Script to encode the Anthem digital soundtrack to AAC for iTunes etc. Can be readily adapted to other WAV albums.

encode-anthem-st.py

#!/usr/bin/env python3

# Get 'fdkaac' from https://github.com/nu774/fdkaac (or Homebrew etc.)

import glob
import subprocess
import sys
import os

def convert_file(filename, trackcount):
    base, ext = os.path.splitext(filename)
    outfile = f'{base}.m4a'

    track, title = base.split('-', 1)

    print(f'Converting track {track} ({title})', file=sys.stderr)
    subprocess.run(['fdkaac', '-o', outfile,
                    '-m', '5', '--moov-before-mdat',
                    '--artist', 'Sarah Schachner',
                    '--album-artist', 'Sarah Schachner',
                    '--album', 'Anthem (Original Soundtrack)',
                    '--title', title,
                    '--genre', 'Soundtracks',
                    '--date', '2019',
                    '--composer', 'Sarah Schachner',
                    '--track', f'{track}/{trackcount}',
                    '--disk', '1/1',
                    filename])
    subprocess.run(['mp4art', '--add', 'Anthem-AlbumArt-1000x1000.jpg', '-z',
                    outfile])

files = tuple(glob.glob('*.wav'))
trackcount = len(files)

for filename in files:
    convert_file(filename, trackcount)