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Descriptions :Turn your phone into a spectrum analyzer. Speccy ? is an audio spectrum analysis tool that visualizes the propagation of audio frequencies in the audible (and inaudible) spectrum detected by your device's microphone using Fast Fourier Transformation signal processing.
Properties:
+ Assessment of environmental noise for health and safety
+ Sound testing PA systems and stereos
+ Detection of audio signals that obscures the human ear with noise
+ Test the microphone on your device
+ Comparison of the quality of different headphone brands
+ Test signal generators
+ Voices of musical instruments
Required Android Versions : Ice Cream Sandwich [4.0.3–4.0.4] - Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]
