app.py

import gradio as gr
from pydub import AudioSegment

def compress_audio(input_audio_path, compression_rate=128):
    """
    Compress an audio file.
    
    Args:
        input_audio_path: Path to the input audio file.
        compression_rate: Desired bitrate for compression (in kbps).
        
    Returns:
        Compressed audio file path.
    """
    try:
        # Load the audio file using pydub
        audio = AudioSegment.from_file(input_audio_path)
        
        # Temporary output path
        output_path = "compressed_audio.mp3"
        
        # Export the compressed audio
        audio.export(output_path, format="mp3", bitrate=f"{compression_rate}k")
        
        return output_path
    except Exception as e:
        return str(e)

# Create the Gradio app
interface = gr.Interface(
    fn=compress_audio,
    inputs=[
        gr.Audio(label="Upload Audio File", type="filepath"),
        gr.Slider(32, 320, step=16, label="Compression Rate (kbps)", value=128),
    ],
    outputs=gr.File(label="Download Compressed Audio"),
    title="Audio Compressor",
    description="Upload an audio file and select the compression rate to reduce the file size.",
    allow_flagging="never",
)

# Launch the app
interface.launch()