Audio Test (Tone generator and power measurement)
Fabris Luca Music & Audio Contains ads
Test audio path gain by generating tones and at the same time recording it
- Rating
- 4.1
- 143 ratings
- Downloads
- 60.4K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Aug 9
- 2025 · v2.5.26
Screenshots
About Audio Test (Tone generator and power measurement)
The Test is done at many different frequency so to produce the graph of the audio path response.
The purpose of the Test is to compare the audio path gain of a system composed of an amplifier and loudspeaker but you can test also only a loudspeaker or earphone. The phone generate a list of tones(frequencies), the signal is acquired from the microphone and the relative power is calculated for each frequency. Please note that 0dB is an undetermined value so the measures are relative and not absolute values.
A teacher used this App to do an experiment in his class, he was able to find the speed of sound using a phone and a cardboard tube. Determining the loudest frequencies, then these are the resonance frequencies and will lead to the speed of sound because the length of the tube is related to the wavelength of the resonant frequencies.
The tests are in the internal directory of the App to improve compatibility with Android 10 (Android/data/com.fbrlcu.audiotest)
The purpose of the Test is to compare the audio path gain of a system composed of an amplifier and loudspeaker but you can test also only a loudspeaker or earphone. The phone generate a list of tones(frequencies), the signal is acquired from the microphone and the relative power is calculated for each frequency. Please note that 0dB is an undetermined value so the measures are relative and not absolute values.
A teacher used this App to do an experiment in his class, he was able to find the speed of sound using a phone and a cardboard tube. Determining the loudest frequencies, then these are the resonance frequencies and will lead to the speed of sound because the length of the tube is related to the wavelength of the resonant frequencies.
The tests are in the internal directory of the App to improve compatibility with Android 10 (Android/data/com.fbrlcu.audiotest)
What’s new
Version 2.5.26 · Updated August 9, 2025
minor improvement
User reviews
Very nice app. Gives the user a lot of control. Where is the snapShot stored? Is it possible to export the snapShot?
Useful to check the frequency response of headphones. not sure how precise it really is, but looks good so far.
Great. Just what I needed
Simple and great
Semplice ed utile
Ciao, possiamo metterci in contatto?
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