Added float modules for 24 bit precision S/PDIF I/O. They are forked from current code of the "offical" (16 bit 44.1kHz only) Teensy audio library, but extended to 24 bit precision and configurable sample rate.

Author: IDC-Dragon

OpenAudio_ArduinoLibrary.h

@@ -22,7 +22,10 @@
 #include "AudioMultiply_F32.h"
 #include "AudioSettings_F32.h"
 #include "input_i2s_f32.h"
+#include "input_spdif3_F32.h"
+#include "async_input_spdif3_F32.h"
 #include "output_i2s_f32.h"
+#include "output_spdif3_F32.h"
 #include "play_queue_f32.h"
 #include "record_queue_f32.h"
 #include "synth_pinknoise_f32.h"