Update app.py

app.py

@@ -166,6 +166,7 @@ def auto_eq(audio, genre="Pop"):
     }
 
     from scipy.signal import butter, sosfilt
+
     def band_eq(samples, sr, lowcut, highcut, gain):
         sos = butter(10, [lowcut, highcut], btype='band', output='sos', fs=sr)
         filtered = sosfilt(sos, samples)
@@ -225,7 +226,6 @@ def process_audio(audio_file, selected_effects, isolate_vocals, preset_name, exp
         # Load input audio file
         audio = AudioSegment.from_file(audio_file)
         status = "🛠 Applying effects..."
-
         effect_map_real = {
             "Noise Reduction": apply_noise_reduction,
             "Compress Dynamic Range": apply_compression,
@@ -241,13 +241,11 @@ def process_audio(audio_file, selected_effects, isolate_vocals, preset_name, exp
             "Vocal Distortion": lambda x: apply_vocal_distortion(x),
             "Stage Mode": apply_stage_mode
         }
-
         history = [audio]  # For undo functionality
         for effect_name in selected_effects:
             if effect_name in effect_map_real:
                 audio = effect_map_real[effect_name](audio)
                 history.append(audio)
-
         status = "💾 Saving final audio..."
         with tempfile.NamedTemporaryFile(delete=False, suffix=f".{export_format.lower()}") as f:
             if isolate_vocals:
@@ -259,7 +257,6 @@ def process_audio(audio_file, selected_effects, isolate_vocals, preset_name, exp
                 final_audio = audio
             output_path = f.name
             final_audio.export(output_path, format=export_format.lower())
-
         waveform_image = show_waveform(output_path)
         genre = detect_genre(output_path)
         session_log = generate_session_log(audio_file, selected_effects, isolate_vocals, export_format, genre)
@@ -323,7 +320,6 @@ preset_choices = {
     "🎤 R&B Vocal": ["Noise Reduction", "Bass Boost (100-300Hz)", "Treble Boost (2000-4000Hz)"],
     "💃 Soul Vocal": ["Noise Reduction", "Bass Boost (80-200Hz)", "Treble Boost (1500-3500Hz)"],
     "🕺 Funk Groove": ["Bass Boost (80-200Hz)", "Treble Boost (1000-3000Hz)"],
-
     # New presets
     "Studio Master": ["Noise Reduction", "Normalize", "Bass Boost", "Treble Boost", "Limiter"],
     "Podcast Voice": ["Noise Reduction", "Auto Gain", "High Pass Filter (85Hz)"],
@@ -558,7 +554,6 @@ with gr.Blocks(css="""
     </div>
     ''')
     gr.Markdown("### Upload, edit, export — powered by AI!")
-
     # --- Single File Studio Tab ---
     with gr.Tab("🎵 Single File Studio"):
         with gr.Row():
@@ -580,7 +575,6 @@ with gr.Blocks(css="""
         ], outputs=[
             output_audio, waveform_img, session_log_out, genre_out, status_box
         ])
-
     # --- Remix Mode – Stem Splitting + Per-Stem Effects ===
     with gr.Tab("🎛 Remix Mode"):
         with gr.Row():
@@ -595,7 +589,6 @@ with gr.Blocks(css="""
                     gr.File(label="Other")
                 ]
         split_button.click(fn=stem_split, inputs=[input_audio_remix], outputs=stem_outputs)
-
     # --- AI Remastering Tab – Now Fixed & Working ===
     with gr.Tab("🔮 AI Remastering"):
         gr.Interface(
@@ -606,7 +599,6 @@ with gr.Blocks(css="""
             description="Uses noise reduction, vocal isolation, and mastering to enhance old recordings.",
             allow_flagging="never"
         )
-
     # --- Harmonic Saturation / Exciter – Now Included ===
     with gr.Tab("🧬 Harmonic Saturation"):
         gr.Interface(
@@ -621,7 +613,6 @@ with gr.Blocks(css="""
             description="Enhance clarity and presence using saturation styles like Tube or Tape.",
             allow_flagging="never"
         )
-
     # --- Vocal Doubler / Harmonizer – Added Back ===
     with gr.Tab("🎧 Vocal Doubler / Harmonizer"):
         gr.Interface(
@@ -631,7 +622,6 @@ with gr.Blocks(css="""
             title="Add Vocal Doubling / Harmony",
             description="Enhance vocals with doubling or harmony"
         )
-
     # --- Batch Processing – Full Support ===
     with gr.Tab("🔊 Batch Processing"):
         gr.Interface(
@@ -652,7 +642,6 @@ with gr.Blocks(css="""
             flagging_mode="never",
             submit_btn="Process All Files"
         )
-
     # --- Vocal Pitch Correction – Auto-Tune Style ===
     with gr.Tab("🎤 AI Auto-Tune"):
         gr.Interface(
@@ -665,7 +654,6 @@ with gr.Blocks(css="""
             title="AI Auto-Tune",
             description="Correct vocal pitch automatically using AI"
         )
-
     # --- Frequency Spectrum Tab – Real-time Visualizer ===
     with gr.Tab("📊 Frequency Spectrum"):
         gr.Interface(
