message: TrebleBoost: improve comments
diff: @@ -19,12 +19,12 @@ AudioSettings_F32 audio_settings(sample_rate_Hz, audio_block_samples);
  //create audio library objects for handling the audio
  Tympan myTympan(TympanRev::E,audio_settings); //do TympanRev::D or TympanRev::E
  -AudioInputI2S_F32 i2s_in(audio_settings); //Digital audio in *from* the Teensy Audio Board ADC.
  -AudioFilterBiquad_F32 hp_filt1(audio_settings); //IIR filter doing a highpass filter. Left.
  -AudioFilterBiquad_F32 hp_filt2(audio_settings); //IIR filter doing a highpass filter. Right.
  +AudioInputI2S_F32 i2s_in(audio_settings); //Digital audio *from* the Tympan AIC.
  +AudioFilterBiquad_F32 hp_filt1(audio_settings); //Biquad (IIR) filter doing a highpass filter. Left.
  +AudioFilterBiquad_F32 hp_filt2(audio_settings); //Biquad (IIR) filter doing a highpass filter. Right.
  AudioEffectGain_F32 gain1; //Applies digital gain to audio data. Left.
  AudioEffectGain_F32 gain2; //Applies digital gain to audio data. Right.
  -AudioOutputI2S_F32 i2s_out(audio_settings); //Digital audio out *to* the Teensy Audio Board DAC.
  +AudioOutputI2S_F32 i2s_out(audio_settings); //Digital audio *to* the Tympan AIC. Always list last to minimize latency
  //Make all of the audio connections
  AudioConnection_F32 patchCord1(i2s_in, 0, hp_filt1, 0); //connect the Left input
  