Teensy audiocontrol class for AD1938 and extension to the AudioInputTDM and AudioOutputTDM class of paul
to receive data in I2S slave class.

1.check out file and copy .cpp and .h in audio folder "C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\Audio" 2. copy the arduiono sketch ctag_face24.ino file in your working directory.