mdin

mdin.sh

#!/usr/bin/env bash
# usage: ./mdin.sh <input-file> <output-file.wav>
sox -G -M \
  -t raw -r 16000 -c 1 -b 16 -e signed -L <(even-bytes < $1 | modem-tx) \
  -t raw -r 16000 -c 1 -b 16 -e signed -L <(odd-bytes < $1 | modem-tx) \
  -t wav -r 44100 $2