Audio Spectrum Analyzer icon
Audio Spectrum Analyzer icon

Audio Spectrum Analyzer

Spectrum Spectogram Analyzer was designed with accuracy and easy of use in mind. It can be used for monitoring or measuring environmental sound or noise; help tuning instruments; timing short sound events; and educational purpose.

Audio Spectrum Analyzer screenshot 1
Audio Spectrum Analyzer screenshot 2

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  • Android
  • F-Droid
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AlternativeTo Category

Audio & Music

GitHub repository

  •  404 Stars
  •  33 Forks
  •  4 Open Issues
  •   Updated  
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Audio Spectrum Analyzer was added to AlternativeTo by Paul on and this page was last updated .

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By Darlene Sonalder296 appsUpdated

What is Audio Spectrum Analyzer?

Spectrum Spectogram Analyzer was designed with accuracy and easy of use in mind. It can be used for monitoring or measuring environmental sound or noise; help tuning instruments; timing short sound events; and educational purpose.

Features:

  • No Ads.
  • With log or linear frequency axis.
  • Can label frequency axis using music pitch note.
  • Support all possible sampling rates and almost all recorder sources of your device.
  • Graph with nice grid lines and labels, easy to operate.
  • FFT sample size range from 512 to 8192. Using half-overlapped (adjustable) time window to increase time resolution.
  • Various window functions provided, for different frequency resolution and dynamical range.
  • Peak frequency detection (in unit of Hz and note+cent), with a moderate accuracy (FFT + interpolation).
  • With dB or A-weighting dB (dBA).
  • Can record the audio in wav (PCM) format.
  • Pinch to zoom, drag or swipe to move, long-press to place cursor, double touch to reset zoom.

Notes: May need some knowledge of discrete Fourier transform and spectrum analysis to use it well. The actual accuracy mainly depends on your device. No calibration interface provided.