[Android] Free: Sound Meter & Noise Detector Pro $0 @ Google Play

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Sound meter PRO is an indispensable tool for your daily life, no matter what you do, where you stay, it is a practical noise detector to help you avoid noise pollution that harms your hearing and affect your rest. Our sound meter PRO app can provide accurate decibel data and show you how the decibel goes.

  • Get noise data more comprehensively and more accurately:
    Minimal, average and maximal decibel
  • Real-time decibel in dial and graph
    Levels of noise
  • Calibrate before use for precise data
  • Review measurement histories

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Comments

  • +3

    I have ears though they detect sound and noise.

    • Exactly. Even though ears don’t give a metered reading, they are certainly the best method of helping you “avoid noise pollution that harms your hearing and affects your rest”.

    • But can you detect when sound and noise is causing you damage?

      The answer is yes

  • +13

    WHAT?

    • +17

      IT MEASURES NOISE LEVEL!

      • lol :D

      • IS MY NOSE LEVEL ?
  • +1

    Cool

  • +11

    "Calibrate before use for precise data"

    Oh yeah, I'll just use my ridiculously expensive reference decibel meter that I just have lying around to do the job this app is designed for. For measuring sound levels, it's essentially a toy. Where it might be useful is helping to determine the source of a particular sound. I used a different app recently to work out if the hum in the office was 50Hz to rule out various equipment. Turns out it was the ducted aircon resonating oddly.

    • +2

      ducted aircon resonating oddly would have been my first guess

      • +6

        I thought it would've been the hot water system reverberating atypically

        • +1

          We had to eliminate one source that was emanating a similar frequency, but only intermittently. Turned out it was the office dog! He's an old thing and snores under the boardroom table for much of the day.

    • +4

      For that purpose I like Spectroid. Nice waterfall plots, always free and without the questionable permissions this one wants.

    • I do have a need to detect source of a sound. Got a beep coming through the walls at 45 second intervals and not sure if it is something connected to solar panels or home alarm system. Something seems low on battery & seem like an alert beep.

      Don't want to tear down the plaster board. Putting ears to wall isn't helping as it does seem to come across a 2sqm zone.

      What was the app you used to find source. I want to place my phone and it to say sound come from direction( left/right/top/bottom)

      PS : eerily when I was walked my neighbourhood few days back, I heard the same beep sound coming as I passed a driveway. Stood there and timed it to 45 seconds.

      • +1

        The app I used was Spectroid. You won't get an app that tells you the direction of the sound as that requires stereo microphones. I don't think I've seen any phones with stereo mics.

        A stud finder may be more useful as it should be able to detect something dense on the other side of the plasterboard (if it's close enough to the plasterboard). The studs are usually 450mm apart. Once you've found the studs, anything outside that spacing might be your source and you can make a more targeted hole in the plasterboard.

        Even if you only make a small hole between the correct pair of studs, you should be able to poke a mirror or small camera into the hole and have a look around.

  • +32

    A free app made in China, wanting location data and has encrypted data says everything a person needs to know about how bad this app is from a security perspective.

    • +12

      you literally posted on a Roborock deal that you bought one.

      Guess where they're based?

      This is hilarious.

    • +13

      Not to mention runs on startup with sleep prevention. Full internet access and access to all your drives and camera.

      I wonder if there's an alt app that only requires microphone and nothing else. Wish it was possible to search or sort apps by permissions.

    • What? The only permission the app asked for initially is the microphone and on Samsung you can limit tgat to foreground use only. I get the storage for saving the optionaly enabled recording but are you actually getting permission request on the phone for all the other stuff?

    • iPhones are made in China by the best developers according to S. Jobs & T. Cook. I trust them more than the Patriot Act that spies the world. Hi Siri, don't spy. "I do not understand that" ;)
      I now installed the best noise app according to https://www.soundly.com/blog/best-decibel-meter-apps & you make more noise than necessary ;)
      Galaxy disables it if not used for longer time & Knox protects much better than iPhones.

    • Why does everyone have these concerns? Our own country tracks us, and that's way more threatening than a foreign country with no interest in you at all.

