Spectrum Analyser

By: keuwlsoft

Version: 1.43 Updated: March 12, 2024 Android 7.0+ 8.4 147

Download Latest APK 2.08 MB Google Play

Description

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

More Information

Package Name: com.keuwl.spectrumanalyzer

Category: Music & Audio Apps

Update Date: 2024-03-12

Latest Version: 1.43

Available on: Google Play

Requirements: Android 7.0+

Size: 2.08 MB

Google Play: View on Google Play

Previous Versions

Variant	Arch	Android	DPI	Size	Action
N/A	N/A	Android 7.0+	160-640dpi	2.08 MB	Download APK

What's New:

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.

Variant	Arch	Android	DPI	Size	Action
9	N/A	Android 7.0+	160-640dpi	2.7 MB	Download XAPK
9	N/A	Android 7.0+	160-640dpi	2.7 MB	Download XAPK
9	N/A	Android 7.0+	160-640dpi	2.7 MB	Download XAPK

What's New:

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.

Variant	Arch	Android	DPI	Size	Action
8	N/A	Android 4.4+	160-640dpi	1.71 MB	Download XAPK
8	N/A	Android 4.4+	160-640dpi	1.71 MB	Download XAPK
8	N/A	Android 4.4+	160-640dpi	1.7 MB	Download XAPK

What's New:

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 \keuwlsoft\spectrum_analyser sub directory.