Update app.py

app.py

@@ -1,28 +1,43 @@
 import streamlit as st
-from pydub import AudioSegment
-from pydub.playback import _play_with_simpleaudio as play_sound
+import noisereduce as nr
+import soundfile as sf
 import io
+from pydub import AudioSegment
 
 # Define a Streamlit app
-st.title("Audio Speed Reduction App")
+st.title("Audio Processing App")
 
 # Upload the input audio file
 uploaded_audio = st.file_uploader("Upload an audio file", type=["mp3", "wav", "ogg", "flac", "wma", "m4a"])
 
+# Speed factor input
+speed_factor = st.slider("Playback Speed", min_value=0.1, max_value=2.0, step=0.1, value=1.0)
+
 if uploaded_audio is not None:
     audio_bytes = uploaded_audio.read()
 
-    # Convert audio file to AudioSegment
-    audio = AudioSegment.from_file(io.BytesIO(audio_bytes))
+    # Convert audio file to numpy array
+    audio, sample_rate = sf.read(io.BytesIO(audio_bytes))
+
+    # Apply noise reduction
+    st.write("Applying noise reduction...")
+    reduced_audio_data = nr.reduce_noise(y=audio, sr=sample_rate)
+
+    # Create an AudioSegment from the reduced audio data
+    reduced_audio = AudioSegment(
+        reduced_audio_data.tobytes(),
+        frame_rate=sample_rate,
+        sample_width=reduced_audio_data.dtype.itemsize,
+        channels=1
+    )
 
-    # Slow down the audio using the speed_change_ratio
-    st.write("Slowing down audio...")
-    speed_change_ratio = 0.7
-    slowed_audio = audio.speedup(playback_speed=1/speed_change_ratio)
+    # Slow down the audio based on the user's input speed factor
+    st.write(f"Slowing down audio to {speed_factor}x speed...")
+    slowed_audio = reduced_audio.speedup(playback_speed=1/speed_factor)
 
-    # Play the slowed down audio
-    play_sound(slowed_audio)
+    # Provide a link to download the processed audio
+    st.audio(slowed_audio.export(format="wav").read(), format="audio/wav")
 
 # Run the Streamlit app
 if __name__ == "__main__":
-    st.write("Upload an audio file to apply speed reduction.")
+    st.write("Upload an audio file, set the playback speed, and apply noise reduction.")