Use APKPure App
Get Spectrogram old version APK for Android
Renders the spectrogram of the signal recorded by the microphone.
Spectrogram is a … spectrogram viewer which allows time frequency analysis.
-FFT resolution from 32 to 65536
-9 window algorithms to reduce spectrum leakage
-fast pause/resume button
-day or night mode
Note that amplitude value is not displayed because would cannot be accurate without calibration for your device.
Feel free to contribute to the development of the app:
https://bitbucket.org/galmiza/spectrogram-android
What's New in the Latest Version 1.1.1
Last updated on Sep 12, 2017
Corrected audio wave rendering. The time view frame represents the signal sample being processed by FFT. Its duration is given by "frame length".
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Spectrogram
1.1.1 by Galmiza
Sep 12, 2017