brew install ffmpeg --with-libvorbis --with-sdl2 --with-theora

apt-get install ffmpeg libavcodec-extra

pip install pydub

from pydub import AudioSegment
def trans_mp3_to_wav(filepath):
    """
    將mp3文件轉(zhuǎn)化為wav格式
    Args:
        filepath (str): 文件路徑
    """
    song = AudioSegment.from_mp3(filepath)
    filename = filepath.split(".")[0]
    song.export(f"{filename}.wav", format="wav")

from pydub import AudioSegment
def trans_mp3_to_any_audio(filepath, audio_type):
    """
    將mp3文件轉(zhuǎn)化為任意音頻文件格式
    Args:
        filepath (str): 文件路徑
        audio_type(str): 文件格式
    """
    song = AudioSegment.from_mp3(filepath)
    filename = filepath.split(".")[0]
    song.export(f"{filename}.{audio_type}", format=f"{audio_type}")

trans_mp3_to_any_audio("Alone.mp3", "ogg")

from pydub import AudioSegment
def trans_any_audio_types(filepath, input_audio_type, output_audio_type):
    """
    將任意音頻文件格式轉(zhuǎn)化為任意音頻文件格式
    Args:
        filepath (str): 文件路徑
        input_audio_type(str): 輸入音頻文件格式
        output_audio_type(str): 輸出音頻文件格式
    """
    song = AudioSegment.from_file(filepath, input_audio_type)
    filename = filepath.split(".")[0]
    song.export(f"{filename}.{output_audio_type}", format=f"{output_audio_type}")

trans_any_audio_types("Alone.ogg", "ogg", "flv")

trans_any_audio_types("Alone.ogg", "ogg", "mp4")

def trans_all_file(files_path, target="mp3"):
    """
    批量轉(zhuǎn)化音頻音樂格式
    Args:
        files_path (str): 文件夾路徑
        target (str, optional): 目標音樂格式. Defaults to "mp3".
    """
    for filepath in os.listdir(files_path):
        # 路徑處理
        modpath = os.path.dirname(os.path.abspath(sys.argv[0]))
        datapath = os.path.join(modpath, files_path + filepath)
        # 分割為文件名字和后綴并載入文件
        input_audio = os.path.splitext(datapath)
        song = AudioSegment.from_file(datapath, input_audio[-1].split(".")[-1])
        # 導出
        song.export(f"{input_audio[0]}.{target}", format=target)

trans_all_file("F:\\push\\20200607\\music\\")