Used Pulse Echo Sonar Meter for Android?


Pulse Echo Sonar Meter Analysis

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Pulse Echo Sonar Meter is a multimedia application designed for Android devices, allowing users to explore the principles of acoustics through the use of their device's microphone. This app captures audio pulses and detects their echoes, providing a practical demonstration of sound wave behavior. It is especially useful for educational purposes, making it an engaging tool for students and educators alike. Users can visualize results through graphs and maps, enhancing their understanding of sound dynamics.

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The app features a simple interface that makes it accessible to a wide range of users, from beginners to those with more advanced knowledge of acoustics. In addition to basic functionalities, it offers settings to adjust parameters such as volume and frequency of the audio pulses. The ability to view results in a time-series waveform further aids in the analysis of sound properties, making it a versatile tool for anyone interested in the science of sound.

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Used Pulse Echo Sonar Meter for Android?


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Full Specifications

GENERAL
Release
Latest update
Version
1.07
OPERATING SYSTEMS
Platform
Android
Operating System
Android 13.0
POPULARITY
Total Downloads
112
Downloads Last Week
1

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Developer’s Description

Pulse Echo Sonar Meter. Free & No Ads.
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. Free & No Ads.RECORD_AUDIO Permission to use microphone to detect the echo. WRITE_EXTERNAL_STORAGE Permission is so that data can be saved. INTERNET Permission for website link.Features/Specifications: Sampling frequency 44.1 kHz. Sampling duration 0.001 s to 5 s. Single / Continuous modes. Save Data in CSV files. Pulse Generation: Single/Train/Chirp. Square/Sine waveforms. Tukey/Hanning Envelopes. Pulse frequency 20 Hz to 22.05 kHz. Pulse duration up to 1 s. MAP Visualise the echo. Colour or Black and White. Pixel value from RMS or absolute value. New line for each echo trace. Move device whilst pulse-echoing to generate a map. Fast Fourier Transform (FFT) of 8192 data points to determine frequency content between echo detect lines. Peak frequency detection FFT AveragingFor Indication Only. Use Ear Protection if required. Due to the limits of the typical microphone dB range on most devices, distant echo signal are likely to be too weak to detect clearly unless extra amplification or a strong echo is present.For fun/educational/research use. This is not ultrasound and NOT suitable for any medical imaging. This app can create annoying loud sounds, so use ear protection if required.Content rating: Everyone

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