wav-to-aacs.rb

profile = 'lc'
bitrates = [96, 128, 160]
files = Dir['*.wav']
prog = '~/lib/nero/linux/neroAacEnc'

bitrate_control = ['br', 'cbr']

files.each do |fname|
  bitrates.each do |rate|
    bitrate_control.each do |bc|
      file_front = fname[0...-(File.extname(fname).length)]
      two_pass = bc == 'br' ? "-2pass" : ""
      outfile = file_front + "-#{bc}-#{rate}#{two_pass}-aac.mp4"
      command = "#{prog} -lc -#{bc} #{rate * 1024} #{two_pass} -if #{fname} -of #{outfile}"
      puts command

      `#{command}`
    end
  end
end