Audio Spectrum Analyzer is a powerful real-time audio analysis app.

Full of features yet very simple to use. Sound level meter (db meter a-weighted, noise rating, noise criterion) included.

Feature Highlights:
• Octave Band Real Time Analyzer
• FFT Plot (Fast Fourier Transform)
• Linear and logarithm scales
• Up to 16384 FFT size
• A lot of available window functions
• Tracking for max value
• Max and Min for any selected frequency
• Stunned graphics
• Reliable measurement accuracy with pre-calibrated profiles for 3 device-integrated mics
• Additional precision with integrated support and pre-calibrated profiles for AirPods, AirPods Pro
• Safer measurements using the Airpods Pro noise cancellation feature
• Support for external microphones (wired or via Bluetooth)
• Noise Rating and Noise Criterion support

And many many more...

Terms of Use: https://www.iubenda.com/terms-and-conditions/94359518