I am attempting to get dB(A) readings from audio recorded from the microphone from AudioKit. I attempt to pass the amplitude tracker into the AKFFTTap object, but it always returns an array of zero...

I will like to measure the sound volume of the surrounding, not too sure if I am doing the right thing. I will like to create a VU meter of a range of 0(quiet) to 120(very noisy). I gotten the Pe...

I am currently making a decibel meter visualizer using JavaScript, HTML and CSS. I have gone through several Web Audio API tutorials, but nothing on there is close to being specific to what I want ...

I have been searching for quite some time now, and I haven't been able to find a way to actually get an SPL/db value from a microphone on Android. The few threads and articles that I have found t...

I have a piece of code that give me the getMaxAmplitude() of the audio from the mic. it works, but the value is surely strange. i need to convert it to decibel. how can i? i've found this formula: ...

I am trying to calculate the loudness level from the microphone on android. I used AudioRecord to get the raw data from the microphone and also did some normalization and calculated the decib...

The Android MediaRecorder has a function .getMaxAmplitude(); which, as the API tells me, "Returns the maximum absolute amplitude that was sampled since the last call to this method." but I can't fi...

I'm trying to obtain a noise level in my iOS app, using AVAudioRecorder. The code I'm using is: [self.recorder updateMeters]; float decibels = [self.recorder averagePowerForChannel:0]; // 16...

I am new to Android and looking to write an app for measuring decibel sound level. The idea is that when a sound reaches a certain level the user gets a alert. That's it. Can anyone help me out wit...

How to calculate decibel from maxAmplitude, I wrote an android application to get maxAmplitude at regular interval, I need to show the o/p to the user in decibels.

The AVAudioRecorder in the iPhone SDK can be used to get the peak and average power for a channel, in decibels. The range is between 0db to 160db. What is the calculation used to convert this into ...