I understand that the upper 4 bits are the bass notes 0-11 and that the lower 4 bits are the mid notes 0-11, but I am getting a number. How do I know what are the bass notes are? Patrick Vlaskovits October 17, 2017 20:30 Those are cumulated notes from C to C (one octave), not absolute note values. Related articles Can I generate a waveform image with Superpowered? I am thinking about using the offline rendering method's low/mid/highWaveform. Is the Analyzer applicable to monophonic tracks only? Or it works for the polyphonic multi tracks as well? I’m planning to build an ios app which will need to do some pitch and tempo detection. Which part of Superpowered should I start with? Comments 0 comments Article is closed for comments.