chroma with tuning

Change-Id: I47f0321784669f2358eabad0d4d016c1c877c118
added pitches file + actual audio chroma test

Change-Id: I63688e8e5318ba410936539d58b7067b018a1161
better everything

Change-Id: Ic0bd8e0eb603ceb28e4b19ec772abce9edf662ef