Extract subtitles from video and translate them

extract_audio.py

import moviepy.editor as mp

clip = mp.VideoFileClip(r"video.mp4")
clip.audio.write_audiofile(r"converted.wav")

requirements.txt

certifi==2023.7.22
charset-normalizer==3.2.0
decorator==4.4.2
idna==3.4
imageio==2.31.1
imageio-ffmpeg==0.4.8
moviepy==1.0.3
numpy==1.25.1
Pillow==10.0.0
proglog==0.1.10
requests==2.31.0
SpeechRecognition==3.10.0
tqdm==4.65.0
urllib3==2.0.4

Translate-video.md

Put video file with name video.mp4

# create virtual env
python -m venv .venv
source .venv/bin/activate
# install dependencies for extracting audio file from video
pip install -r requirements.txt
python extract_audio.py
# install OpenAi Whisper to extract text and translate on the fly
pip install openai-whisper
whisper converted.wav --language German --task translate

It'll create subtitles files converted.*, just use it in video player.