Android Question Play and record stereo audio sound

[Enthousiastic]

Hello , Using as example visualizer and audiostreamer i want to play and record stereo audio sound both Left and Right channels and appear the spectrum in two pannels the the above channes for example LPannel and RPannel . This i want to occur during playing and recording.

Any idea how can i do this please ? If you can with a little code please don't general speaking.

Many thanks Enthousiastic.