? FFTX - Fast Fourier Transform Spectrum Analyzer

Transform your device into a professional audio analysis tool!

FFTX is a powerful, real-time spectrum analyzer that visualizes audio frequencies using advanced Fast Fourier Transform algorithms. Perfect for musicians, audio engineers, educators, and anyone curious about sound!

? KEY FEATURES:

? Multiple Visualization Modes • Bars Mode - Classic frequency spectrum bars
• Wave Mode - Continuous waveform display • Circular Mode - Stunning radial frequency visualization
• Spectrogram - Time-frequency waterfall display

?️ Professional Audio Tools • Real-time Pitch Detection - Identify musical notes instantly
• Harmonic Analysis - Find fundamental frequencies and harmonics
• Frequency Filtering - Adjustable low-pass and high-pass filters
• Audio Recording - Record and playback for comparison
• Data Export - Export analysis data in JSON format

? PERFECT FOR: • Musicians - Tune instruments and analyze musical performances
• Audio Engineers - Identify frequency issues and optimize sound
• Educators - Teach acoustics and sound physics
• Troubleshooting - Find annoying electronic whines and noise sources
• Sound Enthusiasts - Explore the frequency spectrum of everyday sounds

✨ ADVANCED FEATURES: • High-precision FFT analysis (2048-point)
• Customizable frequency range filtering (20Hz - 20kHz)
• Musical note identification with cent deviation
• Real-time amplitude and peak level monitoring
• Responsive design optimized for all screen sizes
• Professional-grade audio processing pipeline

? BEAUTIFUL INTERFACE: • Modern, intuitive design with glassmorphism effects
• Smooth animations and responsive controls
• Dark theme optimized for professional use
• Mobile-friendly touch interface

? TECHNICAL SPECIFICATIONS: • Sample Rate: Up to 48kHz
• Frequency Resolution: ~23Hz per bin
• Dynamic Range: Professional audio quality
• Latency: Ultra-low for real-time analysis
• Compatibility: Works with built-in microphone or external audio interfaces

? EASY TO USE:

1. 1.
Grant microphone permission
2. 2.
Tap "Start Analysis"
3. 3.
Make sounds, play music, or speak
4. 4.
Watch frequencies come alive in real-time!
5. 5.
Switch between visualization modes
6. 6.
Use advanced tools for detailed analysis
? EDUCATIONAL VALUE: Perfect for understanding:
• How different instruments create unique frequency signatures
• The relationship between pitch and frequency
• Harmonic content in musical sounds
• Acoustic properties of environments
• Digital signal processing concepts

? PRIVACY & PERMISSIONS: • Microphone access required for audio analysis
• No audio data is stored or transmitted
• All processing happens locally on your device
• No internet connection required for core functionality

Whether you're a professional audio engineer, music student, or simply curious about the science of sound, FFTX provides the tools you need to explore and understand the frequency spectrum around you.