Top "Decibel" questions

Calculate Decibel from amplitude - Android media recorder

How to calculate decibel from maxAmplitude, I wrote an android application to get maxAmplitude at regular interval, I need to …

android audio decibel

Decibel Sound Meter for Android

I am new to Android and looking to write an app for measuring decibel sound level. The idea is that …

android audio native decibel

What does Android's getMaxAmplitude() function for the MediaRecorder actually give me?

The Android MediaRecorder has a function .getMaxAmplitude(); which, as the API tells me, "Returns the maximum absolute amplitude that was …

android mediarecorder decibel

From Amplitude or FFT to dB

I've a Python code which performs FFT on a wav file and plot the amplitude vs time / amplitude vs freq …

python signal-processing fft wav decibel

Am I doing the right thing to convert decibel from -120 - 0 to 0 - 120

I will like to measure the sound volume of the surrounding, not too sure if I am doing the right …

iphone ios xcode audio-recording decibel

Android decibel meter

I want to create an app that would be able to use the phone's microphone in order to get the …

android android-sensors decibel

C# How to get Audio Decibel values with time span

how can I get Decibel values of a wav/mp3 file I have every 1 second? using any audio library that …

c# audio timespan decibel

Getting decibel from an Android microphone

I have been searching for quite some time now, and I haven't been able to find a way to actually …

android microphone decibel

Get decibel values whilst recording sound?

Is there a way of getting the decibel value of sound whilst it's being recorded? I'm using MediaRecorder to record …

android audio microphone mediarecorder decibel

iPhone SDK: AVAudioRecorder metering -- how to change peakPowerForChannel from decibel into percentage?

The AVAudioRecorder in the iPhone SDK can be used to get the peak and average power for a channel, in …

iphone core-audio avaudiorecorder decibel