3 is a multi-channel signal analyzer and data acquisition tool. It allows users to capture, analyze, and visualize audio and vibration signals. Features include real-time spectrum analysis, waveform display, and export of data in various formats.
Analyzes audio using Fast Fourier Transform to display amplitude vs. frequency graphs. Displays detailed spectral analysis in octaves. Supports iOS microphone or external microphones for accurate measurements.
Connect to Bluetooth speakers for audio playback and voice amplification. Record audio or music and share files. Make announcements or sing using the built-in microphone. No additional equipment required.
Listen to live feeds from , fire, and emergency services. Browse feeds by location or view top feeds. Play audio in the background. Save favorite frequencies. Share streams with others.
