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Spectrum Analyser icon

1.43 by keuwlsoft


Jan 30, 2024

About Spectrum Analyser

English

Audio spectrum analyser for your microphone.

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

What's New in the Latest Version 1.43

Last updated on Jan 30, 2024

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.

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Additional APP Information

Latest Version

Request Spectrum Analyser Update 1.43

Uploaded by

Harsh Rajput Harsh Rajput

Requires Android

Android 7.0+

Available on

Get Spectrum Analyser on Google Play

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Spectrum Analyser Screenshots

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