Convert your REW filters (text format) to ACDf format to use with alsa

REW_to_ACDf.py

# Use as python3 REW_to_ACDf.py filter.txt
# where filter.txt is the text exported REW filters
# License GPLv3.0
# Copyright Victor Azizi 2022
import sys
import re

#Header
print("""pcm.!default {
  type plug
  slave {
    pcm "klipsch";
  }
}
pcm.klipsch {
  type ladspa
  path "/usr/lib/ladspa"
  channels 2
  slave {
    pcm "plughw:1,0"
  }
  plugins {""")

pattern = re.compile(r'Filter +[1-9]+: +ON +PK +Fc +([0-9\.]+) Hz +Gain +([\-0-9.]+) +dB +Q +([0-9\.]+)')

with open(sys.argv[1]) as f:
    count = 0
    for line in f.readlines():
        m = pattern.match(line)
        if not m:
            continue
        freq = float(m.group(1))
        gain = float(m.group(2))
        qual = float(m.group(3))
        
        for chan in (0,1):
            print(f"""    {count} {{
      label ACDf
      policy none
      input.bindings.{chan} "Input"
      output.bindings.{chan} "Output"
      input {{ controls [26 1 {gain} {freq} {qual} 1 1]}}
    }}""")
            count = count + 1
print("""  }
}""")