submitted 2 weeks ago by klu9@lemmy.ca to c/askandroid@lemdro.id

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I have a problem with noisy neighbours and want an app to measure and record the volume of their noise for possible legal action.

I prefer free-libre from F-Droid, but they don't have one.

Google Play has... hundreds of apps (one at US$100!). No idea which to choose, hopefully a free one without ads and data surveillance.

Web search results filled with sites I don't know/trust, and obvious SEO or AI slop.

So I'm asking folks here: anyone have any experience of a decibel meter app that's:

preferably free-libre
free-gratis (I might pay for a reasonably-priced pro version after I've tried out the free one)
zero or tolerable ads
zero or minial data surveillance

Thanks.

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[-] olebla@feddit.org 2 points 2 weeks ago* (last edited 2 weeks ago)

Try phyphox, its made by the german RWTH Aachen University under GPL. https://f-droid.org/packages/de.rwth_aachen.phyphox

[-] klu9@lemmy.ca 1 points 2 weeks ago

Thanks. I’ve installed it and looking at it now.

The experiment I need would be… Acoustic Amplitude, right?

And the steps would be? (sorry, I’m not very scientific)

“Calibrate” tab > “Calibrate”: do this when there is no/little noise?
“Calibrate” tab > “Offset”: no idea what to do here.
“Amplitude” tab > when there is noise I want to measure, press the play button?
“Amplitude” tab > after a bit, press the pause button?
Then, other? 3-dot menu > “Export data” or “Share screenshot”?

this post was submitted on 04 Jun 2025

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