Is the returned value correct?

[FaisalJulaidan]

I am running my application on iPhone 6. You said in the documentation that the silence level is -160 so what I did is just add 100 to my value to start from 0.

However i am still getting a higher value from real life. I downloaded an app from the app store that does the same thing, and that app returns a value of around 50 dB while in my app I got about 100 dB?? I just wanna make sure is the value returned accurate and I can rely on it? So I tired a different application to measure noise level on the same phone but still getting unrealistic values but this library compared to other the other application.

[punarinta]

@FaisalJulaidan, if you get values over 0 dB this means your system additionally amplifies the signal. This is usually the case for desktop OS, but may be a feature in the newer versions of mobile ones, I haven't checked that.

At the screenshot I've attached you can see a 100% mark that corresponds to a 0 dB level, it basically defines your maximum. Usually you can adjust or switch overamplification off.

[punarinta]

Here we discussed a similar issue a little bit more in details: #1