      • Our own country tracks us, and that's way more threatening than a foreign country with no interest in you at all.

        This tired whatabboutism comes up every time, usually by someone who doesn't follow IT security or even have a background in tech.

        You are correct to assume that you, the random individual, are not the target of value here. You're just a tiny cog in a much larger system used to attack other targets.

        It's not 'more threatening' because your own government isn't backing hacking groups that are repurposing your hardware to launch attacks on companies or resources that people around the world depend on, nor are they trying to worm into nationally critical infrastructure systems.

        It's very much worth pointing out that DDoS attacks are only possible because tens of thousands of devices, usually home or SMB, have been compromised. Generally by people installing dodgy crap on their machines, by buying flawed garbage hardware, or by not patching their hardware. The app in this thread appears to be the first category.

        • The tired whataboutism is from people assuming every free app from China is some spyware application that will support hacking groups in bringing down critical infrastructure.

          Quick install is this app and play around - it wants permission to use your microphone, there strangely hasn't been any outgoing connection at all - even checking for updates seems to not function - only 1 packet after clicking feedback, so far no logging files have been generated, and the only other button I've found asking for permission is the camera - after clicking the camera button.

          The app seems to fall under the useless app category, yet many people including yourself seem to have concluded it's dodgy based on some nobody pointing out the app is from China - which i cannot find any evidence is true.

          Try as hard as i can, i can't find anyway to get any network traffic for this app short or rating or feedback. I've found a request for storage access choosing the save button, but i think I've exhausted every button and cannot find any attempt request for location information or any data as claimed from people above.

  • +5

    I've tried several sound meter apps on my Samsung mobile and they all top out at 90dB regardless of how loud the sound is. It may give the user a false sense of security while they're standing next to a jack hammer and thinking 'only 90dB, it's all fine!'

    • Could possibly be a hardware mic limitation. These apps just read the input from the mic. There isn't much differentiation between each app as your mic hardware is the determining factor.

  • +4

    if you're using the app uncalibrated on an Android, it's basically worthless FWIW.

  • +1

    This is good when you have a baby or small child, sometimes you think something isn't loud, then you measure it with the app and it's actually ear damaging levels

  • +2

    Cicadas are 86db right now

    • +1

      Crack out the Mortein

  • +2

    Free recording of your private chats in exchange for sound measurement??

    • Has no outbound connection until you press the feedback button - hell, the update button even seems to be fake. No files or logging seems to save until you give it folder access.

      Doesn't even seem like it was ever setup for ads - should be a good thing but it doesn't even seem to promote itself enough to a free app trying to get it's brand out. Could just be a hobbyist developer i guess.

      Doesn't record any audio, just data

  • +1

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  • Creepy or Dodgy is an understatement. This app is not just useless as many mentioned previously, it is also a security risk. Hence this is not a deal.

  • +2

    Confirm that the app continues to use the microphone even when it's in the background on Android and even after the phone is put to sleep and awaken

    • So if i forget what i was talking about earlier, i could email the developer for assistance?

      Sounds pretty good.

  • +1

    Sound meter apps are worthless - I've compared phones to handheld meters and they can be off by 10dB. This is like measuring windspeed by licking your finger and holding it up in the air.

    • I got my money's worth - with free Decibel X app on my iPhone - the dial goes to 130dB and I like the graphical live display highlighting the loudest peaks with numbers like 490Hz or 1125Hz

      while it may be off by 10dB I'm happy with the relativity - my home late at night might show as 29dB (rustling leaves or quiet whisper) while a passing noisy bus on the street might show as something like 120dB

      P.S. I have had an actual flicking needle dB meter for decades and I don't use it anymore.

      • That's a great example of how a phone isn't accurate at all. A passing bus should not register at 120DbA unless is also got police sirens or a foghorn on it.

        Decibels use a logarithmic scale, 10dB is a huge difference, so there is no linear 'relativity' comparison unless you're a maths genius and your brain can intuitively process log scales.

        If I ever need to measure sound, I pull outa cheap but dedicated amount meter, I stopped bothering with phone apps years ago when I realised how bad they were.

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