End sem 7; week 2 winter session 2025

7th-Semester-Fall-2024/ECOMMS/final-project/sd_test.py

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+import numpy as np
+import sounddevice as sd
+import scipy as sp
+from scipy.io import wavfile
+import matplotlib.pyplot as plt
+
+sample_rate, wav_data = wavfile.read("fm.wav")
+time = len(wav_data)/sample_rate
+
+new_sample_rate = 48E3
+num_samples = int(time*new_sample_rate)
+plt.subplot(211)
+plt.plot(wav_data)
+wav_data = sp.signal.resample(wav_data, num_samples)
+plt.subplot(212)
+plt.plot(wav_data)
+plt.show()
+
+sd.play(wav_data, samplerate=new_sample_rate)
+sd.wait()