Enable the 6dB pad in the codec for the input signal
Update routing and display code for the Rev. B board.
Disable HP high pass filters because of a silicon bug in the codecs adding more noise.
You can also use your local clone with git send-email.
$ mkdir build $ cd build $ cmake .. $ cmake --build .
$ teensy_loader_cli -v -w --mcu=TEENSY41 teensy_audio.hex