Spectral Audio

Penda Software
1.1

Aug 12, 2015
Update date
Everyone
Android 4.0+
Android OS

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Mengenai Spectral Audio

Audio spectrum analyzer with smoothing, hold, peak, zoom, and gain functions.

Spectral Audio is an audio frequency analyzer that uses your phone/tablet mic input.

Data sampled at 44.1 kHz is used to produce length 2048 FFTs and display

an energy spectral density from 0-22 kHz.

Technical Specs

- Frequency Range 0-22 kHz

- 2048 pt FFT

- Frequency resolution 21.5 Hz

- DC component removed

- Hamming Window

- Sampling Rate 44100 samples/sec

- Sampling Period 46 ms

- Smoothing Function: 5 pt triangular moving average

Features

- Linear and Log amplitude

- Smoothing Function

- Peak Identifier

- Hold function

- Local Zoom function (X 8)

- Selectable Gain - 0, 5, 10, 15 dB

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Maklumat APLIKASI tambahan

Versi Terbaru

1.1

Dimuat naik oleh

Zamba Tagiev

Memerlukan Android

Android 4.0+

Apa yang baru dalam versi terkini 1.1

Last updated on Aug 12, 2015

Attempt to fix issue with menu button crash - Note that this app has no menu function but apparently the menu button would cause a crash on some devices. Couldn't duplicate on my test devices, but redid the code to ignore the button press.

Added Linear Amplitude display. Note that the scale is floating for Linear Amplitude meaning that it adjusts to the signal energy amplitude with each render.

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