PitchPatrol

Monitor sound like never before — PitchPatrol analyzes frequencies, detects tones, and visualizes noise trends in real time for precise acoustic insight anywhere.

PitchPatrol is a precision audio analysis tool for anyone curious about the hidden layers of sound around them. It captures live audio using Apple’s AVFoundation framework, performs real-time frequency and spectrum analysis, and displays results through a clean interface. You can setup PitchPatrol to log events based on your filter criteria - even in the background.