About Spectrum Spectrogram Analyzer
Designed with accuracy and easy of use in mind. 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
Designed with accuracy and easy of use in mind.
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.
Comments and suggestions are welcome.
Previous Versions
Here you can find the changelog of Spectrum Spectrogram Analyzer since it was posted on our website on 2019-09-15 02:30:24.
The latest version is and it was updated on 2026-10-14 08:20:32. See below the changes in each version.
Spectrum Spectrogram Analyzer version
Updated At: 2018-01-10
Changes: First new year update:
* Add more window functions.
* Add 96kHz and 192kHz sampling rate (need device support).
* Fix spectrogram mode graphical bug on Android 8.0, 8.1.
Disclaimer
Official Google Play Link
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