import os, sys, soundfile as sf, librosa, glob
src = sys.argv[1]; dst = sys.argv[2]
os.makedirs(dst, exist_ok=True)
for f in glob.glob(os.path.join(src, "**", "*.*"), recursive=True):
    if os.path.isdir(f): 
        continue
    try:
        y, sr = librosa.load(f, sr=32000, mono=True)
        out = os.path.join(dst, os.path.splitext(os.path.basename(f))[0] + ".wav")
        sf.write(out, y, 32000)
        print(out)
    except Exception as e:
        print("skip", f, e)