🛡️ Acoustic Radar Scanner

Real-time ultrasonic privacy protection system that detects acoustic tracking attempts

SensorAlert is an acoustic monitoring system designed to protect your privacy by detecting ultrasonic signals that might be used for acoustic tracking or surveillance. The system analyzes audio in real-time to identify suspicious patterns in the ultrasonic frequency range (18-22 kHz).

The scanner uses Web Audio API to capture microphone input and performs FFT analysis to detect repeated patterns, ultrasonic chirps and sweeps, high-frequency communication signals, and acoustic beacons. It features continuous monitoring, pattern detection algorithms, live spectrogram visualization, and automated threat assessment.

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Privacy & Security: All audio processing happens locally in your browser with no data transmission, no recordings saved, and transparent open-source algorithms requiring no installation.