Android Question dB Spectrum view

[gerredtor]

I search a spectrum digram view to analyse the dB Level line

 

[rboeck]

What's wrong with this library, made for you?!
https://www.b4x.com/android/forum/threads/voice-recording-visualizer.61927/#post-437430

 

[gerredtor]

No not so, e.g. this line: https://play.google.com/store/apps/details?id=coocent.app.tools.soundmeter.noisedetector
oder from this:
https://play.google.com/store/apps/details?id=com.snorelab.app