import os from pydub import AudioSegment path = "command_responses" file_names = os.listdir(path) res_path = "assets\command_responses" for file_name in file_names: m4a_file = file_name wav_filename = os.path.splitext(file_name)[0] + ".wav" track = AudioSegment.from_file(os.path.join(path, m4a_file), format="m4a") file_handle = track.export(os.path.join(res_path, wav_filename), format="wav")