├── 开始.bat
├── output.aac
├── .gitignore
└── app.py


/开始.bat:
--------------------------------------------------------------------------------
1 | @echo off
2 | 
3 | py310\python.exe app.py
4 | pause


--------------------------------------------------------------------------------
/output.aac:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/v3ucn/Fix-Loudness/HEAD/output.aac


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | *.wav
 2 | *.mp3
 3 | .chroma
 4 | .DS_Store
 5 | .eslintrc.js
 6 | .idea
 7 | .venv
 8 | venv
 9 | .envrc
10 | .direnv
11 | .vs
12 | .vscode
13 | *.bak
14 | *.ipynb
15 | *.log
16 | *pycache*
17 | cert.pem
18 | key.pem
19 | package.json
20 | package-lock.json
21 | Thumbs.db
22 | wandb
23 | *.pt
24 | *.pth
25 | /py310
26 | 
27 | # ignore user docker config and top level links to docker files
28 | /docker-compose.yaml
29 | /docker-compose.yml
30 | /Dockerfile
31 | .env
32 | 
33 | 


--------------------------------------------------------------------------------
/app.py:
--------------------------------------------------------------------------------
 1 | 
 2 | import gradio as gr
 3 | import os,io
 4 | 
 5 | import soundfile as sf
 6 | import pyloudnorm as pyln
 7 | 
 8 | 
 9 | import subprocess
10 | import json
11 | 
12 | 
13 | 
14 | 
15 | def normalize_video_volume(video_file,loud):
16 |     # 分析视频的平均音量
17 |     # avg_volume = analyze_video_volume(video_file)
18 | 
19 |     # print(avg_volume)
20 | 
21 |     avg_volume = float(loud)
22 | 
23 |     # 使用EBU R128标准校正音频
24 |     cmd = ['ffmpeg','-y','-i', video_file, '-af', f'loudnorm=I={avg_volume}:TP=-2:LRA=11','-c:v', 'copy', '-c:a', 'aac', "./output.aac"]
25 | 
26 |     subprocess.call(cmd)
27 | 
28 |     return "./output.aac"
29 | 
30 | 
31 | def reference(input,top,loud):
32 | 
33 |     # 加载音频文件
34 |     data, rate = sf.read(input)
35 | 
36 |     # 峰值归一化至 -1 dB
37 |     peak_normalized_audio = pyln.normalize.peak(data, float(top))
38 | 
39 |     # 测量响度
40 |     meter = pyln.Meter(rate)
41 |     loudness = meter.integrated_loudness(data)
42 | 
43 |     # 响度归一化至 -12 dB LUFS
44 |     loudness_normalized_audio = pyln.normalize.loudness(data, loudness, float(loud))
45 | 
46 |     sf.write("./normalized_audio.wav", loudness_normalized_audio, rate)
47 | 
48 |     return "./normalized_audio.wav"
49 | 
50 | 
51 | 
52 | 
53 | def main():
54 |     with gr.Blocks() as demo:
55 |         gr.Markdown('# 音频响度统一 WebUI\n\n')
56 |         with gr.Group():
57 |             
58 |             a_aud = gr.Audio(label="待处理音频", type="filepath")
59 | 
60 |             # top = gr.Textbox(label="峰值归一化",value="-1.0")
61 | 
62 |             loud = gr.Textbox(label="响度归一控制，LUFS的读数是负数，例如-5 LUFS，-10 LUFS，-13 LUFS等，数值越接近0，平均响度水平越高。",value="-5.0")
63 | 
64 |         
65 |         btn = gr.Button('开始处理', variant='primary')
66 | 
67 |         aud = gr.Audio(label="处理结果",show_download_button=True)
68 | 
69 |         btn.click(normalize_video_volume, inputs=[a_aud,loud], outputs=[aud])
70 | 
71 | 
72 |         gr.Markdown('WebUI by [刘悦的技术博客](https://space.bilibili.com/3031494).')
73 | 
74 | 
75 |     demo.queue().launch(inbrowser=True,server_name="0.0.0.0",)
76 | 
77 | if __name__ == "__main__":
78 |     main()
79 | 


--------------------------------------------------------------------------------