message: WDRC_8Band_FIR_full: fix DSL_GHA_Preset1.h
diff: //per-band processing parameters...all compression/expansion is defeated. Just gain is left.
  BTNRH_WDRC::CHA_DSL dsl_fullon = {5, // attack (ms)
  + 50, // release (ms)
  115, // maxdB. calibration at 1kHz? dB SPL for input signal at 0 dBFS. Needs to be tailored to mic, spkrs, and mic gain.
  0, // 0=left, 1=right...ignored
  N_CHAN, // num channels
  {317.1666, 502.9734, 797.6319, 1264.9, 2005.9, 3181.1, 5044.7}, // cross frequencies (Hz)
  + {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}, // compression ratio for low-SPL region (ie, the expander..values should be < 1.0)
  + {45.0, 45.0, 33.0, 32.0, 36.0, 34.0, 36.0, 40.0}, // expansion-end kneepoint. not relevant when there is no expansion or compression.
  + {40.0, 40.0, 40.0, 40.0, 40.0, 40.0, 40.0, 40.0}, // compression-start gain. Tweak these values up until it sounds bad!
  + {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}, // compression ratio. Set to 1.0 to defeat.
  + {50.0, 50.0, 50.0, 50.0, 50.0, 50.0, 50.0, 50.0}, // compression-start kneepoint (input dB SPL). not relevant when there is no compression
  + {200.0,200.0,200.0,200.0,200.0,200.0,200.0,200.0} // limiting threshold (comp ratio 10). set to large value to defeat.
  };
  // Here is the broadband limiter for the full-on gain condition. Only the "bolt" (last value) needs to be iterated.
  