soxmasterhouse fft maximizer

process

# 
# bashmasteraudio configuration file 
#
# probably only I and god know what these params are for.
# but at least you now know somebody actually used this tool :D

# fftdelaycompensation 
# formula = (window_size+2*hopsize)/sr (got this from csound forum)
FFTSIZE=2048;                       # 128,512,1024,2048 or 4096 
(( HOPSIZE = (FFTSIZE/4) ))   # calculate overlap/hopsize
SHIFT_SAMPLES="$( echo "($FFTSIZE+(2*$HOPSIZE))" | bc )s"
FFT_GAIN=-5                    # volume of transientsmear of side
INPUTGAIN_MID=+13                    # boost mid (will be limited by 0)
INPUTGAIN_SIDE=-14
SIDE_KICK_FREQ=90                   # boost sub in side (I know this is not done)
SIDE_KICK_GAIN=10                   # boost sub in side (I know this is not done)
SIDE_BITCRUSH=27838

[[ -f /usr/lib/ladspa ]] && export LADSPA_PATH="/usr/lib/ladspa"
[[ ! -f /usr/lib/ladspa/csladspa.so ]] && echo "please install csladspa (csound)"
ln -fs /usr/lib/ladspa/csladspa.so maximizefft/csound/.

process_pre(){
  input="$1"; output="$2"; echo "preprocessing"
  GAINL="2.5" ../lib/balanceLR "$input" "$output"
}

process_mid(){
  input="$1"; output="$2"; echo "processing mid of M/S"
  # aplay "$input" -d 2s # uncomment this to preview the dry mid-channel
  sox "$input" "$output" gain $INPUTGAIN_MID gain -l 0 norm && cp "$output" "$input"
}

process_side(){
  input="$1"; output="$2"; echo "processing side of M/S"
  #aplay "$input" -d 1s # uncomment this to preview the dry mid-channel
  # add boost in high *and* low (I know this is not done)
  sox "$input" "$output" treble +10 equalizer $SIDE_KICK_FREQ 0.8 $SIDE_KICK_GAIN && mv "$output" "$input"
  # add decimator limiter
  sox "$input" "$output" gain $INPUTGAIN_SIDE gain -l 0 ; cp "$output" "$input"
}

process_post(){
  input="$1"; output="$2"; echo "post processing "
#  sox "$input" -c 1 "$output"
  # smear transients (bass)
  sox "$input" "$output" norm gain -20
  lame -b 10 "$output" "$output.mp3"
  lame --decode "$output.mp3" "$output.low.wav"
  play "$output.low.wav" gain -10

  # delay compensation + mix
#  sox "$output.fft.wav" "$output.fft.compensate.wav" trim $SHIFT_SAMPLES 

  #sox -m "$input" "$output.fft.compensate.wav" "$output"
  return 0
}