message: Whitenoise: try to remove AudioStream
diff: #ifndef synth_whitenoise_f32_h_
  #define synth_whitenoise_f32_h_
  #include "Arduino.h"
  -#include "AudioStream.h"
  +//#include "AudioStream.h" //2020-04-11 Tring to remove dependence upon AudioStream, especially Aud
  #include "AudioStream_F32.h"
  #include "utility/dspinst.h"
  #include "AudioConvert_F32.h" //for convert_i16_to_f32
  