RTA Audio Analyzer

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4.62K reviews
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About this app

Turn your Android phone into a professional audio analyser. Supports one, 1/2 and 1/3 octave filter and calibration. Displays overall Peak and RMS value for acoustical measurements.

Measure the frequency response of your audio equipment, identify tones and noises.

Bugs etc: info@radonsoft.net
Updated on
Oct 28, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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4.62K reviews
Robert Zinda
July 17, 2021
Out of all the RTA (well not really but) apps available this is the only one that can come close to displaying what is being played but the levels needed to calibrate speakers is far beyond any phone mic's capabilities. It's just recording distortion + limited frequency response at high and low extremes make these apps worthless for any real use in the audio world. Others can't plot points even close to a real RTA at any level. None can be used for the intended purpose your results will be awful
41 people found this review helpful
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P. Ercolator
August 21, 2022
Somehow I became a beta tester. I don't mind, but? Well I bought the original RTA, now it's the beta RTA. I don't understand. When I click on your website it's gone. Even the pro beta version suggests I get your noise generator, which only works with Android9 and under. If only there was a way to use an external mic for calibration and use! Hey guess what, 13 almost here. So there's your beta testing for you lose the suggestion to download your NG ! Option two make NG compatible with 9 and up !
3 people found this review helpful
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Mohamad Haniff Fadzil
March 29, 2023
This apps ok great for RTA analyzer..the only thing that i think is this apps will better if we can load the calibration file for the calibrated microphone.
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What's new

Compatibility to Android 9 and 10 with support of 64 bit. Total rework of internal engine with greatly enhanced accuracy.