Audio Spectrum Analyzer
NHV Apps Studio / Black Cat Systems
About this app
- Age 10
- Updated Apr 26, 2017
- OS IOS / Android
Editor reviews
A real-time audio spectrum analyzer for measuring, visualizing, and tuning sound. See frequencies with pro-level accuracy and low latency, ideal for musicians, sound engineers, podcasters, car audio, and home theater setup. Simple to use yet powerful, it helps you identify problem frequencies, balance EQ, and optimize your listening environment. Keywords: audio spectrum analyzer, frequency analyzer, sound meter, FFT, room tuning.
Core features:
• Real-time FFT spectrum with peak hold, averaging, and adjustable resolution
• Octave and fractional-octave RTA views for quick EQ and room analysis
• Built-in calibration and reference tone generator for reliable, repeatable results
Screenshots
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How to use:
1. Download and open the app, then grant microphone access so it can analyze incoming audio.
2. Calibrate the microphone (optional) or use the default profile to start measuring immediately.
3. Choose your view: Spectrum, Octave RTA, or Spectrogram, and adjust smoothing or averaging as needed.
4. Play your source audio (music, voice, pink noise) and watch frequencies in real time; use markers and peak hold to spot resonances and target EQ fixes.
5. Save snapshots or recordings and export images or CSV data; use the built-in tone or pink noise generator for room and speaker tuning.