python检测音频静音段并添加静音段
#! /usr/bin/env python
# -*- coding: utf-8 -*-#
# -------------------------------------------------------------------------------
# Name: 检测添加静音段时长
# Author: yunhgu
# Date: 2021/11/2 8:53
# Description:
# -------------------------------------------------------------------------------
import logging
import shutil
from pathlib import Path
from time import strftime, localtime, time
from traceback import format_exc
from pydub import AudioSegment
from pydub.silence import detect_silence
from alive_progress import alive_bar
# 日志函数
def log(log_name: str, p_type=""):
journal = logging.getLogger(log_name)
journal.setLevel(level=logging.INFO)
log_file = f"{log_name}{strftime('%Y%m%d%H', localtime(time()))}.log"
format_content = '%(message)s'
if p_type == "time":
format_content = '%(asctime)s - %(levelname)s: %(message)s'
handler = logging.FileHandler(log_file, mode="w", encoding='utf-8')
handler.setLevel(logging.INFO)
formatter = logging.Formatter(format_content)
handler.setFormatter(formatter)
console = logging.StreamHandler()
console.setLevel(logging.ERROR)
console.setFormatter(formatter)
journal.addHandler(handler)
journal.addHandler(console)
return journal
logger = log("检测添加静音段时长")
# 检查路径是否存在以及是否为空
def check_exist(path):
return Path(path).exists() and path != ""
def add_silence(sound, silence_length, output_file):
one_sec_segment = AudioSegment.silent(duration=2100 - silence_length)
final_song = one_sec_segment + sound
final_song.export(output_file, format="wav")
# 检测和添加静音段
def check_and_add(file, qualified_path, unqualified_path):
sound = AudioSegment.from_file(file)
start_end_list = detect_silence(sound, 100, -50, 1)
if len(start_end_list) > 0:
silence_length = start_end_list[0][1] - start_end_list[0][0]
if silence_length < 2000:
output_file = unqualified_path.joinpath(file.name)
add_silence(sound, silence_length, output_file)
logger.info(f"{file}开头静音段时长:{silence_length}ms")
else:
shutil.copy(file, qualified_path)
# 主程序
def main(input_path, output_path):
count = len([file for file in input_path.rglob("*.wav")])
with alive_bar(total=count) as bar:
for file in input_path.rglob("*.wav"):
try:
qualified_path = output_path.joinpath("合格音频")
qualified_path.mkdir(parents=True, exist_ok=True)
unqualified_path = output_path.joinpath("添加静音音频")
unqualified_path.mkdir(parents=True, exist_ok=True)
check_and_add(file, qualified_path, unqualified_path)
except Exception as e:
logger.error(f"{file}运行失败,跳过这个文件。{e}\n{format_exc()}")
finally:
bar()
if __name__ == '__main__':
while True:
print("**** start ****")
input_folder = input("请输入音频文件夹:")
output_folder = input("请输入结果保存文件夹:")
if check_exist(input_folder) and check_exist(output_folder):
try:
main(Path(input_folder), Path(output_folder))
except Exception as ee:
logger.error(f"{format_exc()}:{ee}")
print("**** finished ****")
c = input("请输入q(不区分大小写)退出,按其他任意键继续!!!")
if c.lower() == "q":
break
else:
logger.error("输入的路径不存在,请检查后重新输入!!!")
continue
不论你在什么时候开始,重要的是开始之后就不要停止。
不论你在什么时候结束,重要的是结束之后就不要悔恨。