educational demonstrations
• Professional bioacoustic research
• Nature enthusiasts exploring audio observations

🚀 v3.3.9 Improvements
• Enhanced stability - Fixed zoom errors and loading issues
• Better performance - Improved memory management and caching
• Automatic operation - No manual setup required
• Robust error handling - Graceful fallbacks ensure reliable operation

🔒 Privacy First
All processing happens locally in your browser using the Web Audio API. No data collection, no tracking, no external servers. Built specifically for the iNaturalist community.

🎵 How It Works
Simply visit any iNaturalist observation with audio. The extension automatically detects audio files and displays a real-time spectrogram below the player. Click play to see sound patterns unfold, zoom for detailed analysis, and adjust settings for optimal visualization.

Compatible with Firefox 109+ and integrates seamlessly with iNaturalist's interface. Lightweight, fast, and designed by bioacoustics enthusiasts for the nature community.

Transform your audio observations from sound into sight with iNatSpectro v3.3.9!

iNatSpectro v3.3.8 - Firefox Version Notes

What's New in v3.3.8

Enhanced Frequency Analysis

• Mel-Scale Rendering: New perceptual frequency scaling matching human auditory perception
• Three Scaling Modes: Logarithmic, linear, and mel-scale frequency rendering
• Optimized Profiles: Bird and Cetaceans profiles now default to mel-scale

Improvements

• Cross-Platform Compatibility: Enhanced build system for Windows and Linux
• Better Error Handling: More robust file operations
• Documentation: Comprehensive GitHub Pages documentation

Core Features

Professional Bioacoustic Analysis

• Research-Grade Spectrograms: High-resolution frequency visualization
• 6 Species Profiles: General, Bat, Bird, Frog, Insect, Cetaceans with auto-detection
• Ultrasonic Support: Full spectrum analysis up to 384kHz
• Configurable Resolution: 200-800 pixels/second with safeguards

Advanced Controls

• Real-Time Parameters: 7 live controls including frequency range, scale mode, gamma
• Intelligent Zoom: 100%-2000% zoom with smooth pan navigation
• Settings Persistence: User preferences saved per profile

Firefox Optimization

• Manifest V2: Uses webRequest + webRequestBlocking APIs for audio access
• Targeted Activation: Only runs on observation pages (/observations/[id])
• Non-persistent Scripts: Optimized background scripts

Technical Specifications

• Firefox 109+ required for Web Audio API features
• Sample Rate Support: Up to 384kHz preservation
• FFT Analysis: Adaptive sizing (256-4096 samples)
• Color Mapping: Scientific-grade Viridis colormap

Installation & Usage

1. Navigate to iNaturalist observation page with audio
2. Extension auto-detects audio and injects spectrogram interface
3. Species profile automatically selected based on taxonomy
4. High-resolution spectrogram renders for files ≤60 seconds

Privacy & Security

• Local Processing: All analysis in browser using Web Audio API
• No Data Collection: Extension doesn't collect user data
• Required Permissions: webRequest/webRequestBlocking for audio access

Professional bioacoustic analysis integrated with iNaturalist for wildlife research.