I have been working on an Audio Extractor, in which you can upload any video and mention a duration to download the audio
It’s simple and basic but it works
Here is the link: https://share.streamlit.io/pavankunchala/audio-extractor-demo/main/audio_app.py
You can check my other projects from here: GitHub - Pavankunchala/Streamlit-Applications: Deep Learning and Computer Vision Applications using Streamlit