AudioTool is an audio measurement app providing SPL metering, spectrum analysis, signal generation, and calibration tools for sound engineering and acoustic analysis.

Download AudioTool from Google Play Store on your Android device, then follow installation instructions provided by the store.

Upon first launch, explore main menus, select desired measurement tool, and refer to online manual for detailed guidance.

Key features include real-time spectrum analyzer, RT60 measurements, signal generator, Leq calculations, and mic calibration.

Customize experience by adjusting settings like octave modes, filters, weighting options, and resolution preferences in menu.

Save favorite spectra using Store button, then access them later via Load option showing list of stored spectra.

Share content by exporting data files or screenshots directly from app interface to other apps or cloud storage services.

Access detailed information through specific measurement screens, use pinch-to-zoom, and interactive cursors for precise readings.

App requires microphone permission for sound analysis, manage permissions via device settings under app permissions section.

Check for updates regularly in Google Play Store, keep app updated, and ensure device compatibility for smooth operation.