filename = args.filename
target_sr = 16000
sample_rate_hertz, samples = wavfile.read(filename)
number_of_samples = round(
len(samples) * float(target_sr) / sample_rate_hertz)
samples = scipy.signal.resample(samples, number_of_samples)
print(samples[:10])
# [ 8. -6.15779362 8. 17.90166576 8. 0.39760882
# 8. 14.16452768 8. 2.81953318]
with open(filename, "rb") as fileb:
abon = base64.b64encode(fileb.read())
audio_bytes = io.BytesIO(base64.b64decode(abon))
audio = (
AudioSegment.from_raw(
audio_bytes,
sample_width=2,
frame_rate=target_sr,
channels=1,
))#.set_frame_rate(16000)
np_chunk = np.frombuffer(audio.get_array_of_samples(), dtype=np.int16)
print(np_chunk[:10])
# [ 18770 17990 -19036 1 16727 17750 28006 8308 16 0]
print(len(np_chunk)) # 56022
print(len(samples)) #112000