acoustic measurement 2025-09-11T05:08:23Z

Rain lashed against my apartment windows like gravel thrown by an angry child, but it was the neighbor's midnight karaoke that made me jam pillows over my ears. At 2:17 AM, I finally snapped – fumbling for my phone with sleep-sand eyes, I discovered a weapon against sonic invaders. This unassuming app transformed my device into a digital vigilante, its microphone suddenly feeling like a stethoscope pressed against the city's chaotic heartbeat.