Update app.py

app.py

@@ -1,8 +1,7 @@
 import streamlit as st
 import numpy as np
-from pydub import AudioSegment
-from pydub.generators import Sine
-import simpleaudio as sa
+import sounddevice as sd
+from scipy import signal
 import time
 
 # Constants
@@ -17,6 +16,8 @@ BLUES_PROGRESSIONS = [
     ['I', 'IV', 'I', 'V', 'IV', 'IV', 'I', 'V', 'IV', 'IV', 'I', 'V'],
 ]
 
+SAMPLE_RATE = 44100
+
 def note_to_freq(note):
     octave = int(note[-1])
     key_index = KEYS.index(note[:-1])
@@ -34,26 +35,22 @@ def get_chord_notes(root, chord_type):
         intervals = [0, 4, 7]
     return [KEYS[(root_index + interval) % len(KEYS)] for interval in intervals]
 
-def create_tone(freq, duration_ms):
-    return Sine(freq).to_audio_segment(duration=duration_ms)
+def create_tone(freq, duration):
+    t = np.linspace(0, duration, int(SAMPLE_RATE * duration), False)
+    return 0.3 * signal.chirp(t, freq, duration, freq, method='linear')
 
 def play_arpeggio(root, chord_type, tempo):
     chord_notes = get_chord_notes(root, chord_type)
-    duration_ms = int(60 / tempo * 250)  # 16th notes
+    duration = 60 / tempo / 4  # 16th notes
     
-    arpeggio = AudioSegment.silent(duration=1)
+    arpeggio = np.array([])
     for note in chord_notes:
         freq = note_to_freq(f"{note}4")
-        tone = create_tone(freq, duration_ms)
-        arpeggio = arpeggio.overlay(tone)
+        tone = create_tone(freq, duration)
+        arpeggio = np.concatenate((arpeggio, tone))
     
-    play_obj = sa.play_buffer(
-        arpeggio.raw_data,
-        num_channels=arpeggio.channels,
-        bytes_per_sample=arpeggio.sample_width,
-        sample_rate=arpeggio.frame_rate
-    )
-    play_obj.wait_done()
+    sd.play(arpeggio, SAMPLE_RATE)
+    sd.wait()
 
 def main():
     st.title("12-Bar Blues Arpeggio Game")