单独的文字音频 + 背景音乐音频合成程序：
from pydub import AudioSegment
for_file = r"D:\个人\疗愈内在小孩.mp3"
for_file = r"D:\个人\发大愿-for.mp3"
for_file = r"D:\个人\拥抱内在回归真我.mp3"
for_file = r"D:\个人\整合阴影认识真我的无限人格.mp3"
# for_file = r"D:\个人\觉察负面情绪收回期待.mp3"
for_file = r"D:\个人\转化成瘾欲望.mp3"
for_file = r"D:\个人\消除日常匮乏感.mp3"
for_file = r"D:\个人\感恩.mp3"
for_file = r"D:\个人\家族链接.mp3"
for_file = r"D:\个人\疗愈伤痛.mp3"
for_file = r"D:\个人\疗愈童年伤痛看见内在小孩.mp3"
background_file = r"D:\个人\催眠-伤感抒情.MP3"
background_file = r"D:\个人\古风舒缓.MP3"
background_file = r"D:\个人\时光不老.MP3"
background_file = r"D:\个人\柔软触感.MP3"
# background_file = r"D:\个人\秋的思念.MP3"
background_file = r"D:\个人\风中的信.MP3"
background_file = r"D:\个人\夜幕星河.MP3"
background_file = r"D:\个人\感恩遇见.MP3"
background_file = r"D:\个人\美丽的秋天.MP3"
background_file = r"D:\个人\疗愈减压.MP3"
background_file = r"D:\个人\亲爱的小孩.MP3"
output_file = r"疗愈童年伤痛看见内在小孩.mp3"
output_file = r"发大愿-冥想练习.mp3"
output_file = r"拥抱内在回归真我-冥想练习.mp3"
output_file = r"整合阴影认识真我无限人格-冥想练习.mp3"
# output_file = r"觉察负面情绪收回期待-冥想练习.mp3"
output_file = r"转化成瘾欲望-冥想练习.mp3"
output_file = r"消除日常匮乏感-冥想练习.mp3"
output_file = r"感恩-冥想练习.mp3"
output_file = r"家族链接-冥想练习.mp3"
output_file = r"疗愈伤痛-冥想练习.mp3"
output_file = r"疗愈童年伤痛看见内在小孩-冥想练习.mp3"
# 加载音频文件
audio = AudioSegment.from_file(for_file)
background = AudioSegment.from_file(background_file)
# 如果背景音频短于主要音频，则重复背景音乐直到达到所需长度
while len(background) < len(audio):
background += background
# 截取背景音频的长度与主音频相同
background = background[:len(audio)]
# 插入3秒静音，使得主音频3秒后开始合并
silence = AudioSegment.silent(duration=3000) # 表示3000毫秒，即3秒的静音
audio = audio + silence # 在背景音前加上静音段
# 降低背景音量，确保主音频更清晰
background_lower = background - 5 # 根据需要调整减少的 dB
# 为背景音乐的最后10秒应用淡出效果
fade_duration = 10000 # 10000毫秒 = 10秒
background_with_fade = background_lower.fade_out(fade_duration)
# 混音两个音频文件（从3秒开始）
output = background_with_fade.overlay(audio, position=3000, gain_during_overlay=0)
# 导出最终合成音频
output.export(output_file, format="mp3")
标签：file,音乐,mp3,background,output,制作,冥想,MP3 From： https://www.cnblogs.com/bonelee/p/18452344