FFTX

🎵 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.