Create app.py

app.py

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+import gradio as gr
+from pydub import AudioSegment
+from scipy.signal import convolve
+import numpy as np
+import tempfile
+
+# Reverb function using convolution with a simple impulse response
+def add_reverb(audio_segment, decay=0.5, delay=200):
+    # Convert AudioSegment to numpy array
+    samples = np.array(audio_segment.get_array_of_samples())
+    
+    # Create a simple reverb impulse response
+    impulse_response = np.zeros(delay * 10)
+    impulse_response[::delay] = decay ** np.arange(len(impulse_response) // delay)
+    
+    # Apply convolution for reverb
+    processed_samples = convolve(samples, impulse_response, mode='full')[:len(samples)]
+    processed_samples = np.int16(processed_samples / np.max(np.abs(processed_samples)) * 32767)
+    
+    # Convert numpy array back to AudioSegment
+    processed_audio = AudioSegment(
+        processed_samples.tobytes(),
+        frame_rate=audio_segment.frame_rate,
+        sample_width=audio_segment.sample_width,
+        channels=audio_segment.channels
+    )
+    return processed_audio
+
+# Wrapper function to apply selected effect
+def apply_effect(audio_file, effect, reverb_decay, reverb_delay):
+    audio = AudioSegment.from_file(audio_file)
+    
+    if effect == "Reverb":
+        audio = add_reverb(audio, decay=reverb_decay, delay=int(reverb_delay))
+    
+    # Save the modified audio to a temporary file
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".wav") as temp_file:
+        audio.export(temp_file.name, format="wav")
+    return temp_file.name
+
+# Gradio Interface
+def build_ui():
+    with gr.Blocks() as demo:
+        gr.Markdown("### Audio Effects with Gradio")
+        
+        with gr.Row():
+            audio_input = gr.Audio(source="upload", type="filepath", label="Upload Audio")
+            audio_output = gr.Audio(label="Processed Audio")
+        
+        with gr.Row():
+            effect = gr.Radio(["Reverb"], label="Choose Effect")
+            reverb_decay = gr.Slider(0.1, 1.0, value=0.5, step=0.1, label="Reverb Decay")
+            reverb_delay = gr.Slider(50, 500, value=200, step=10, label="Reverb Delay (ms)")
+        
+        apply_button = gr.Button("Apply Effect")
+        
+        apply_button.click(
+            fn=apply_effect,
+            inputs=[audio_input, effect, reverb_decay, reverb_delay],
+            outputs=[audio_output]
+        )
+    
+    return demo
+
+# Launch Gradio App
+demo = build_ui()
+demo.launch()