"How to Extract, Clean, and Replace Audio in a Video Using Python Scripts"
In this quick tutorial, I’ll show you how to extract audio from a video, apply noise cancellation, and replace the original audio using Python. I've already written the scripts, and in this video, I'll explain how they work and how you can use them in your own projects.
📌 In this video, you'll learn:
How to extract audio from an MP4 video using ffmpeg.
How to reduce background noise in the audio using noisereduce.
How to replace the original audio in a video with the cleaned audio.
🚀 Scripts used:
extract_audio.py: Extracts audio from a video.
noise_cancelling.py: Cleans up the audio by reducing noise.
replace_audio.py: Replaces the original video audio with the noise-reduced audio.
⚙️ Get the code:
Download all the scripts from my GitHub repository: https://github.com/dalai2/video_editing
📺 Watch live:
Follow me on https://www.twitch.tv/admralnarwhal for more live coding streams!
💡 Useful commands:
Extract audio: python extract_audio.py input_video.mp4 extracted_audio.wav
Noise reduction: python noise_cancelling.py extracted_audio.wav cleaned_audio.wav
Replace audio: python replace_audio.py input_video.mp4 cleaned_audio.wav output_video.mp4
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