This Software records audio with 44.1 kHz from the built-in microphone of the mobile phone or from an external microphone and visualizes the signal as spectrum. It also contains a Signal generator for sinusoidal or other waveforms.
Note: Tested on Mobile Phones only - might not work on Tablets.
Signal analyzer Features:* variable fft size from 128 to 8192 points* selectable window function (rectangular, Hann, Hamming, Blackman,...)* linear or logarithmic frequency display* display as spectrum or as intensity color plot vs. time* display 1/3 octave spectrum* can be calibrated for sound pressure (requires calibration hardware)* Different weighting functions (A/B/C) and frequency integration ranges with peak hold* Plot integrated/weighted Signals over time
Integrated signal generator Features:* Two independent signal generators - one can be used as modulation source for the other* Sine/Triangle/Saw/Pulse Waveforms* AM/FM/PM/PWM Modulation* Frequency Sweep (linear or logarithmic)
Swept Frequency Analyzer* Sweep Sinusoidal Signal with configurable number of steps, linear or logarithmic* Record amplitude
Report Generator* Store multiple sets of up to 4s of Audio Signal and compare the spectra and the time signals* Store the recorded data on the file storage, as (HTML) Report File and as WAV-File
Open Source: https://github.com/101010b/AudioAnalyzer
VERSION HISTORY
- Version 1.9.2 posted on 2016-03-14
Bugfixes for 1.9.1
Program Details
- Category: System Utilities > System Maintenance
- Publisher: Thomas Buck 101010b
- License: Free
- Price: N/A
- Version: 1.9.2
- Platform: android