Audio Spectrum Analyzer for iOS

Audio Spectrum Analyzer is a utility app that turns your iPhone into a sophisticated audio analysis device. It can display audio frequencies up to 20 kHz and offers a customizable analysis experience with features such as adjustable frequency spans and FFT sizes ranging from 1024 to 8192 bins. Users can visualize the spectrum logarithmically from 10 Hz to 20 kHz, enhancing clarity and detail in audio signal analysis. Filtering options, including averaging, provide smoother results, while the Peak Hold function helps in monitoring transient events by allowing users to adjust the decay rate for better observation.

The app features an intuitive user interface that simplifies navigation and adjustments. Brightness control and grid overlay modifications can be made effortlessly with finger gestures. Additionally, options for various window functions, such as Hanning, Hamming, and Blackman, allow users to tailor their analysis according to specific needs. With these capabilities, Audio Spectrum Analyzer serves as a valuable tool for sound engineers, musicians, and anyone interested in exploring audio frequencies.