137 Bands

Three independent bands

         bands  Octaves

Low 37 2.25 46.2493 to 220.00
Mid 48 3 220 to 1760.00
High 52 3.25 1760 to 16744.04

Total 137 8.5

104 Band, packed audio samples

Implemented continuous block processing into two circular audio sample buffers.

Two frequency ranges are processed.
The low frequency range is down sampled from 44100 Hz input stream.
The high frequency range is direct sampled from 44100 Hz input stream.

Dual Button PCB

This release was used on the high density 2LED per Band solution.

The wide t-button Rev 2.0 PCB was used.

First optimized version. 60 Bands, 44100 Hz

Update VisualEar.ino

Updated header