Uses the audio autput to generate sound pulses and then detects the echo on the microphone. The echo signal can be visulised in a map, Fourier transformed or just as the time-series waveform. Great for investigating/demonstrating acoustics principles. RECORD_AUDIO Permission to use microphone to detect the echo. WRITE_EXTERNAL_STORAGE Permission is so that data can be saved.
According to the antivirus report, Pulse Echo Sonar Meter doesn't contain viruses or any kind of malware. The tool was originally developed by keuwlsoft and it is related to the Music & Audio category. Users rated this application 3.7 on Google Play.
Over 100K users downloaded and installed the app and its most recent update was on Mar 12, 2017. Download the free .apk file of Pulse Echo Sonar Meter 1.01 and have a look at users' reviews on Droid Informer. The installation package requires 2 MB on disk.
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