About Spectrum Analyser
Audio spectrum analyser for your microphone. 64 up to 8192 frequency divisions (128 to 16384 FFT size). 22 kHz spectrum range (can reduce down to 1 kHz for higher resolution). FFT Windowing (Bartlett, Blackman, Flat Top,...
Audio spectrum analyser for your microphone.
64 up to 8192 frequency divisions (128 to 16384 FFT size).
22 kHz spectrum range (can reduce down to 1 kHz for higher resolution).
FFT Windowing (Bartlett, Blackman, Flat Top, Hanning, Hamming, Tukey, Welch, or none)
Auto-scale or pinch to zoom, drag to pan.
Linear or logarithmic scales.
Peak frequency detection (polynomial fit).
Averaging, Min and Max.
Save CSV data files (uses Write External Storage Permission).
Free or snap to peak cursor.
Octave Bands - Full, half, third, sixth, ninth or twelfth bands.
Weighting – A, C or None (A weighting filters the high and low frequencies according to how the ear perceives sound loudness).
Musical note indicator (green if within 5 cents, orange if within 10 cents).
Auto-scaling microphone input trace.
For best response on slower devices, keep the FFT size low.
More detailed explanation available on website
Previous Versions
Here you can find the changelog of Spectrum Analyser since it was posted on our website on 2014-11-12 16:08:16.
The latest version is and it was updated on 2024-04-22 12:58:05. See below the changes in each version.
Spectrum Analyser version
Updated At: 2024-01-26
Changes: Version 1.42: Updated to use newer code libraries to target newer devices.
If you use the app to save data, the files will now be located in the documents folder, in a keuwlsoftspectrum_analyser sub directory.
Spectrum Analyser version
Updated At: 2024-01-26
Changes: v1.43 Updated to use newer code methods to better target and run reliably on devices in 2024. You can now select between audio source (default, mic or unprocessed) in the Weight/Source sub menu.
Spectrum Analyser version
Updated At: 2021-02-05
Changes: Updated to run better on newer devices. Save file dialog added and save location changed. A few other minor modifications/fixes.
Spectrum Analyser version 1.31
Updated At: 2017-03-12
Changes: Removed unnecessary permissions, added link to privacy policy and made movable to SD card.
Spectrum Analyser version 1.3
Updated At: 2014-12-18
Changes: Octave bands, weighting & documentation with link back to website for more detail (Internet Permission added)
Spectrum Analyser version 1.1
Updated At: 2014-09-12
Changes: Several fixes and updates
Disclaimer
Official Google Play Link
We do not host Spectrum Analyser on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
The Google Play link for Spectrum Analyser is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.
