How to retain the audio of the vidoes?

[purnimakumarr]

Hi, I'm using the pre-trained SRGAN model to enhance some videos. The vidoes I'm putting as input also contains audio. But I'm loosing the audio in the output videos. Can anyone suggest how I can retain the audio?

[HectorPulido]

Using moviepy:
With this code, you can extract the audio from the input video

    video = VideoFileClip(video_path)
    video.audio.write_audiofile(mp3_path)

Then add the audio to your output video with this other code

from moviepy.editor import *

videoclip = VideoFileClip(new_video_path)
audioclip = AudioFileClip(mp3_path)

new_audioclip = CompositeAudioClip([audioclip])
videoclip.audio = new_audioclip
videoclip.write_videofile(new_video_path_with_audio)