@@ -673,7 +661,6 @@ with gr.Blocks(css="""
             inputs=gr.Audio(label="Upload Track", type="filepath"),
             outputs=gr.Image(label="Spectrum Analysis")
         )
-
     # --- Loudness Graph Tab – EBU R128 Matching ===
     with gr.Tab("📈 Loudness Graph"):
         gr.Interface(
@@ -686,7 +673,6 @@ with gr.Blocks(css="""
             title="Match Loudness Across Tracks",
             description="Ensure consistent volume using EBU R128 standard"
         )
-
     # --- Save/Load Mix Session (.aiproj) – Added Back ===
     with gr.Tab("📁 Save/Load Project"):
         with gr.Row():
@@ -710,7 +696,6 @@ with gr.Blocks(css="""
                     title="Resume Last Project",
                     description="Load your saved session"
                 )
-
     # --- Prompt-Based Editing Tab – Added Back ===
     with gr.Tab("🧠 Prompt-Based Editing"):
         gr.Interface(
@@ -724,20 +709,18 @@ with gr.Blocks(css="""
             description="Say what you want done and let AI handle it.",
             allow_flagging="never"
         )
-
     # --- Custom EQ Editor ===
     with gr.Tab("🎛 Custom EQ Editor"):
         gr.Interface(
             fn=auto_eq,
             inputs=[
                 gr.Audio(label="Upload Track", type="filepath"),
-                gr.Dropdown(choices=list(auto_eq.__defaults__[0].keys(), label="Genre", value="Pop")
+                gr.Dropdown(choices=list(auto_eq.__defaults__[0].keys()), label="Genre", value="Pop")
             ],
             outputs=gr.Audio(label="EQ-Enhanced Output", type="filepath"),
             title="Custom EQ by Genre",
             description="Apply custom EQ based on genre"
         )
-
     # --- A/B Compare Two Tracks ===
     with gr.Tab("🎯 A/B Compare"):
         gr.Interface(
@@ -754,7 +737,6 @@ with gr.Blocks(css="""
             description="Hear two mixes side-by-side",
             allow_flagging="never"
         )
-
     # --- Loop Playback ===
     with gr.Tab("🔁 Loop Playback"):
         gr.Interface(
@@ -769,7 +751,6 @@ with gr.Blocks(css="""
             title="Repeat a Section",
             description="Useful for editing a specific part"
         )
-
     # --- Share Effect Chain Tab – Now Defined! ===
     with gr.Tab("🔗 Share Effect Chain"):
         gr.Interface(
@@ -779,7 +760,6 @@ with gr.Blocks(css="""
             title="Copy/Paste Effect Chain",
             description="Share your setup via link/code"
         )
-
     with gr.Tab("📥 Load Shared Chain"):
         gr.Interface(
             fn=json.loads,
@@ -788,20 +768,18 @@ with gr.Blocks(css="""
             title="Restore From Shared Chain",
             description="Paste shared effect chain JSON to restore settings"
         )
-
     # --- Keyboard Shortcuts Tab ===
     with gr.Tab("⌨ Keyboard Shortcuts"):
         gr.Markdown("""
-        ### Keyboard Controls  
-        - `Ctrl + Z`: Undo last effect  
-        - `Ctrl + Y`: Redo  
-        - `Spacebar`: Play/Stop playback  
-        - `Ctrl + S`: Save current session  
-        - `Ctrl + O`: Open session  
-        - `Ctrl + C`: Copy effect chain  
-        - `Ctrl + V`: Paste effect chain  
+        ### Keyboard Controls
+        - `Ctrl + Z`: Undo last effect
+        - `Ctrl + Y`: Redo
+        - `Spacebar`: Play/Stop playback
+        - `Ctrl + S`: Save current session
+        - `Ctrl + O`: Open session
+        - `Ctrl + C`: Copy effect chain
+        - `Ctrl + V`: Paste effect chain
         """)
-
     # --- Vocal Formant Correction – Now Defined! ===
     with gr.Tab("🧑‍🎤 Vocal Formant Correction"):
         gr.Interface(
@@ -814,7 +792,6 @@ with gr.Blocks(css="""
             title="Preserve Vocal Quality During Pitch Shift",
             description="Make pitch-shifted vocals sound more human"
         )
-
     # --- Voice Swap / Cloning – New Tab ===
     with gr.Tab("🔁 Voice Swap / Cloning"):
         gr.Interface(
@@ -827,7 +804,6 @@ with gr.Blocks(css="""
             title="Swap Voices Using AI",
             description="Clone or convert voice from one to another"
         )
-
     # --- DAW Template Export – Now Included ===
     with gr.Tab("🎛 DAW Template Export"):
         gr.Interface(
@@ -837,7 +813,6 @@ with gr.Blocks(css="""
             title="Generate Ableton/Live/FLP Template",
             description="Export ready-to-use templates for DAWs"
         )
-
     # --- Export Full Mix ZIP – Added Back ===
     with gr.Tab("📁 Export Full Mix ZIP"):
         gr.Interface(
@@ -852,4 +827,4 @@ with gr.Blocks(css="""
         )
 
 # Launch Gradio App
-demo.launch()
+demo.launch()