安装moviepy模块

pip install moviepy

　

movie_to_mp3.py

#!/usr/bin/env python
#-*- coding:utf-8 -*-
# 提取视频中的音频
# pip install moviepy
from moviepy.editor import AudioFileClip

input_file = "D:/work/project/python/test.mp4"

audio = AudioFileClip(input_file)
audio.write_audiofile("D:/work/project/python/test1.wav") #提取的是无损文件
audio.write_audiofile("D:/work/project/python/test.mp3")  #提取的是有损文件