message: Examples: update FreqShifter_FD for revised class name
diff: @@ -42,7 +42,7 @@ AudioSettings_F32 audio_settings(sample_rate_Hz, audio_block_samples);
  //create audio library objects for handling the audio
  Tympan audioHardware(TympanRev::D); //do TympanRev::C or TympanRev::D
  AudioInputI2S_F32 i2s_in(audio_settings); //Digital audio *from* the Tympan AIC.
  -AudioEffectFreqShiftFD_F32 freqShift(audio_settings); //create the frequency-domain processing block
  +AudioEffectFreqShift_FD_F32 freqShift(audio_settings); //Freq domain processing! https://github.com/Tympan/Tympan_Library/blob/master/src/AudioEffectFreqShiftFD_F32.h
  AudioEffectGain_F32 gain1; //Applies digital gain to audio data.
  AudioOutputI2S_F32 i2s_out(audio_settings); //Digital audio out *to* the Tympan AIC.
  