app.py

import streamlit as st
from spleeter.separator import Separator

def split_vocals(input_file):
    separator = Separator('spleeter:2stems')
    separator.separate_to_file(input_file, '')
   
audio_value = st.experimental_audio_input("Record a voice message")

if audio_value:
    with open("user_sing.mp3", "wb") as f:
        f.write(audio_value.getbuffer())

    split_vocals('user_sing.mp3')
    st.audio("user_sing.mp3")