from pathlib import Path import subprocess from subprocess import CompletedProcess def cmd(command: str, check=True, capture_output=False) -> CompletedProcess: print(command) if capture_output: ret = subprocess.run(command, shell=True, check=check, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True) else: ret = subprocess.run(command, shell=True, check=check) print(ret.stdout) return ret def to_wav(folder: Path): for file in folder.glob("*.mp3"): # print(file) wav_path = folder / f'{file.stem}.wav' if not wav_path.exists(): command = f"ffmpeg -i {file} -ac 1 -ar 16000 {wav_path}" # print(command) cmd(command) if __name__ == '__main__': to_wav(Path("/Users/jeqin/work/test/audios/short_audios"))